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TREASURE VALLEY PESTICIDE PRE-CERTIFICATION TRAINING
All Crops Treasure Valley, Treasure Valley - Idaho
Posted on: November 1, 2024 by Jemila Chellappa
Prepare for Your Idaho Pesticide License Exam!
Join us in person on November 8 from 8:00 am to noon at the University of Idaho Research and Extension Center for a comprehensive training program designed to help you and your team get ready for the Idaho State Department of Agriculture (ISDA) pesticide exams.
Date/Time: Friday, November 8, 8:00am - Noon
Location: UI Caldwell R & E Classroom 1904 E. Chicago St., Caldwell
Register: Call UI Extension, Canyon County 208-459-6003
What is included:
- Education on Idaho State pesticide regulations
- Training on how to effectively read and interpret pesticide labels
- Review exam preparation strategies
- Exclusive access to online practice modules and exams!
Cost: $15.00 per participant https://bit.ly/24PesTraining
This training provides an interactive way to engage with study materials, gain critical knowledge, and benefit from examples and discussions that reinforce key concepts. There will be plenty of opportunities for review and Q&A.
Special Offer:
Get free access to our online course, which includes additional resources and practice exams to help you prepare at your own pace!
Questions? Contact
canyon@uidaho.edu / 208-459-6003
The University of Idaho has a policy of nondiscrimination on the basis of race, color, religion, national origin, sex, age, sexual orientation, gender identity/expression, disability, genetic information, or status as any protected veteran or military status. Persons with disabilities who require alternative means for communication or program information or reasonable accommodations need to contact University of Idaho Extension Canyon County one (1) week prior at 501 Main St., Caldwell, 208-459-6003 or canyon@uidaho.edu.
Pesticide Applicator Recertification Seminar
All Crops All Locations
Posted on: November 1, 2024 by Jeff Miller
The University of Idaho is hosting the Pesticide Applicator Recertification Seminar on December 4 in Burley (Burley Best Western) and on December 5 in Twin Falls (Herrett Center, CSI).
Morning session: registration begins at 7:45 and the program runs from 8:30 to 12:00 pm (3 credits).
Afternoon session: registration at 12:30 and the program runs from 1:00 to 4:30 pm (3 credits).
The cost to attend is $35 (cash, card, or check) whether you attend the whole or half day.
Contact Linsy at the Jerome Extension office (208-324-7578, lin...@uidaho.edu) to RSVP.
Topics include:
Management of Russian Olive
Managing vole infestations in agriculture
Pesticide safety: Best practices for applicators
Environmental impacts of pesticides
Impacts of pesticide overuse
Beneficial insects for pest management
Manure and weed seeds
Pasture and range plants that endanger livestock
ISDA pesticide applicator program updates
Top applicator violations in Idaho
Tricounty/Cassia County weed control programs
Increasing efficiency of applications and reducing overapplication
2024 Idaho Association of Plant Protection Annual Meeting
All Crops All Locations
Posted on: October 11, 2024 by Jeff Miller
All are invited to the 2024 annual meeting of the Idaho Association of Plant Protection November 6-7 at the Herrett Center in Twin Falls! The cost to attend is $30 ($20 for students). Wed. credits = 2 ISDA, 4 CCA IPM. Thurs. credits = 2 ISDA, 3.5 CCA IPM. The agenda is attached and more information can be found at: https://millerresearch.com/event/2024-idaho-association-of-plant-protection/
» https://millerresearch.com/event/2024-idaho-association-of-plant-protection/
INTEGRATED CROP-LIVESTOCK SYSTEM (ICLS) FIELD DAY
All Crops Treasure Valley, Treasure Valley - Idaho
Posted on: September 17, 2024 by Jemila Chellappa
WHEN | Thursday, Sep. 19, 2024, 9 a.m. – 1 p.m. MDT |
---|---|
WHERE | McIntyre Farms 17708 Lewis Lane Caldwell, ID |
THERE IS NO COST TO ATTEND BUT REGISTRATION IS REQUESTED
Call the Canyon County Extension Office
at 208-459-6003 to secure your spot!
final report of the 2024 potato psyllid / Lso monitoring season.
