Research report to the Oregon Processed Vegetable Commission

PI Ed Peachey
OSU Dept. of Horticulture

Co-PI Tim Waters
WSU

Executive Summary

Experiments in Corvallis, OR...


Research report to the Oregon Processed Vegetable Comission

Ed Peachey
OSU Department of Horticulture

EXECUTIVE SUMMARY
Despite the availability of several herbicides in table beets, weed...


Research report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture
 

The objective of this research was to determine best use patterns for Upbeet herbicide considering factors of...


Research report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Department of Horticulture

The objectives were to evaluate crop safety and weed control with fomesafen (Reflex, not a registered treatment)...


Research report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Department of Horticulture

Weed interference is a major, ongoing pest problem in sweet corn and a diverse community of weeds persists until...


Ed Peachey (OSU Dept. of Horticulture)

Objectives: Continue evaluating sweet corn tolerance to POST applied HPPD herbicides.


Ed Peachey (OSU Dept. of Horticulture)

Objective:
Determine the efficacy and crop safety of herbicides on garden beet, spinach, and chard for the control of weeds.


Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

George Clough
OSU Hermiston Ag Exp Station

Objectives:

  1. Determine sweet corn tolerance to HPPD...

Research Objectives
1. Determine the potential of controlling nutsedge in sweet corn with HPPD herbicides in combination with other products.
2. Determine sweet corn tolerance to HPPD herbicides combined with chloroacetamide...


Project Leader: Ed Peachey, Horticulture Department, OSU
Cooperators: Alex Stone, Horticulture Department, OSU, Cook Farms, Albany, OR

Objectives
1. Develop strategies to manage weeds in newly constructed wildlife habitat...


Mohler, C., 2010. Planning for Flexibility in Effective Crop Rotations. eOrganic webinar. Available at: https://eorganic.org/node/5127


Report to the Oregon Processed Vegetable Commission

Ed Peachey and Alysia Greco
OSU Dept. of Horticulture

Chris Boerboom, University O Wisconsin, Madison, WI
Marty Williams, USDA, Champaign-Urbana, Ill
Rick...


Report to the Oregon Processed Vegetable Commission

Ed Peachey and Alysia Greco
OSU Dept. of Horticulture

Chris Boerboom, University O Wisconsin, Madison, WI
Marty Williams, USDA, Champaign-Urbana, Ill
Rick...


Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Objective:

  1. Evaluate the potential of controlling hairy nightshade with tankmixes of ethofumesate and s-metolachlor and...

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

SUMMARY:

  • Impact and Laudis herbicides were evaluated for wild proso millet and broadleaf weed control in sweet corn....

Weed management in table beets has improved with the recent registration of Dual Magnum. Hairy nightshade control continues to be a challenge, however. Nortron (ethofumesate) herbicide is now labeled for use and will help with nightshade...


Report to the Oregon Processed Vegetable Commission

Clark Seavert
NWREC Center Director & agricultural economist

Ed Peachey
OSU Dept of Horticulture

Dan McGrath
OSU Dept of Horticulture,...


Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Objectives:

  1. Evaluate Impact herbicide efficacy, crop tolerance, and carryover.

Report to the Oregon Processed Vegetable Commission

Ed Peachey and Bob McReynolds
OSU Dept. of Horticulture

Objective:

  1. compare crop tolerance of carrots and parsnips to two soil and early postemergent...

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Summary

Weed management is a continual challenge to Oregon table beet growers. Research over the last...


The objectives of this project were to evaluate the efficacy of common row crop herbicides for control of puncturevine, and determine the effect of post harvest weed management strategies on hairy nightshade seed development.


corn

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Objective:

  1. Compare tolerance of sweet corn to Option (formasulfuron) herbicide.

beets

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Objective:

  1. determine the potential of using Dual Magnum herbicide for weed control in table beets.
  2. evaluate...

beans

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

 


John Luna and Mary Staben. 2003. Using strip tillage in vegetable production systems in Western Oregon. Oregon State Extension Series # EM 8824.

