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lygus bug
All Crops Treasure Valley - Idaho
Posted on: March 17, 2005 by Jerry Neufeld, information provided by Jim Barbour
Degree days, also known as heat units or thermal units are the accumulation of temperature over time. Usually degree-days are only counted above a lower temperature threshold and below an upper threshold. Degree-days are used in agriculture and natural resources management to predict events and time management activities, such as when to sample or control a pest problem. In alfalfa seed we can use degree day units to predict the the occurrence of peak populations of 1st and 2nd instar lygus bugs hatching from eggs laid by overwintering adult lygus. This event takes right at 272 degree days. On average we reach 272 degree days in about mid-May, but there is considerable year-to year variation. Last year, for example, we had a very warm year and reached 272 degree day units on April 27, a bit more than two weeks ahead of the mid-May average. If you were thinking it has been warm this winter you're right. For the period beginning January 1, 2005 and ending today (March 17, 2005), we are are at 52 degree day units. That's about about 12 degree day units more than the same time period last year. If things don't cool down a bit we will be reaching peak lygus numbers even earlier this year than last.
Remember that the lygus degree day model indicates when peak populations of first generation 1st and 2nd instar nymphs should occur, not when treatment would be necessary. The degree day model is really useful as a tool to pinpoint early season sampling efforts. Treatment decisions should be made based on lygus thresholds and the presence of susceptible stages of alfalfa when grown for seed (the presence of flowers and flower buds that contribute to seed yield). So just because lygus bugs show up early doesn't necessarily mean that they will need to be treated early. It just means you should be on the lookout for potential problems. The warm weather means that other insects, such as the pea leaf weevil and cutworms could be making an early appearance as well, so be on the lookout for these as well, especially in new seedings.
If you want to know more about degree days or to monitor degree days yourself, go to the "OSU On-Line Phenology and Degree Day" web page at: http://ippc2.orst.edu/cgi-bin/ddmodel.pl?spp=lyg. Select the lygus bug [alfalfa seed] Ben Simko 2000 model (or any other model you might be interested in) in the drop down box at the top of the page. Don't change with the calculator mode settings, but do select the start and end dates and locations that are appropriate for you then hit the calculate button at the bottom of the page. You should get a print out of the degree day accumulations for the times selected and, at the bottom of the page, a graph of the data selected along with a graph showing the historical average for the same time.
Cull Onion Disposal in Idaho
Onion Treasure Valley - Idaho
Posted on: March 2, 2005 by Jerry Neufeld
Below is a Press Release from Micheal E. Cooper, Chief of the Bureau of Feeds and Plant Services at the Idaho State Department of Agriculture. The Press Release deals with the disposal of cull onions. For additional information on this subject, click on the “Crop Info” button on the left side of the TVPestAlert.net home page. Then click on “Onion” and finally “Cull Onion Memorandum.”
FOR IMMEDIATE RELEASE
February 25, 2005
DEPARTMENT OF AG REMINDS THE ONION INDUSTRY OF THE CULL ONION DISPOSAL FOR ONION MAGGOT CONTROL
BOISE, Idaho --- We are expecting it to be a big year for cull onions. The market was depressed to the point that many fields were never harvested are there are a lot of onions still in farm and commercial storage. March 15th is the deadline for disposal of cull onion piles in Ada, Canyon, Gem, Payette, Owyhee and Washington Counties, according to rules of the Idaho State Department of Agriculture (ISDA). Mike Cooper, Chief, Bureau of Feeds and Plant Services, Division of Plant Industries, ISDA said the potential for damage to Idaho's onion crop is the basis for the regulations." The larval stage of the onion maggot attacks and destroys portions of the onion bulb providing an avenue for fungi and bacteria to cause bulbs to rot during storage. With consecutive years of wet springs, the insect has been known to destroy 80% to 90% of the crop. We frequently find the onion maggot in cull onion piles."
According to state rules, cull onions – those not useable for human consumption or deemed waste - must be disposed of by March 15th of each year or within one week of sorting after March 15th. Trucks transporting onions should be covered to prevent spillage along roadsides. Such spilled onions create good breeding sites for the onion maggot.
A civil penalty of up to $1,000 per violation has been in effect since 2000. There are also new disposal methods such as dumping, feeding, composting, spreading, chopping and shredding. The University of Idaho “Best Management Practices” for the dumping or pit disposal of culls is referenced in the rules and is available through the University of Idaho Extension Service.
The onion maggot adult flies emerge in April and May and are attracted to the volatile odors given off by sprouting onions and new seedlings. The onion maggot can destroy up t two dozen seedlings during its two week life span, so damage to a field can be substantial. If not properly disposed of, culls serve as breeding and egg-laying sites for the adult flies.
