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Organic Marketing Conference
Announcements All Locations
Posted on: November 18, 2010 by Nora Olsen
Organic Marketing Conference
Tuesday, December 7 to Wednesday, December 8
Twin Falls, Idaho
This two-day conference on marketing organic farm products, including vegetables, grains, forages, milk and livestock, will feature national, regional, and Idaho speakers. The second day includes trainings on developing an effective marketing plan, social media, a mock certified organic inspection, GAP audit, ISDA's 2011 organic promotion, and a series on financial management tools. Full conference details are available at www.pesticide.org.
$50/person for both days; $35/person for one day
Register by November 26 at www.pesticide.org or by contacting Jennifer Miller at jmiller@pesticide.org or 208-850-6504
pesticide applicator recertification training
Announcements Treasure Valley - Idaho
Posted on: November 12, 2010 by Jerry Neufeld
The pdf below contains information about a 6 credit pesticide applicator recertification training on December 8, 2010 in Caldwell.
2010 Idaho Association of Plant Protection Meeting
All Crops All Locations
Posted on: November 5, 2010 by Nora Olsen
The annual meeting for the Idaho Association of Plant Protection will be held at the Best Western Sawtooth Inn and Suites in Jerome, ID on the afternoon of Nov 8 (12:30 to 5:30 pm)and the morning (8 am to noon) of Nov 9. The meeting program has multiple topics on potatoes, sugar beets, grain and others. There will be 3 CCA (PM) and 3 ISDA pesticide credits available for the Nov 8 session and another 3 CCA (PM) and 3 ISDA pesticide credits available for the Nov 9 session. The registration cost for the meeting is $15 per person.
ISDA Pesticide Disposal Program
Announcements All Locations
Posted on: September 9, 2010 by Jerry Neufeld
Click on the PDF below for information about Idaho State Department of Agriculture’s Pesticide Disposal Program next week in eastern Idaho and the Magic Valley.
corn earworm
All Crops Treasure Valley - Idaho
corn earworm
Posted on: August 26, 2010 by Jerry Neufeld
Dr. Jim Barbour from the UI Parma R and E Center, Terry Clinton from Crookham Company and I are once again collaborating on a project to trap corn earworm moths across the Treasure Valley. We set out 14 traps at various locations from near Melba to near Weiser. I check the traps once a week and post the moth counts to this website. Click on the pdf below for this week’s moth count. Purdue University recommends the treatment threshold to be 10 moths per trap per night.
sugarbeet root aphids
Sugarbeets Magic Valley
sugarbeet root aphids
Posted on: August 20, 2010 by Jerry Neufeld
UI Extension Entomologist Erik Wenninger is reporting that sugar beet root aphids have been observed on the roots of common lambsquarters within sugar beet fields in Kimberly. Aphids have not yet been observed on adjacent beets, but they are expected to move to beets soon. Sugar beet root aphids may be pinhead sized and up to 5/64-inch (2 mm) long. They are pale whitish yellow and broadly oval to pear shaped. They secrete white, waxy strands, which give beets a distinctive “moldy” appearance. Severe infestations may reduce tonnage and sucrose levels. There are no rescue insecticide options available; when root aphids are found attacking beets, cultural control practices should be followed (see below).
Sugar beet root aphids feed on the roots of sugar beet plants, but will also attack closely related species, including spinach, table beets, common lambsquarters, and pigweed. Pulling alternate weed hosts found within or adjacent to sugar beet fields and inspecting the roots for aphids and distinctive wax secretions may be a convenient method of preliminary scouting. If aphids are found on weeds, then nearby sugar beets should be examined as well.