On-farm research conducted in the Willamette Valley from 1996 to 2001 to compare strip...


corn

1. Irrigation level effects on sweet corn growth, yield, and root rot

2. Wild Proso Millet (WPM) control

3. Survival and emergency of WPM


beans

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture


1. Efficacy of Vapam for control of weeds, insects and diseases in sweet corn

2. Impact of irrigation level on corn and disease

Cooperators:

Dwight Ediger, Dayton farmer
Glenn Fisher, Entomology...


Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Robert McReynolds
OSU NWREC Aurora

Rebecca Sisco
WR IR-4 project, Davis, CA

Objective:

  1. ...

  • Weed control was less and crop injury more with the split application (PES/POST) of Outlook than the full rate of Outlook applied preemergence.
  • Weed control was exceptional with Outlook (dimethenamid) applied PES at 0.054 lbs...

Report to the Oregon Processed Vegetable Commission

Mary Powelson
OSU Dept. of Botany and Plant Pathology

Jim Meyer
OSU Dept. of Horticulture

Cindy Ocamb
OSU Dept. of Botany and Plant Pathology...


PROJECT OBJECTIVES

  • Evaluate agronomic aspects associated with strip-till production: specifically machinery improvement, seed-bed preparation quality, corn stand establishment, insect pest abundance, soil moisture, sweet corn yield...

 Objectives:

  • Herbicide effects on snap bean emergence, growth and root health (Corvallis)
  • Influence of timing, rate, surfactant, and Basagran on tolerance to Imazamox (Corvallis)
  • Weed control with...

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Carol Mallory-Smith
OSU Dept. of Crop and Soil Science

Objectives:

  1. Goal impregnated fertilizer for weed...

These results are consistent with research in 1996-98: imazamox could be used postemergence in snap beans at 0.024 lbs ai/A with little risk of yield reduction. Imazamox adequately controls pigweed, nightshade, and many grass weeds at this...


Imazamox could be used postemergence in snap beans at 0.024 lbs ai/A with little risk of yield reduction provided it is applied at or after the 4' trifoliate. Imazamox adequately controls pigweed, nightshade, and many grass weeds at this timing...


Objective:

  • The objective of the trial was to collect samples of broccoli grown in plots to which pendimethalin had been applied. The samples were to be analyzed in order to establish the level of the herbicide remaining at harvest in...

Report to the Oregon Processed Vegetable Commission

Ed Peachey
OSU Dept. of Horticulture

Carol Mallory-Smith
OSU Dept. of Crop and Soil Science

Objectives:

  • Weed Control With Goal Impregnated...

Objectives

  • Compare potential of fertilizer impregnated with Goal and pyridate (Tough herbicide) for postemergence weed control in direct seeded broccoli and cauliflower.
  • Evaluate impact of soil moisture and tillage schedule on...

Objectives:

Evaluate Surpass (acetochlor), Frontier (dimethenamid), Tough (pyridate), and Accent (nicosulfuron), for weed control and crop tolerance, and develop appropriate weed control programs to minimize impact of atrazine tolerant...


Objectives:


Evaluate potential of using fertilizer impregnated with Goal for weed control in seeded
broccoli and cauliflower.


Improve weed control efficiency of Goal on transplanted cauliflower.


Objectives:

Evaluate herbicides with near term availability such as dimethenamid, acetochlor, and nicosulfuron for both weed control efficiency and effect on sweet corn growth.

Determine tolerance of sweet corn to propane flaming...


Objective:

Evaluate the interaction of cereal residue management with weed emergence and growth, white mold incidence and snap bean yield


Report to the Oregon Processed Vegetable Commission

Ed Peachey, Ray Williams, and John Luna
OSU Dept. of Horticulture

Introduction:

Limited herbicide options and the tentative state of registration for Ronilan...