Potato All Locations
potato psyllid
Posted on: September 12, 2024 by Tasha Stanzak
This is the
final report of the 2024 potato psyllid / Lso monitoring season.
One psyllid
from last week’s samples tested positive for Lso, the bacterium associated with
zebra chip disease (ZC).
About 4% of all
psyllids tested positive for Lso this year compared to about 6% last year and around
1% in most recent years (with the exception of 2022 in which 22% were positive).
It was another
interesting year with moderately high Lso incidence, but relatively low overall
psyllid captures. Captures were only slightly higher than last year. Thus, the
risk of ZC likely was mitigated somewhat by low psyllid captures despite
relatively high Lso.
Please remember
that our research with Russet Burbank shows that ZC can develop during storage
if infection occurs as late as two weeks before vine kill. Please maintain your
IPM programs, especially in areas with higher captures of Lso-positive
psyllids.
Thanks again to
all of our cooperators who helped to deploy and retrieve so very many yellow
sticky traps! And thanks to the growers who let us use their fields for this
work!
More information on management can be
found here:
Management: https://www.uidaho.edu/cals/potatoes/news/psyllid-management
To view the
weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit
the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid
captures and an archive of blog posts for this season: https://idahopestmonitoring.org/
Cowpea Aphid in Washington County, Idaho
Alfalfa Treasure Valley, Treasure Valley - Idaho
Cowpea Aphids
Posted on: September 11, 2024 by Dr. Armando Falcon-Brindis, Entomologist, Parma Research and Extension Center, Parma, University of Idaho
(09/09/2024)
The cowpea aphid was detected on alfalfa hay fields about 6 miles northwest of Weiser, Washington County. This is a dryland alfalfa field (drought tolerant), which could be a good incentive for these aphids. Farmers have never seen this pest in the area.
Numbers were within the limits of threshold levels (>100 aphids per plant) considering the size of the plants (20-25'' tall). The populations might explode if the warm conditions remain. I found many natural enemies (ladybugs, lacewings, parasitic wasps, big eye bugs, and more) attacking the aphids.
In some plants, ladybugs completely wiped out the cowpea aphids! So, watch out for the natural enemies.
IMPORTANT: as part of the decision-making process, consider the size of the plants, the number of aphids, the presence of natural enemies, and the harvesting date.
Attached is a picture of the cowpea aphid, and here are some links with more information about the management practices.
https://ipm.ucanr.edu/agriculture/alfalfa/aphid-monitoring/#gsc.tab=0
https://extension.colostate.edu/topic-areas/insects/aphids-in-alfalfa-5-531/
https://pnwhandbooks.org/insect/hay-pasture/alfalfa/alfalfa-hay-aphid
Psyllid captures increase a bit; no new Lso positives
Potato All Locations
potato psyllid
Posted on: September 5, 2024 by Tasha Stanzak
• This week we received traps from 52 of the 58 fields that we are monitoring.
• We captured a total of 40 psyllids across 11 fields.
• Captures were from the following counties: Payette, Canyon, Owyhee, Elmore, and Twin Falls.
• None of the psyllids collected last week tested positive for Lso.
Psyllid captures increased this week to their highest level overall this season; however, captures are still relatively low and similar to the season-long totals from last year. Thankfully, no new Lso-positive psyllids were collected last week. Although psyllid captures have been relatively low this season, Lso incidence was slightly higher than in most recent years, which may slightly elevate risk of ZC. Please maintain you IPM programs, especially in areas with higher captures of Lso-positive psyllids.
This is our last week of retrieving traps from the field and reporting on captures. Next week we will report on Lso testing results from the psyllids collected this week and wrap up the season.
Please maintain your IPM programs. More information on management can be found here:
https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
Psyllid captures still low; one new Lso positive
Potato All Locations
potato psyllid
Posted on: August 29, 2024 by Erik Wenninger
• This week we received traps from 53 of the 58 fields that we are monitoring; 5 sites are finished for the season.
• We captured a total of 19 psyllids across 5 fields.
