How To Maintain Insect-Free Cole Crops

Insect-Free Cole Crops

Managing insect pests in cole crops presents unique challenges because of the variety of pests involved and the diversity of the crops themselves. Complicating things further, various pests show their presence at different times during the growing season (see “Insect Pests Of Cole Crops” chart). Overall, a key to effective pest management is regular scouting of the crop to determine pest presence and abundance.

At least five different areas of the field should be chosen, and 10 to 20 plants inspected for pests and/or damage. In addition, yellow sticky traps placed in and around cole crop fields early in the growing season can alert growers to the presence of cabbage maggot flies and flea beetles.

Traps should be changed at least weekly. Another valuable scouting tool is pheromone trapping. Pheromones are scents produced by female moths that attract males for mating. Synthetically produced pheromones can be purchased and used in traps to assess the presence and abundance of diamondback moths and cabbage looper. Yellow sticky traps and pheromone traps and lures may be purchased through several sources, including Great Lakes IPM, Gemplers, and others.

Stay On A Schedule

Regular scouting helps growers determine when pests are at threshold. The treatment threshold is the pest population level at which control measures must be initiated to prevent economic damage. Treatment threshold usually varies with crop type and growth stage. Thresholds have not been determined for every pest. For example, there are no treatment thresholds for flea beetles or onion thrips. In these cases growers can use their judgment when evaluating crops.

An integrated approach to insect pest control makes use of all effective control strategies in a complementary way (see “Take Control Of The Pests In Your Cole Crops” chart). Cultural control methods (crop rotation, resistant varieties, trap cropping, etc.) can reduce pest numbers and reduce or eliminate the need for insecticide application. When necessary, insecticides should be chosen carefully, so as not to impact biological control agents.

 

Leave a Reply

2 comments on “How To Maintain Insect-Free Cole Crops

Featured Stories
cash money in hand
GenNext Growers
January 17, 2017
9 Financial Resolutions to Boost Your Farm’s Bottom Line
If a goal for the new year includes increasing profitability, there are ways you can better manage your business. Read More
agriculture data graphic
Farm Management
January 17, 2017
Will Big Data Yield Big Returns for Farmers?
Modern tools of hort tech are ripe to inspire the next generation of productivity and profitability. Read More
Mobile technology farming
Citrus
January 17, 2017
The Future of Agriculture is in Your Hands — Literally [Opinion]
Can farmers actually reach the point of having too much information? Read More
Case IH autonomus tractor
Equipment
January 17, 2017
Agricultural Robots No Longer Science Fiction
New automated technologies could help specialty crop growers deal with labor crisis. Read More
Citrus
January 16, 2017
First Bee in Continental U.S. Listed as Endangered Species
Rusty patched bumble bee receives protection from activities that could cause it to go extinct. Read More
Fruits
January 16, 2017
Pollination Experts Host Webinar Series
Fruit and vegetable growers can prepare for spring by hearing about recent pollination research. Read More
Example of how farmers can use iPads to track data around his operation
Citrus
January 16, 2017
Precision Agriculture and Big Data Gaining Traction Fast
Specialty crop adoption of hort tech to usher in new efficiencies and transparency. Read More
Crop Protection
January 16, 2017
Monsanto, NRGene Enter Agreement for Big Data Genomic Analysis Technology
Technology platform is designed to help Monsanto analyze, store, and mine its genomic data sets to enhance breeding and R&D opportunities. Read More
a firm handshake signifies a done deal
Apples & Pears
January 16, 2017
Earl Brown & Sons Sold to Washington Fruit Grower
Foreman family purchases Oregon’s largest grower, packer of fresh apples. Read More
Urban vegetable farm in rural Cuba
Citrus
January 15, 2017
New Transitional Certification Program to Foster Organic Growth Receives USDA Approval
The program will be based on standards developed by the Organic Trade Association. Read More
The Latest
GenNext Growers
January 17, 2017
9 Financial Resolutions to Boost Your Fa…
If a goal for the new year includes increasing profitability, there are ways you can better manage your business. Read More
Farm Management
January 17, 2017
Will Big Data Yield Big Returns for Farm…
Modern tools of hort tech are ripe to inspire the next generation of productivity and profitability. Read More
Citrus
January 17, 2017
The Future of Agriculture is in Your Han…
Can farmers actually reach the point of having too much information? Read More
Equipment
January 17, 2017
Agricultural Robots No Longer Science Fi…
New automated technologies could help specialty crop growers deal with labor crisis. Read More
Citrus
January 16, 2017
First Bee in Continental U.S. Listed as …
Rusty patched bumble bee receives protection from activities that could cause it to go extinct. Read More
Fruits
January 16, 2017
Pollination Experts Host Webinar Series
Fruit and vegetable growers can prepare for spring by hearing about recent pollination research. Read More
Citrus
January 16, 2017
Precision Agriculture and Big Data Gaini…
Specialty crop adoption of hort tech to usher in new efficiencies and transparency. Read More
Crop Protection
January 16, 2017
Monsanto, NRGene Enter Agreement for Big…
Technology platform is designed to help Monsanto analyze, store, and mine its genomic data sets to enhance breeding and R&D opportunities. Read More
Apples & Pears
January 16, 2017
Earl Brown & Sons Sold to Washington…
Foreman family purchases Oregon’s largest grower, packer of fresh apples. Read More
Citrus
January 15, 2017
New Transitional Certification Program t…
The program will be based on standards developed by the Organic Trade Association. Read More
Apples & Pears
January 14, 2017
Washington State University Researchers …
A study by researchers at Washington State University offer cider apple harvesting and storage recommendations for growers. Travis Alexander, Jaqueline Read More
Citrus
January 13, 2017
Vilsack Bids Fond Farewell in Early Exit…
With no clear-cut replacement in sight, U.S. agriculture secretary leaves one week before his term officially ends. Read More
Insect Control
January 13, 2017
3 Ways to Save Your Vegetable Crops From…
An integrated approach is key to managing this destructive pest. Read More
Citrus
January 12, 2017
Season’s First Slip Seen In Latest Flori…
Despite slight drop in Valencias, silver linings found. Read More
Potatoes
January 12, 2017
NPC’s 2016 Environmental Stewardship Awa…
The farm plants a rotation of potatoes, barley, wheat, and alfalfa to reduce pest pressure and uses IPM techniques throughout the farming operation. Read More
Insect & Disease Update
January 11, 2017
Florida Citrus Growers get Another Bacte…
EPA Section 18 re-issued for treatment of HLB-infected trees. Read More
More Vegetables
January 11, 2017
Taste for Locally Grown Asian Veggies Tr…
Team of researchers probe expanding potential for niche market profitability. Read More
Vegetables
January 11, 2017
What Worries Vegetable Growers, in their…
We asked growers which issues were the most worrying for them. Here is a sampling of what you had to say. Read More