When root aphid infestations are found on sugar beets, careful maintenance of a proper irrigation schedule is the single most important cultural control tool available. Damage by root aphids is exacerbated when plants are drought stress (conversely, diseases are encouraged when plants are over irrigated), so an optimal irrigation schedule will enhance the ability of the crop to resist attack from aphids. In addition, good management of alternate weed hosts (including lambsquarters, dock, pigweed, and prostrate knotweed) is important, and care should be taken to avoid contaminating uninfested fields with soil or irrigation water from an infested field. The use of resistant sugar beet varieties may be considered for future plantings.
corn earworm
Corn Treasure Valley - Idaho
corn earworm
Posted on: August 20, 2010 by Jerry Neufeld
Dr. Jim Barbour from the UI Parma R and E Center, Terry Clinton from Crookham Company and I are once again collaborating on a project to trap corn earworm moths across the Treasure Valley. We set out 14 traps at various locations from near Melba to near Weiser. I check the traps once a week and post the moth counts to this website. Click on the pdf below for this week’s moth count. Purdue University recommends the treatment threshold to be 10 moths per trap per night.
Treasure Valley Soybean Tour
Announcements All Locations
Posted on: August 20, 2010 by Steve Norberg
Treasure Valley Soybean Tour
Tentative Agenda
10 AM – 3:00 PM, August 24, 2010, Lunch Provided
Tour will start from the just north of Willow Creek at the junction of Hwy. 26 and 10th Ave. East.
10:00 AM Meet at Jerry Erstrom’s Soybean Field - just north of Willow Creek at the junction of Hwy. 26 and 10th Ave. East.
10:20 AM Leave Erstrom’s for Dave Patchett’s Organic Soybean Field
10:50 AM Arrive Dave Patchett’s Organic Soybean Field
11:10 AM Leave Patchett’s for Skyline Farm
11:30 AM Arrive Skyline Farm
11:50 AM Leave for Ontario (Malheur Extension Office)
12:10 PM Arrive Malheur Extension Office for Lunch Sponsored by Asgrow, Dekalb (Dan Rongen) and Croplan Genetics (Rick Spiecher)
12:30 PM Pendleton Grain Growers Interest in Soybeans (Not Confirmed Yet), Jon Sperl,
12:50 PM Leave for Parma R & E Center to look at Relay Cropping and Varieties
1:20 PM Leave for Syngenta R & E Center
1:50 PM Arrive Syngenta R & E Center (Ten miles north of Caldwell on
2:10 PM Tour Over and Drive Home
Pomology Field Day
Announcements Treasure Valley - Idaho
Posted on: August 12, 2010 by Jerry Neufeld
Please see the pdf below for information on the Pomology Program Annual Fruit Field Day at the Parma R&E Center.
corn earworm
Corn Treasure Valley - Idaho
corn earworm
Posted on: August 11, 2010 by Jerry Neufeld
The pdf below contains the corn earworm counts taken Aug 10 and 11, 2010 from across the Treasure Valley. Purdue University recommends the treatment threshold to be 10 moths per trap per night.
corn earworm
All Crops Treasure Valley - Idaho
corn earworm
Posted on: August 11, 2010 by Jerry Neufeld
Below are the corn earworm counts taken August 10 and 11, 2010 from across the Treasure Valley.
Date
Location 8/5 8/10
South of Melba, #1 1 1
N of Melba 0 7
Kuna 1 4
SE of Nampa 0 0
S of Nampa 0 1
Map Rock Rd & Deer Flat 0 1
S of Upper Dam, Lake Lowell 5 6
West of Marsing 9 0
S of Homedale 7 8
NE of Wilder 0 3
East of Parma 4 2
NW of Caldwell 0 2
S of Caldwell 0 1
Near Weiser 1 8
Total 28 44
corn earworm
All Crops Treasure Valley - Idaho
corn earworm
Posted on: August 11, 2010 by Jerry Neufeld
test
Black Bean Aphids
Sugarbeets Magic Valley
Black Bean Aphid
Posted on: August 10, 2010 by Jerry Neufeld
UI Extension Entomologist Erik Wenninger is reporting sporadic black bean aphid infestations have been observed in several sugar beet fields across the Magic Valley. The black bean aphid is a dark-bodied aphid, about 1/16 inch long; individuals may be winged or wingless. Aphids may be found on the young leaves within the crown of sugar beets. Infestations usually occur as scattered hot spots or along edges rather than uniformly across the entire field. Colonies can produce massive amounts of honeydew, which causes a black, sooty mold to cover the leaves.