Report to the Oregon Processed Vegetable Commission

Ed Peachey, Duongporn Sawanagal, Garvin Crabtree, and Ray William
OSU Dept. of Horticulture

Abstract:

In 1994 we focused on three aspects of vegetation management...


bean

Report to the Oregon Processed Vegetable Commission

Ed Peachey, Ray Williams, and John Luna
OSU Dept. of Horticulture

Limited herbicide options and the tentative state of registration for Ronilan fungicide in snap bean...


corn

Report to the Oregon Processed Vegetable Commission

Deby Boquist
Ed Peachey
Gavin Crabtree
OSU Dept. of Horticulture

Continued use of atrazine for weed control in sweet corn has led to the evolution of...


beans

Report to the Oregon Processed Vegetable Commission

Ray William
OSU Dept. of Horticulture

Objectives:

  1. Complete analysis and summary of line source trials 1987-1991.
  2. Continue bean tolerance...

beans

Report to the Oregon Processed Vegetable Commission

Ray Williams, Garvin Crabtree, Debra Boquist, Steven Eskelsen, and Ed Peachey
OSU Dept. of Horticulture

Research trials established in 1991 evaluated several weed...


corn

Report to the Oregon Processed Vegetable Commission

Clint Shock, Erik Feibert, and Monty Sanders
OSU Malheur Experiment Station

Bob Trent
Crookham Seed Company

Objective:

  1. The effects...

beans

Objectives: To determine the effect of row spacing and weed management on snap bean production.


beans

Objectives
Peas:

  • Evaluate weed control efficacy and crop tolerance of Cobra on processing peas.
  • Evaluate combinations of MCPA amine, Basagran, Poast and crop-oil for weed control efficacy and crop tolerance in ...

tractor

Report to the Oregon Processed Vegetable Commission

Dan Curtis and Ray Williams
OSU Dept of Horticulture

R. Rackham
OSU Benton County Extension

Peas tolerated most herbicides evaluated in three field trials...


carrots

Report to the Oregon Processed Vegetable Commission

Garvin Crabtree
OSU Dept. of Horticulture

Objectives:

  1. look for alternatives to the use of linuron (Lorox) in anticipation of the possible loss of the ...

corn

Report to the Oregon Processed Vegetable Commission

Dan Curtis and Ray Williams
OSU Dept of Horticulture

Objectives:

  1. To identify weed management strategies that suppress wild proso millet below thresholds that...

beans

Report to the Oregon Processed Vegetable Commission

Dan Curtis, Ray Williams, Garvin Crabtree, and Dan McGrath
OSU Dept of Horticulture

Recent shifts in the weed control program associated with snap bean production...


broccoli

Report to the Oregon Processed Vegetable Commission

Garvin Crabtree
Bill Mansour
OSU Dept of Horticulture

Objectives:

  1. Determine the potential selective herbicidal activity of three nitrogen-...

corn

Report to the Oregon Processed Vegetable Commission

Bill Braunworth, Daniel Curtis, Dan McGrath, and Garvin Crabtree
OSU Dept of Horticulture

Objective:

  1. Refinine application timings and rates of the herbicides...

beans

Report to the Oregon Processed Vegetable Commission

Bill Braunworth, Daniel Curtis, Dan McGrath, and Garvin Crabtree
OSU Dept of Horticulture

Objectives:

  1. Obtain data on the weed control efficacy and crop...

broccoli

Grower interest in nitrogen fertilizer sprays for weed control has raised questions about the relative effectiveness of various materials and the contribution these materials make toward the nitrogen nutrition of the crop. A research program...


carrots

Report to the Oregon Processed Vegetable Commission

Bill Braunworth
D. Curtis
Dan McGrath
Gavin Crabtree
OSU Dept. of Horticulture

Objectives:

  1. Obtain data on the weed control...

corn

Report to the Oregon Processed Vegetable Commission

Bill Braunworth, Garvin Crabtree, Phil Diener, and Dan McGrath
OSU Dept of Horticulture

Objectives:

  1. Obtain data on the weed control efficacy and crop...

beans

Report to the Oregon Processed Vegetable Commission

Bill Braunworth
Garvin Crabtree
Phil Diener
Dan McGrath
OSU Dept. of Horticulture

Objectives:

  1. Obtain data on the weed control...

Crop protection with floating row covers interferes with tillage or other means of weed control. Therefore, herbicides or ground mulch are the likely means of weed control under covers. A successful weed control program depends on...