• Captures were from the following counties: Payette, Canyon, and Twin Falls.
• One of the psyllids collected last week tested positive for Lso.
Psyllid captures continue to be relatively low overall—slightly lower than last week and similar to the low captures we saw over the last two years at this time. We did find another Lso-positive psyllid last week so—despite the low captures—we are seeing some positives, which may slightly elevate the risk of ZC. A psyllid from a set of sticky traps that arrived late to us could not be tested, so we will have those results by next week. As we get into vine kill, remember that our research with Russet Burbank shows that ZC can develop during storage if infection occurs as late as two weeks before vine kill.
Please maintain your IPM programs. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
2024 ISDA Pesticide Disposal Program
All Crops All Locations
Posted on: August 24, 2024 by Jeff Miller
From the ISDA website:
Homeowners, growers, dealers, and professional applicators storing unusable or unwanted pesticides will have a safe and free opportunity to dispose of them at an ISDA pesticide disposal site.
ISDA pesticide disposal sites will take most pesticides including herbicides, insecticides, fungicides, rodenticides or anything ending with “cide.” No high-pressure canisters, fertilizer, micronutrients, paint, solvents, motor oil, or rinsates other than seed treat rinsates will be accepted. Loads exceeding 1,000 pounds must be pre-registered.
- Idaho Falls / Bonneville County Transfer Station – August 27th 9:00 a.m. to 1:00 p.m.
2455 Hemmert Ave, Idaho Falls, ID 83401 - Twin Falls / Twin Falls County Highway District – August 28th 9:00 a.m. to 1:00 p.m.
3208 E 3700 N, Twin Falls, ID 83301 - American Falls / Power County Transfer Station – Sept. 10th 9:00 a.m. to 1:00 p.m.
2950 Landfill Rd, American Falls, ID 83211 - Burley / Bureau of Land Management Field Office – Sept. 11th 9:00 a.m. to 1:00 p.m.
3630 Overland Rd, Burley, ID 83318
More information can be found at the ISDA website.
» https://agri.idaho.gov/pesticides/pesticide-disposal-program/
Psyllid captures still low; no new Lso-positives
All Crops All Locations
potato psyllid
Posted on: August 23, 2024 by Tasha Stanzak
·
This week we received traps from 57 of the 58
fields that we are monitoring
·
We captured a total of 30 psyllids across 14 fields.
Four of these psyllids were from traps that were in the field for two weeks.
·
Captures were from the following counties:
Payette, Canyon, Owyhee, Jerome, and Twin Falls.
·
None of the psyllids collected last week tested
positive for Lso.
Psyllid
captures ticked up relative to last week but were still relatively low compared
to recent years. Thankfully, we found zero Lso-positive psyllids last week. This
season’s low overall psyllid captures and moderate Lso incidence (in previous
weeks) suggests low to moderate risk for ZC. We still suggest maintaining your
IPM programs. Our research has shown that ZC can develop during storage if
infection occurs as late as two weeks before vine kill.
Please have your
IPM programs in place. More information on management can be found here:
https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the
weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit
the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid
captures from 2020 through 2024 as well as an archive of this year’s weekly
summaries: https://idahopestmonitoring.org/
Psyllid captures remain relatively low; one more Lso positive
Potato All Locations
potato psyllid
Posted on: August 15, 2024 by Erik Wenninger
• This week we received traps from 38 of the 58 fields that we are monitoring; two of our crop consultant collaborators were not able to get to their fields this week but we expect to get those traps next week.
• We captured a total of 16 psyllids across 5 fields.
• Captures were from the following counties: Payette, Canyon, Owyhee, and Twin Falls.
• One of the psyllids collected last week tested positive for Lso.
Psyllid captures were relatively low again this week and similar to the captures observed at this time during the last two years. Of course, we did not receive traps from several fields, but last week most of those fields showed zero psyllid captures (and a few had one capture), so we may expect to see only a slight increase in the total captures when we get those trap captures added to the tallies. One Lso-positive psyllid from last week was from Payette County. We continue to see a smattering of Lso-positives psyllids over this season; however, the relatively low psyllid captures overall should mitigate risk of ZC.