A copy of the cull onion disposal rules, as well as other ISDA rules, can be obtained from the State of Idaho Homepage at:
http://www.state.id.us/adm/adminrules/rules/idapa02/02index.htm.
Double click on the cull onion disposal rules numerical designation of 02.06.17 and download it to your computer. You will need a copy of Acrobat 3.0 or better to read it. See the instructions at the top of that Web page to obtain a free copy of Acrobat.
Cooper said the regulations have been in effect for several years and the program is working well. "We have received excellent cooperation from the onion industry. Let us continue to work together to protect Idaho’s onion industry.
IPPMA potato grower educational meeting
Announcements Magic Valley
Posted on: February 3, 2005 by Nora Olsen
The University of Idaho and the Idaho Potato Pest Management Association will have an educational grower meeting on Feb. 23, 2005 from 9 am to 1 pm at the Odd Fellow's Hall in Wendell. Topics will include: storage issues, late blight and ring rot, aphid and colorado potato beetle management, growing potatoes will less water, insecticide seed treatment, and water outlook for the Magic Valley. Lunch will be provided and 2 recertification credits will be available. All are welcome. Contact Nora Olsen (208-736-3621) for additional information.
Treasure Valley Bean School
Announcements Treasure Valley - Idaho
Posted on: January 25, 2005 by Jerry Neufeld
The 2005 Treasure Valley Bean School will be held on Thursday February 10, at the Oregon Trail Church of God Gymnasium (23057 Old Highway 30, Caldwell; Exit 25 on I-84) from 8:00 am to 1:30 pm. BBQ lunch will be served. One pesticide license credit is pending.
The Keynote Speaker will be Karl H Dreher, Director of Idaho Department of Water Resources. Topics will include Nez Perce Water Settlement, Promotional Efforts of the U.S. Dry Bean Council, Bean Promotion Efforts in Mexico, Seed Treatments and Pesticide Record Keeping. There will also be reports from the Idaho Bean Commission and the Idaho/Oregon Bacterial Blight Association.
There is no cost to attend, but you must RSVP to the Canyon County Extension office at 459-6003 by February 3. Call Jerry Neufeld at the 459-6003 if you have any questions.
Outback Steakhouse gift certificate winners
Announcements Eastern Idaho
Posted on: December 15, 2004 by Jerry Neufeld
Thanks to everyone that recently completed an evaluation for the Pest Alert Network.
The winners of the $75 gift certificates to the Outback Steakhouse are: Ralph Graham, Darren Bradley and Rod Steele. The winners of the polo shirts and hats are Allan Landon, Jeffery Christianson and Gene Schmitt.
I will get the prizes in the mail ASAP.
Outback Steakhouse Gift Certificate Winners
All Crops Treasure Valley - Idaho
Posted on: December 15, 2004 by Jerry Neufeld
Thanks to everyone that recently completed an evaluation for the Pest Alert Network.
The winners of the $75 gift certificates to the Outback Steakhouse are: Ralph Graham, Darren Bradley and Rod Steele. The winners of the polo shirts and hats are Allan Landon, Jeffery Christianson and Gene Schmitt.
I will get the prizes in the mail ASAP.
Outback Steakhouse Gift Certificate Winners
All Crops All Locations
Posted on: December 15, 2004 by Jerry Neufeld
Thanks to everyone that recently completed an evaluation for the Pest Alert Network.
The winners of the $75 gift certificates to the Outback Steakhouse are: Ralph Graham, Darren Bradley and Rod Steele. The winners of the polo shirts and hats are Allan Landon, Jeffery Christianson and Gene Schmitt.
I will get the prizes in the mail ASAP.
pesticide applicator training
Announcements Treasure Valley - Idaho
Posted on: December 2, 2004 by Jerry Neufeld
Owyhee Soil Conservation District is hosting its annual Farmer Appreciation Day on Dec 10th at the U of I Extension Center in Marsing. The ISDA training team headed by Sherman Takatori will present the program. Participants will receive 4 credits toward recertification of their pesticide license. Lunch will be served including chili, sandwiches, and Alta's chocolate chip cookies. Arrival begins at 8:30 am, programming runs from 9:00 - 2:00. The classroom will hold approximately 40 people. There is no charge. Please call Linda Adams (896-4544 ext 102) before noon on Dec 6th to reserve a place.
pesticide re-certification training
Announcements Treasure Valley - Idaho
Posted on: November 29, 2004 by Jerry Neufeld
A pesticide re-certification training will be held on Thursday December 16, 2004. Registration starts at 8:30 am at the Caldwell Police Department public meeting room (110 S 5th). The program will run from 9:00 am to 4:15 pm. Among the topics will be; Worker Protection Standard, Update on Field Burning and Phostoxin Use, Black Flies in the Treasure Valley and Pesticide and Nitrate Groundwater Monitoring. Idaho license holders will receive 6 credits and CCA’s will receive 4.0 credits at the end of the program. Six Oregon credits are pending. Registration is $25.00 at the door and includes lunch and breaks. Call Jerry Neufeld at 208.459.6003 or Sherm Takatori at 208.332.8609 if you have questions.