Research report from OSU's North Willamette Agricultural Research and Extension Center

Delbert Hemphill and Bob Mcreynolds
OSU Dept of Horticulture, NWREC

The major cultural problem in overwintered onion production is weed...


The major cultural problem in overwintered onion production is weed control. Onions are a slow-growing crop which competes poorly with weeds. Since the crop is in the ground for eight or nine months, and cultivation is nearly impossible during...


Overwintered vegetable crops, planted in July through October and harvested the following spring, offer several advantages to both fresh market and traditional row crop growers.

The first is that these crops provide possible...


corn

Report to the Oregon Processed Vegetable Commission

K.Peterson, R. McReynolds, R. William, and Bill Braunworth
OSU Dept of Horticulture

Wild proso millet infests about 4,000 acres in the Willamette Valley. This represents...


tractor

Report to the Oregon Processed Vegetable Commission

Raquel Fernandez and Myron Shenk
OSU

Objective:

In the greenhouse and in the field

  1. Study the influence of seeding depth on the development of the...

Overwintered onions in the Willamette Valley are seeded in early September and harvested in the following spring or summer. Obtaining strong and early growth in the spring is essential to achieve large bulb size and profitable yields. However...


Research report from OSU's North Willamette Agricultural Research and Extension Center

Delbert Hemphill
OSU Dept of Horticulture, NWREC

Shallots can be planted in October for harvest the following summer. A major problem...


In northern states, spinach is normally planted in early spring for late spring harvest or in summer for autumn harvest. Spring plantings are often limited by the difficulty of working cold, wet soils and many cultivars bolt in the long...


Source

Weed 'Em and Reap Part 1: Tools for non-chemical weed management in vegetable cropping systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available for purchase at:...


Source

Weed 'Em and Reap Part 2: Reduced tillage strategies for vegetable cropping systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source

Weed 'Em and Reap Part 2: Reduced tillage strategies for vegetable cropping systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source:

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


Source

Weed 'Em and Reap Part 1: Tools for Non-Chemical Weed Management in Vegetable Cropping Systems [DVD]. A. Stone. 2006. Oregon State University Dept. of Horticulture. Corvallis, Oregon. Available at:...


This is a Weed 'Em and Reap Part 1 video clip. Featuring Rob Heater, Stahlbush Island Farms. Corvallis, OR. Audio Text This is what we call an in-row cultivator. It’s built on to a Buffalo cultivator, which is made in the Midwest, I think back in...


This is a Weed 'Em and Reap Part 1 video clip. Featuring Jeff Falen, Persephone Farm. Lebanon, OR. Audio Text


Objectives:


Determine most efficient use rates of Cobra with Dual to minimize crop injury and maximize weed control.

Assess tolerance of snap beans to herbicides such as Cobra, Dual, Frontier and commonly used tank mixes...


Skelton, E., 2009. Weed Seeds Commonly Found in Specific Vegetable Crops. eOrganic article. Available at http://www.extension.org/article/18445.


Colley, M., A. Stone, and L. Brewer, 2009. Weed Management in Organic Seed Production. eOrganic article. Available at http://www.extension.org/article/18659.


Curran, W., and M. Ryan, 2010.  Using cover crops to suppress weeds in Northeast US farming systems Webinar by eOrganic. eOrganic webinar. Available at https://eorganic.org/node/5620


Andrews, N. and B. Baker, 2009. Can I Use This Input on My Organic Farm?. eOrganic article. Available at http://www.extension.org/article/18321.