Please have your IPM programs in place. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
4 Lso-positive psyllids; overall captures still moderately low
Potato All Locations
potato psyllid
Posted on: August 8, 2024 by Erik Wenninger
- This week we received traps from 58 of the 58 fields that we are monitoring.
- We captured a total of 21 psyllids across 11 fields.
- Captures were from the following counties: Payette, Canyon, Owyhee, and Twin Falls.
- Four of the psyllids collected last week tested positive for Lso.
Psyllid captures declined this week relative to last week. Captures overall continue to be moderately low and similar to the last two years. One Lso-positive psyllid was from Payette County, one from Elmore County, and two from Twin Falls County. Incidence of Lso usually diminishes over the season, though it is not unheard of to see a few positive psyllids in July to August. Thankfully overall captures have been relatively low this year, which should mitigate risk of ZC even with slightly higher Lso incidence in psyllids.
We urge growers to have their IPM programs in place. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
3 Lso positive psyllids; captures tick up only slightly
Potato All Locations
potato psyllid
Posted on: August 1, 2024 by Tasha Stanzak
• This week we received traps from ¬¬58 of the 58 fields that we are monitoring.
• We captured a total of 38 psyllids across 16 fields.
• Captures were from the following counties: Payette, Canyon, Owyhee, Elmore, Twin Falls, and Minidoka.
• Three of the psyllids collected last week tested positive for Lso.
Psyllid captures ticked up only slightly this week relative to last week. Captures overall continue to be moderate and similar to last year. One Lso-positive psyllid was from Payette County and two from Twin Falls County. Incidence of Lso usually diminishes over the season, though it is not unheard of to see a few positive psyllids in July to August. Thankfully overall captures have been moderate this year, which should mitigate risk of ZC even with slightly higher Lso incidence in psyllids.
Nevertheless, we urge growers to have their IPM programs in place. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
psyllid captures continue to be moderate; no new Lso positives
Potato All Locations
potato psyllid
Posted on: July 25, 2024 by Tasha Stanzak
• This week we received traps from 58 of the 58 fields that we are monitoring.
• We captured a total of 30 psyllids across 14 fields.
• Captures were from the following counties: Payette, Canyon, Gooding, Twin Falls, Minidoka, and Bingham.
• None of the psyllids collected last week tested positive for Lso.
Psyllid captures continue to be moderate. Captures this week were only slightly higher than what we found at this time over the last two years. Captures in the Treasure Valley and Upper Snake were similar to last week; captures in the Magic Valley ticked up only slightly relative to last week. We have captured a total of only 3 Lso-positive psyllids so far, which is lower than the Lso incidence we found at this time over the last few years. Typically we find the highest incidence of Lso in psyllids early during the season, so this low incidence so far is a good sign that overall Lso incidence for this season may be low.
Nevertheless, we urge growers across the state to have their IPM programs in place. More information on management can be found here:
https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
psyllid captures tick down; one more Lso-positive psyllid
Potato All Locations
potato psyllid
Posted on: July 18, 2024 by Tasha Stanzak
• This week we received traps from 57 of the 58 fields that we are monitoring.
• We captured a total of 14 psyllids across 11 fields.
• Captures were from the following counties: Canyon (2 fields), Owyhee, Jerome (2 fields), Twin Falls (4 fields), Cassia, and Bingham.
• One more psyllid collected last week in Twin Falls County tested positive for Lso.
Psyllid captures have been ticking down slightly over the last two weeks. Captures this week were similar to what we found at this time over the last two years. So, after seeing moderately high captures at the start of the monitoring season, we are now seeing relatively low captures. We have captured a total of 3 Lso-positive psyllids so far, which is lower than the Lso incidence we found at this time over the last few years.
Nevertheless, we urge growers across the state to have their IPM programs in place. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
Yellow rust (stripe rust), Bacterial leaf streak / black chaff, FHB, frost damage in wheat, barley
All Crops All Locations
Yellow (stripe) rust, Bacterial leaf streak, FHB
Posted on: July 17, 2024 by Juliet Marshall
The early season for Idaho was cool and unusually rainy. The weather was good for growth of winter and spring cereals. Stripe rust started developing in winter wheat (LCS Jet in production south of American Falls.) The season was mostly quiet until June 18th – 19th when there were significant frosts and freezing conditions throughout eastern Idaho.