There are no formal economic thresholds for insecticide treatment decisions for bean aphids, but treatment should be considered if fields are under heavy pressure. When scouting a field, it is important to sample plants in several representative areas across a field, because infestations may be patchy. Also, several predators (notably, lady beetles) and parasites attack bean aphids and may effectively suppress aphid populations. Therefore, it is advisable to assess natural enemy populations when making a decision on whether to apply insecticides.
In addition to sugar beets, black bean aphids may be found in other crops, including beans and corn.
For current information on registered insecticides, consult the Pacific Northwest Insect Management Handbook (http://uspest.org/pnw/insects).
corn earworm
All Crops Treasure Valley - Idaho
corn earworm
Posted on: August 6, 2010 by Jerry Neufeld
The University of Idaho CIS 366 entitled “Timing Corn Earworm Control,”states that summer moths will begin laying eggs in fresh corn silk at approximately 1300 growing degree days (GDD). Egg hatch and larvae attack will begin about 73 GDD later.
According to the Oregon State University GDD model for Corn Earworm (http://uspest.org/cgi-bin/ddmodel.pl?clm), we are currently at 1204 GDD in the Caldwell area. We are accumulating approximately 19-20 GDD per day. We will hit 1300 GDD in the Caldwell area on approximately 8/10, and hit 1373 GDD on approximately 8/14. Those fields with fresh silk at 1373 GDD are most vulnerable to attack from corn earworm larvae.
The following information was taken from CIS 366 regarding corn earworm.
Corn can be “scouted” for corn earworm eggs to predict possible infestation levels. Examine 10 silk masses (about 2-day old) on each edge of a field but only in those fields which are beginning to silk or are silking. Examining a field in late silk for the first time is worthless; most of the eggs, if any were present, are already hatched, and the damage cannot be prevented.
When the egg counts average 1 egg per 2 silk masses, about 100% ear infestation will occur in the field and other fields of like maturity in the vicinity. With 1 egg per 2 silk masses, about 1 inch of each ear tip will be damaged; 1 egg per silk mass will result in about 2 inches of the ear tip damage, etc. When the days and nights are warmer than usual, the damage may double because the earworm will develop faster than the corn.
Fields should be scouted about every 2 to 4 days, depending on temperatures. Once economic egg levels are reached, determined on the basis of damage expected, further scouting is unnecessary. All fields which silk after that time in that vicinity will be subject to damage.
No chemical control will control worms in the ears, so sprays must be timed to control the larvae on the silk before the worms enter the ears. Make the first application when the plants are 50 percent silk, and repeat in 5 to 7 days or as necessary.
For control information from the 2010 Pacific Northwest Insect Management Handbook go to the following web address: http://uspest.org/pnw/insects. In the drop down boxes click on “commercial vegetables” and then “sweet corn.”
Dr. Jim Barbour from the UI Parma R and E Center, Terry Clinton from Crookham Company and I are once again collaborating on a project to trap corn earworm moths across the Treasure Valley. We set out 14 traps at various locations from near Melba to near Weiser. I will check the traps every few days and post the moth counts to this website. Below are the moth counts from earlier this week. Purdue University recommends the treatment threshold to be 10 moths per trap per night.
Weekly Corn Earwom Counts, 2010
Location 8/5
South of Melba, #1 1
N of Melba 0
Kuna 1
SE of Nampa 0
S of Nampa 0
Map Rock Rd & Deer Flat 0
S of Upper Dam, Lake Lowell 5
West of Marsing 9
S of Homedale 7
NE of Wilder 0
East of Parma 4
NW of Caldwell 0
S of Caldwell 0
Near Weiser 1
Total 28
corn earworm
All Crops Treasure Valley - Idaho
corn earworm
Posted on: August 6, 2010 by Jerry Neufeld
The University of Idaho CIS 366 entitled “Timing Corn Earworm Control,”states that summer moths will begin laying eggs in fresh corn silk at approximately 1300 growing degree days (GDD). Egg hatch and larvae attack will begin about 73 GDD later.