horticulture conference
Announcements Treasure Valley - Idaho
Posted on: November 11, 2004 by Jerry Neufeld
The 110th Idaho State Horticultural Society Annual Meeting will be held at the Nampa Civic Center on November 22 and 23, 2004. The program is filled with nationally and internationally recognized researchers. Two pesticide license credits are available each day. Cost to attend is $25.00. Registration begins at 8:00 a.m. on Monday. Call Marc Asumendi at J.C. Watson Company for more information (722.5141).
pesticide license credits
Announcements Treasure Valley - Idaho
Posted on: November 5, 2004 by Jerry Neufeld
If you are in need of credits for your pesticide license by the end of 2005 don't despair. U of I Canyon County Extension and ISDA are holding a re-certification training worth 6 credits on December 16, 2004 in Caldwell. Additional information will be forthcoming in early December. Call me if you have any questions.
pesticide license credits
All Crops Treasure Valley - Idaho
Posted on: November 5, 2004 by Jerry Neufeld
If you are in need of credits for your pesticide license by the end of 2005 don't despair. U of I Canyon County Extension and ISDA are holding a re-certification training worth 6 credits on December 16, 2004 in Caldwell. Additional information will be forthcoming in early December. Call me if you have any questions.
pesticide disposal
Announcements Treasure Valley - Idaho
Posted on: October 11, 2004 by Jerry Neufeld
FOR IMMEDIATE RELEASE Contact: Victor Mason II
October 7, 2004 208-465-8442
PRE-REGISTRATION NO LONGER REQUIRED FOR PESTICIDE DISPOSAL
Collection scheduled for southwest Idaho is safe, legal and free
BOISE, Idaho – Agricultural producers, dealers, applicators and homeowners who are storing unusable pesticides will have a safe, legal and free opportunity to dispose of them this October 22nd when the Idaho State Department of Agriculture conducts an unusable pesticide collection in conjunction with Canyon County’s 2nd annual Household Hazardous Waste collection. Both collections will take place at the Canyon County Landfill located at Pickles Butte.
Participation is free for the first 1,000 pounds of unusable pesticides per participant. Anyone with unusable herbicides, insecticides, fungicides and rodenticides should bring them to the collection site between the hours of 9:00 a.m. and 2:00 p.m. (Sorry no fertilizers, micronutrients, paints, solvents or motor oil can be accepted. These will be collected in household quantities on October 23rd during the Canyon County’s Household Hazardous Waste Collection).
“This collection provides a mechanism for disposing of pesticides in an environmentally sound manner. The unusable pesticides collected in October will be incinerated or otherwise destroyed. Plus, Canyon County is hosting its 2nd annual Household Hazardous Waste Collection. This collection gives the homeowners of Canyon County an opportunity to properly dispose of hazardous materials that they may have as well.” said Victor Mason II, manager of the department’s pesticide disposal and container recycling programs.
Since 1993, the Idaho State Department of Agriculture has disposed of more than half million pounds of unusable pesticides. Pesticides become unusable for many reasons, including loss of potency, exposure to temperature extremes, cancellation or suspension by state or federal authorities, or growers’ decisions to change their cropping rotations or practices.
Assistance in the identification of unknown pesticides and other information about the collections is available at http://www.agri.state.id.us/agresource/pdp.htm
Late blight
Potato Eastern Idaho
Posted on: August 27, 2004 by Jeff Miller
Late blight has been confirmed near Blackfoot and east of Rexburg. Recent rains have made conditions ideal for disease spread. Intensive fungicide programs are needed up to vine kill. When vines are killed, make sure the vines die as quickly as possible. If you are using a slow vine kill method, then a fungicide application at vine kill is recommended.
Pomology Program Annual Fruit Field Day
Tree Fruits Treasure Valley - Idaho
Posted on: August 26, 2004 by Jerry Neufeld
The University of Idaho Annual Fruit Field Day will be held on Thursday, September 2, 2004 from 9:00 am to 12:30 pm. Several varieties of new table grapes, peaches, nectarines, apples, and plums will be presented during the tour, and participants can taste these fruits. The highlights of the field day are:
1.Presentation and tasting of several types and cultivars of fruits at the main office complex
2.Tour of the U of I comprehensive and modern Fuji and Gala apple irrigation projects and apple rootstock selections, etc…
3.Tour of the alternative fruit crops, including quince, Asian pears, persimmons, and mulberries.