As a result, bacterial infections took off, significantly damaging durum (Tiburon) and spring wheat.
Stripe rust started to show up at very low levels at the end of June, around heading of spring wheat. Initially the hard red spring wheat WB9707 was the first to show infection. Within 2 weeks, WB7696 (hard white spring), WB7313 (hard white spring), and now Holmes (hard red spring wheat) are also showing significant symptoms in production fields. Many other varieties are showing infections and will be rated soon in the Extension Variety Trials. Spring wheat is currently in early grain fill.
There is some BLS in spring barley as well, although it (black chaff) seems much more severe in spring wheat.
Some FHB has been collected in production fields of winter barley. Low levels of FHB are starting to show in spring wheat production fields around Idaho Falls. Night time temperatures and humidity are higher than usual due to cloud cover. Skies are hazy due to smoke from western fires. I am keeping an eye out for the development of additional FHB.
2024 Miller Research Potato Pest Management Field Day
Potato All Locations
Posted on: July 17, 2024 by Jeff Miller
Miller Research will be holding its annual potato pest
management field day on Wednesday, August 21 from 10:00 AM to 12:00 PM. The cost to attend is $20. Two ISDA and two CCA (PM) credits are available. More information can be found by following the attached link.
» https://millerresearch.com/event/2024-miller-research-potato-pest-management-field-day/
psyllid captures similar across the state
Potato All Locations
potato psyllid
Posted on: July 12, 2024 by Tasha Stanzak
• This week we received traps from all 58 fields that we are monitoring.
• We captured a total of 34 psyllids across 15 fields.
• Captures were from the following counties: Canyon (4 fields), Owyhee, Twin Falls (6 fields), Gooding, Jerome, Bannock, and Bingham.
• One more psyllid collected from the Kimberly Research & Extension Center last week tested positive for Lso.
• None of the other psyllids collected last week tested positive for Lso. We are still waiting on results from 4 psyllids that were delivered to us late last week.
Psyllid captures this week were higher than at this time in the last two years; however, captures have not been as high as 2020-2021. It is noteworthy that we are now seeing similar numbers of psyllids per field across the state. We typically see higher captures in the Treasure Valley before captures increase across the rest of the state, so these observations are unusual. Thankfully we did not see an uptick in Lso-positive psyllid captures this week.
We urge growers across the state to have their IPM programs in place. More information on management can be found here: https://www.uidaho.edu/extension/ipm/ag-pests/arthropods/psyllids
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024 as well as an archive of this year’s weekly summaries: https://idahopestmonitoring.org/
Parma Field Day 2024
All Crops Treasure Valley, Treasure Valley - Idaho
Posted on: July 12, 2024 by Jemila Chellappa
PARMA RESEARCH AND EXTENSION FIELD DAY
2 Idaho and 3 Oregon pesticide credits available
Date and Time: Thursday, August 8th, 2024 @ 7:15 am – 11:30 am
To cover field research on crops including onions, beans, sugar beets, hops, potatoes, corn, and carrots. To include demonstrations involving varieties, plant disease management, nematology, insect pests, and more. Idaho and Oregon pesticide education credits are expected to be offered.
Venue: University of Idaho Parma Research and Extension Center,
29603 U of I Lane, Parma, ID 83660
Schedule:
o 7.15 am: Registration, breakfast, posters, and displays
o 8 am – 11.30 am: Field tours and presentations
All are welcome!
No need to pre-register.
For further information
Contact: James Woodhall (jwoodhall@uidaho.edu)
Cercospora Leaf Spot in Sugarbeet
Sugarbeets All Locations
Cercospor Leaf Spot
Posted on: July 12, 2024 by Oliver Never
Sugarbeets - Treasure Valley, Western Magic Valley
University of Idaho and Amalgamated Sugar Company personnel have identified Cercospora leaf spot in fields near Parma ID, Wilder ID, and Glenns Ferry ID. Incidence is still low, however, most fields have closed rows, Cercospora spores have been detected in spore traps deployed in the Treasure Valley, and environmental conditions have been conducive for infection for a couple of weeks now.