According to the Oregon State University GDD model for Corn Earworm (http://uspest.org/cgi-bin/ddmodel.pl?clm), we are currently at 1204 GDD in the Caldwell area. We are accumulating approximately 19-20 GDD per day. We will hit 1300 GDD in the Caldwell area on approximately 8/10, and hit 1373 GDD on approximately 8/14. Those fields with fresh silk at 1373 GDD are most vulnerable to attack from corn earworm larvae.
The following information was taken from CIS 366 regarding corn earworm.
Corn can be “scouted” for corn earworm eggs to predict possible infestation levels. Examine 10 silk masses (about 2-day old) on each edge of a field but only in those fields which are beginning to silk or are silking. Examining a field in late silk for the first time is worthless; most of the eggs, if any were present, are already hatched, and the damage cannot be prevented.
When the egg counts average 1 egg per 2 silk masses, about 100% ear infestation will occur in the field and other fields of like maturity in the vicinity. With 1 egg per 2 silk masses, about 1 inch of each ear tip will be damaged; 1 egg per silk mass will result in about 2 inches of the ear tip damage, etc. When the days and nights are warmer than usual, the damage may double because the earworm will develop faster than the corn.
Fields should be scouted about every 2 to 4 days, depending on temperatures. Once economic egg levels are reached, determined on the basis of damage expected, further scouting is unnecessary. All fields which silk after that time in that vicinity will be subject to damage.
No chemical control will control worms in the ears, so sprays must be timed to control the larvae on the silk before the worms enter the ears. Make the first application when the plants are 50 percent silk, and repeat in 5 to 7 days or as necessary.
For control information from the 2010 Pacific Northwest Insect Management Handbook go to the following web address: http://uspest.org/pnw/insects. In the drop down boxes click on “commercial vegetables” and then “sweet corn.”
Dr. Jim Barbour from the UI Parma R and E Center, Terry Clinton from Crookham Company and I are once again collaborating on a project to trap corn earworm moths across the Treasure Valley. We set out 14 traps at various locations from near Melba to near Weiser. I will check the traps every few days and post the moth counts to this website. Below are the moth counts from earlier this week. Purdue University recommends the treatment threshold to be 10 moths per trap per night.
Weekly Corn Earwom Counts, 2010
Location 8/5
South of Melba, #1 1
N of Melba 0
Kuna 1
SE of Nampa 0
S of Nampa 0
Map Rock Rd & Deer Flat 0
S of Upper Dam, Lake Lowell 5
West of Marsing 9
S of Homedale 7
NE of Wilder 0
East of Parma 4
NW of Caldwell 0
S of Caldwell 0
Near Weiser 1
Total 28
Iris Yellow Spot Virus
Onion Treasure Valley - Oregon
Iris Yellow Spot Virus
Posted on: July 21, 2010 by Jerry Neufeld
Lynn Jensen from the OSU Malheur County Extension office is reporting that Iris yellow spot virus has been confirmed in Malheur County. Make sure onion fields are maintained at an adequate fertility level, and that the soil moisture level is kept at about the 20 centibar level. Make thrips control insecticide applications every 7 - 10 days.
Organic Field Day Offered
Announcements All Locations
Posted on: July 20, 2010 by Nora Olsen
Organic Field Day Offered
M&M Heath Farms, Buhl, Idaho
Wednesday, July 28
Registration at 9 am. Tour from 9:30 to 12:30 pm, followed by lunch.
Cost is $15
Mike Heath of M&M Heath Farms in Buhl, Idaho and Jennifer Miller with the Northwest Coalition for Alternatives to Pesticides invite you to attend an organic field day on Wednesday, July 28.
Mike Heath has been farming organically for 28 years and currently runs 450 acres of certified organic production. He produces dry beans, grains, potatoes, hay, tomatoes, winter and summer squash, and a variety of other vegetables, as well as livestock.