4.Tour of the table grape vineyards, peaches and nectarines, and discussion/questions/ answers on various cultural practices of fruit crops, including planting, pruning, thinning, growth regulators, girdling, irrigation etc.
Where: University of Idaho, Parma Research/Extension Center, in front of the main office complex. Going west on highway 20/26 in Parma, turn right at M&W grocery store, go for about 1/3 miles, turn left on U of I Lane, and go north for about 1 mile.
When: Thursday, September 2, 2004, Starts at 9:00 AM (sharp) until 12:30 PM.
Cost: Free of Charge
Who Can Participate? Open to the Public. Those interested in fruit production, including commercial growers, small-scale growers, alternative fruit growers, home gardeners, Master gardeners, horticultural professionals, extension and research faculty/staff, and horticultural hobbyist are welcome.
For additional information, please call 208-722-6701 Extension 228 OR contact Dr. Essie Fallahi at 208-722-6701 Ext. 225
August 24, Onion Variety Day
Announcements Treasure Valley - Oregon
Posted on: August 23, 2004 by Clint Shock
Friends, This message is to remind you that the Malheur Experiment Station "Onion Variety Day" is August 24 from 9 AM to 1 PM. The location is the OSU Malheur Experiment Station, 595 Onion Ave., Ontario, OR 97914, telephone (541) 889-7057. Lunch will be served (just like last year!).
Clint Shock, Erik Feibert, and Lynn Jensen will be available for any onion related questions. Looking forward to your visit.
Late blight
Potato Eastern Idaho
Posted on: August 23, 2004 by Jeff Miller
Late blight has been confirmed in Power County. The confirmed field is south (upwind) from the focal points previously identified in southwestern Bingham county.
Recent thundershowers have created ideal conditions for late blight. Continue scouting fields and maintain protectant fungicide programs until vine kill.
Pink rot meeting
Potato Eastern Idaho
Posted on: August 20, 2004 by Jeff Miller
An informal lunch meeting (no host) will be held Tuesday August 24 at Melinas in Blackfoot at 12:00. Bill Bohl and Jeff Miller will be discussing new developments in pink rot management and giving an update of pink rot incidence/severity this year. Please contact Jeff Miller with any questions (397-4181 or jsmiller@uidaho.edu).
Late blight
Potato Eastern Idaho
Posted on: August 20, 2004 by Jeff Miller
More fields have been identified with late blight, but they are all close to the original 5 identified focal points (3 in western Bingham county, 1 each in Cassia and Minidoka). Scouts in Bingham county have not found any late blight in the eastern portion of the county.
Recent thunderstorms have significantly increased the risk of late blight spreading to unprotected fields. Growers need to apply fungicides immediately after thundershowers to maintain adequate protection. As fields begin to die, fungicide application intervals can be stretched, but growers need to scout fields to be sure the pathogen does not come in at the end of the season.
If blight is found in a senescing field, the vines in the affected area should be killed. Anything that reduces the time of exposure of tubers to infected vines aboveground will reduce the risk of tuber blight in storage.
spider mites in several crops
Potato Treasure Valley - Idaho
Posted on: August 6, 2004 by Jerry Neufeld
A Simplot fieldman has identified several fields of Russet Burbank potatoes in the Parma area that have significant numbers of spider mites in them and are requiring a border spray. A fieldman from Landview Fertilizer is reporting that spider mites have been found south of Nampa in several garden seed bean fields. Mites are also being found in corn and alfalfa seed fields. High populations of spider mites can significantly damage crops in several days.
corn earworm
Corn Treasure Valley - Idaho
Posted on: August 4, 2004 by Jerry Neufeld
The second generation of corn earworm moths will lay eggs in the silk of corn between 1450 and 1650 growing degree days (GDD). We are currently at approximately 1500 GDD. We will be at 1650 GDD on about August 11. It is important to continue scouting your corn fields for earworm eggs.
corn earworm
All Crops Treasure Valley - Idaho
Posted on: August 4, 2004 by Jerry Neufeld
The second generation of corn earworm moths will lay eggs in the silk of corn between 1450 and 1650 growing degree days (GDD). We are currently at approximately 1500 GDD. We will be at 1650 GDD on about August 11. It is important to continue scouting your corn fields for earworm eggs.
Late Blight
Potato All Locations
Posted on: July 30, 2004 by Nora Olsen/Terry Miller
Late blight has been confirmed in Minidoka County.
Iris Yellow Spot Virus in onions
All Crops Treasure Valley - Oregon
Posted on: July 30, 2004 by Lynn Jensen
Symptoms that appear to be iris yellow spot virus are showing in fields around the Ontario area. Be sure to make sure the onions are not placed in a stressed condition, particularly water stress.