If fungicide applications have not yet occurred, we strongly encourage everyone to start spraying against Cercospora leaf spot.
Several fungicides are available but be aware of multiple fungicide-resistant strains of Cercospora. Depending on the disease pressure and chemistry used, applications with different chemistries should be repeated every 14 days. Using a protectant such as copper products, EBDCs, or hydrogen peroxide with every spray is strongly recommended.[https://www.srcoop.com/articles/2024_Fungicide_Recommendations.pdf ]
Contact your crop consultant from the Amalgamated Sugar Company to discuss suitable fungicides for your area, to report a loss of fungicide efficacy, or if you have any questions.
Click on the link below for the Cercospora leaf spot pages in the PNW Plant Disease Management Handbooks.
https://pnwhandbooks.org/plantdisease/host-disease/sugar-beet-beta-vulgaris-cercospora-leaf-spot
Cercospora Leaf Spot in Sugarbeet - 2024
Sugarbeets Treasure Valley, Treasure Valley - Idaho, Magic Valley
Cercospora Leaf Spot
Posted on: July 7, 2024 by Oliver Neher
Sugarbeets- Treasure Valley, Western Magic Valley
University of Idaho and Amalgamated Sugar Company personnel have identified Cercospora leaf spot in fields near Parma ID, Wilder ID, and Glenns Ferry ID. Incidence is stilllow, however, most fields have closed rows, Cercospora spores have been detected in spore traps deployed in the Treasure Valley, and environmental conditions have been conducive for infection for a couple of weeks now.
In case fungicide applications have not yet occurred, we are strongly encouraging everyone to start spraying against Cercospora leaf spot. There are several fungicides available [https://www.srcoop.com/articles/2024_Fungicide_Recommendations.pdf ] but be aware of multiple fungicide resistant strains of Cercospora. Depending on the disease pressure and chemistry used, applications with different chemistries should be repeated every 14 days. The use of a protectant such as copper products, EBDCs, or hydrogen peroxide with every spray is strongly recommended.
Contact your crop consultant from the Amalgamated Sugar Company to discuss suitable fungicides for your area, to report a loss of fungicide efficacy, or if you have any questions.
Click on the link below for the Cercospora leaf spot pages in the PNW Plant Disease Management Handbooks.
https://pnwhandbooks.org/plantdisease/host-disease/sugar-beet-beta-vulgaris-cercospora-leaf-spot
2024 Potato psyllid monitoring program underway in Idaho
Potato All Locations
potato psyllid
Posted on: July 4, 2024 by Erik Wenninger
The University of Idaho and our crop consultant collaborators across the state are once again monitoring for potato psyllids, zebra chip disease (ZC), and liberibacter (Lso), the bacterium associated with ZC. The monitoring program covers commercial potato fields throughout southern Idaho and is funded in part by the Idaho Potato Commission and generous in-kind contributions by our cooperators.
Our official monitoring season began with wide deployment of traps last week and will continue for at least 10 weeks. We have 58 fields across the state this year, using 4 sticky traps per field at all sites.
• This week we received traps from all 58 fields that we are monitoring.
• We captured a total of 53 psyllids across 19 fields.
• Captures were from the following counties: Payette, Canyon (3 fields), Owyhee, Twin Falls (10 fields), Jerome, Cassia, Minidoka, and Bingham.
• Sites in Twin Falls County had a total of 43 psyllids.
• We also captured 1 psyllid from the Kimberly Research & Extension Center last week that tested positive for Lso.
• For psyllids captured this week, we expect to have results on Lso incidence next week.
Psyllid captures this week were higher than at this time in the last two years. It is noteworthy that most of the captures came from the Magic Valley, and most of those from one field (though captures in Twin Falls County were widespread). We typically see higher captures in the Treasure Valley before the Magic Valley, so these observations are unusual. It is not uncommon to see a few Lso-positive psyllids early in the season and fewer as the season progresses. However, if we continue to see relatively high captures in addition to more Lso-positives, this will represent higher ZC risk.