Heath will describe his rotation, organic fertility management, and pest and weed management. He will provide a tour of his various potato varieties, dry beans, Austrian winter pea seed crop, new alfalfa stand, and squash, as well as his planters, cultivators and other equipment.
Last year, Heath participated in the Farm Bill EQIP-Organic Initiative through the Natural Resources Conservation Service. Mike Cothern from the Natural Resources Conservation Service in Twin Falls will be on-hand to discuss this program and others available to organic farmers.
The field day will also include updates from University of Idaho researchers on organic disease management, fertility management, and the Idaho Foundation Seed Program.
Registration starts at 9 am, with the tour from 9:30 am to 12:30 pm. Lunch will be served. The cost is $15. RSVP with Jennifer Miller by Friday, July 23 at jmiller@pesticide.org or 208-850-6504.
Driving directions are available at www.pesticide.org.
Powdery Mildew in Sugarbeets
All Crops All Locations
Powdery Mildew
Posted on: July 14, 2010 by Jerry Neufeld
As of today (July 14) powdery mildew has still not been found in Treasure Valley sugarbeets.
UI CALS Twilight Tour
Announcements Magic Valley
Posted on: July 9, 2010 by Jerry Neufeld
Attached is a flyer with information about the July 21 UI CALS Twilight Tour at the Kimberly R and E Center.
Powdery Mildew in Sugarbeets
Sugarbeets Treasure Valley - Idaho
Powdery Mildew
Posted on: June 25, 2010 by Jerry Neufeld
The Amalgamated Sugar Company Field Representatives are saying that now is the time to plan your treatments for powdery mildew in sugarbeets. While mildew has not yet been found in the Treasure Valley, White Satin Field staff say the modes of action of the mildew chemistries work best if treatments are applied before mildew is found in the field. They are recommending mildew treatments begin in the west end of the Treasure Valley the week after July 4 regardless of whether or not your fields are surface or sprinkler irrigated. You may also want to include an insecticide treatment for black bean aphid or loopers in the mildew tank mix. Contact your Amalgamated Fieldman for information regarding these treatment recommendations and rotation of chemistries.
Confirmed late blight in Washingon
Potato All Locations
Late Blight
Posted on: June 25, 2010 by Jerry Neufeld
Below is information on Late Blight from Philip B. Hamm, Supt at the OSU Hermiston Agricultural Research & Extension Center.
Late blight was confirmed in the Columbia Basin today at two locations; south of Kennewick (Horse Heaven Hills) and near Burbank WA. There are few additional details at this time. Frankly, I am surprised that we haven’t seen this disease problem earlier, given the favorable weather conditions. We expect there are other infections waiting to be found….Keep scouting and bring any suspects in to the lab for confirmation.
Weekly applications of protectant fungicides (manzate and chlorothalonil) are recommended through July. Use of Omega for white mold control provides protection against late blight. Use of a phosphorus acid product may be beneficial for protecting tubers against late blight and pink rot.
Keep checking the late blight hot lines in both Oregon and Washington for further details.
The Oregon Hot Line is 1-800 705 3377
Washington 1 (800)-984-7400
Please let me know if you have any questions.
Phil
Philip B. Hamm
Professor of Plant Pathology &
Superintendent
Hermiston Agricultural Research & Extension Center
Oregon State University
2121 South First Street
Hermiston OR 97838
Phone: 541 567 8321
Loose Smut on Wheat
Small Grains Magic Valley
Loose Smut
Posted on: June 25, 2010 by Jerry Neufeld
Loose smut on wheat was observed in Jerome County. Infected heads are blackened (picture 1) and spikelets are transformed into dry, olive-black masses of spores (pictures 2 & 3). Spores are spread by wind or splashing rain. Only a bare rachis will remain. Before heading, infected plants might have dark green, erect leaves with possible chlorotic streaks. Fungus survives in infected seeds, which remain fully germinable and are not visibly altered. Control is only possible by planting certified disease free seeds, resistant cultivars, and chemical seed treatments.
This information was provided by UI Extension Plant Pathologist Dr. Oliver Neher.