Given the potentially higher ZC risk, we strongly urge growers to have their IPM programs in place. More information on management can be found here:
https://www.uidaho.edu/cals/potatoes/pest-management/psyllid-management
To view the weekly data by site in the old spreadsheet format: https://tinyurl.com/potatopsyllid
Please visit the Idaho Pest Monitoring Dashboard, for graphical summaries of our psyllid captures from 2020 through 2024: https://idahopestmonitoring.org/
» https://www.uidaho.edu/cals/potatoes/pest-management/psyllid-management
Canyon County Emergency Management Storm Assessment
Announcements Treasure Valley
Posted on: June 28, 2024 by Jemila Chellappa
For anyone in the County who knows anyone who might have been affected by the storm a few days ago please see the information below and share it with your friends and family who might have been involved:
Canyon County Office of Emergency Management is trying to gather information from people who were affected by the microburst that came through our area on Tuesday, June 25, 2024. If your property or crops received any type of damage from the storm, please fill out this form.
Please send photos/attachments to the following email address with a description of the location and what was damaged. Email information to: emergencymanagement@canyoncounty.id.gov
Here is the link: https://forms.gle/BhxwVV4r27K8RLiq9
Pest Alert: Western cherry fruit fly in Idaho
Cherry All Locations
Western Cherry Fruit Fly
Posted on: June 10, 2024 by Jemila Chellappa
Crop: Cherry
Problem Description:
The first Western cherry fruit fly has been found in an Idaho State Department of Agriculture Western cherry fruit fly trap in Western Idaho. If treatment for the Western cherry fruit fly is not already underway, it should begin now.
Contact for further Information: vene.stewart@isda.idaho.gov
» https://pnwhandbooks.org/insect/tree-fruit/cherry/cherry-western-cherry-fruit-fly
2024 Snake River Weed Research Tour at the Malheur Experiment Station, Ontario, OR.
All Crops All Locations
Posted on: June 10, 2024 by Jemila Chellappa
Please join us this Thursday, June 13, 2024, for the 2024 Snake River Weed Research Tour at the Malheur Experiment Station, Ontario, OR.
Where: Malheur Experiment Station, Ontario, OR 97914
When: Thursday, June 13, 2024
Registration: 8:00 to 8:30 AM
Tour: 8:30 to 12:00 Noon
Complimentary lunch will be provided at 12:05 PM upon completion of the tour.
The tour will feature a session to correctly identify newly identified invasive weeds in the PNW region, Palmer amaranth and waterhemp, with live potted samples.
Studies for weed control in potato, onion, and sugar beet.
We have approval for pesticide application license recertification credits, and one must attend all parts of the tour to receive credits.
Oregon: 3 credits (2 core and 1 other)
Idaho: 3 credits.
The tour is open to the public!
For more information, please contact Joel Felix at joel.felix@oregonstate.edu or janet.jones@oregonstate.edu
2024 University of Idaho Snake River Weed Management Tour - JUNE 25 - Aberdeen R&E Center
All Crops All Locations
UI Snake River Weed Mgt Tour and Field Day Aberdeen R&E Center June 25
Posted on: June 10, 2024 by Pamela Hutchinson
University of Idaho Snake River Weed Management Tour and Field Day
Aberdeen R&E Center
Tuesday June 25, 2024
Registration: 8 to 9a
Tour: 9a to noon
Sponsored Lunch noon to 1p
Pesticide Applicator Recertification Credits offered: 4
No RSVP needed
2- and 3-way Tank Mixtures for Weed Control in Potatoes
Anthem Flex - Preemergence Tank Mixtures
Simulated Excess Rainfall Effect on Crop Injury and Weed Control
IR-4 Quinoa Herbicide Tolerance Trials
ISDA Specialty Crop Block Grant: Herbicide Tolerance in Condiment Mustard
Pest Management Research and Extension Updates
See attached agenda for more specific information about the Tour
phutch@uidaho.edu
» Agenda June 25 UI Snake River Weed Mgt Tour Aberdeen R&E Center
2024 Miller Research Potato Pest Management Seminar Handouts
Potato All Locations
Posted on: April 15, 2024 by Jeff Miller
The 2024 Miller Research Potato Pest Management Seminar was held on February 21 at the Historic Wilson Theater in Rupert, ID. Handouts from the presentations are now available at the attached link.
» https://millerresearch.com/2024/04/2024-miller-research-potato-pest-management-meeting/
2024 Ag Talk Tuesday sessions to resume
All Crops All Locations
General announcement - all crops
Posted on: April 4, 2024 by Kasia Duellman
The University of Idaho Ag Talk Tuesday sessions will resume once again in 2024. Join us for our 7th season of these live Zoom sessions held every first and third Tuesday, May through August. The sessions start at 11:00 AM (MDT) and typically conclude by Noon (MDT).
Registration is required to attend. The registration link is available on our website: https://www.uidaho.edu/ag-talk
During each Ag Talk Tuesday session, we invite contributions regarding timely information on crops in Idaho and the Pacific Northwest. These Crop Updates are then followed by a Featured Topic with Guest Speakers for deep dives into ag-related topics of interest.
Below is our current 2024 (Draft) Agenda for Featured Topics (subject to change):
- May 7: Water Update (Keith Esplin, Eastern Idaho Water Rights Coalition) and Ag Outlook (Josh Huff, Ag West Farm Credit)
- May 21: Soil arthropods and soil health: Belowground partners in PNW wheat systems (Dane Elquist and Sanford Eigenbrode*, University of Idaho) (*presenter)
- June 4: To be confirmed
- June 18: Family farms and corporate farms - what is the Idaho landscape? (Brett Wilder, University of Idaho)
- July 2: Entomology at Parma REC (Dr. Armando Falcon-Brindis, University of Idaho)
- July 16: Nematodes (Dr. Pooria Ensafi, University of Idaho)
- Aug 6: Annual alfalfa as a source of nitrogen for subsequent small grain crops (Reed Findlay*, Dr. Jared Spackman, Joseph Sagers, Justin Hatch, Tom Jacobsen, Jared Gibbons; University of Idaho) (*presenter)
- Aug 20: Idaho crop profitability outlook (Dr. Pat Hatzenbuehler, University of Idaho)
Looking forward to seeing you at Ag Talk Tuesday!
Sincerely,
Your Ag Talk Tuesday Organizers:
- Kasia Duellman (kduellman@uidaho.edu)
- Doug Finkelnburg (dougf@uidaho.edu)
- Pam Hutchinson (phutch@uidaho.edu)
- Juliet Marshall (jmarshall@uidaho.edu)
Cereal Schools Flyer and Agenda
Small Grains All Locations
Cereal Diseases and Agronomics
Posted on: January 19, 2024 by Juliet Marshall
This is a reminder that our 2024 Cereal Schools are coming soon!
See the attached files for the schedule. We hope to see you there!
Also, the Cereal Schools are the same dates EVERY YEAR: the first full week in February.
2025 Cereal Schools will be scheduled for Feb 4 – 7, Tuesday through Friday in the same order.
Cheers!
Juliet
-- Juliet M. Marshall, Ph.D.
Plant Sciences Department Head
Endowed Research Professor, Cereals Pathology and Agronomy
Idaho Falls R&E Center
1776 Science Center Drive Suite 205
Idaho Falls, ID 83402
208-529-8376 office
208-390-4859 cell
Pesticide recertification seminars at the Western Idaho Ag Show
Announcements All Locations
Posted on: January 11, 2024 by Ronda Hirnyck
Six pesticide recertification credits offered at the Ag Show. Location: "The Center at the Fair", Canyon County Fairgrounds, Caldwell, ID.
WESTERN IDAHO AG SHOW –JANUARY 23-24, 2024
Pesticide Seminars for Recertification Credit
Day 1—January 23, 2023-Tuesday.
WESTERN IDAHO AG SHOW – JANUARY 24-25, 2023
Day 2 – January 24, 2024 --Wednesday