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Internet Source for Daily Pest Degree-Days and Growing Degree-Days in Illinois
Another new online tool allows users to determine degree-day accumulations for selected pests throughout the season. more

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    No. 12/June 15, 2007 Printer-friendly PDF  
 

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Hot, Dry Pattern Persists Over East-Central Illinois--Good Survivorship and Early Emergence of Corn Rootworm Adults Expected
Hot and dry conditions will speed up the larval and pupal development of many soil insects, including corn rootworms. more

Accurate Identification of Western Bean Cutworm Moths Is Crucial
Moths other than western bean cutworm moths may be caught in western bean cutworm pheromone traps. Accurate identification is critical. more

Japanese Beetle Numbers in Southern Illinois Are Already Alarming
Some corn in deep southern Illinois is almost ready to tassel, and many Japanese beetles can be found in the whorls. The big concern is the beetles' propensity to clip silks. more

Soybean Aphid Numbers Small in Illinois, Unusually Large (This Early) Elsewhere
Given the unusually large numbers of soybean aphids in relatively young plants being found to the northeast of Illinois, everyone in northern Illinois should be examining soybean fields right now for soybean aphids, among other pests. more

Insect Catch-All
Short reports are provided on European corn borers, grape colaspis, white grubs, burrower bugs, and twospotted spider mite. more

Time to Sample for Nematodes in At-Risk Corn Fields
Producers should be sampling for corn nematodes, especially in corn fields with risk factors: corn-on corn, minimal or no tillage, and the absence of nematode-suppressing soil-applied insecticides. more

Request for Waterhemp Samples
A rapid assay is being tested as a diagnostic tool for confirming PPO resistance in waterhemp. Input is sought from anyone who suspects having a resistant waterhemp population. more

Postemergence Herbicide Applications in Soybean: Pull the Trigger or Wait for Rain?
Suggestions are offered about whether to make a first postemergence application of glyphosate in soybean despite dry soil conditions. more

Alfalfa Crown Rot: Time to Renovate or Rotate?
Symptoms along with scouting and control recommendations are described for alfalfa crown rot. more

Soybean Disease Update
Short reports are provided on root rot and damping-off, leaf spots, and soybean rust. more

"Good" Stress or "Bad" Stress?
How dry weather affects corn and soybean development and yield is discussed. more

Regional Reports
Reports are provided this issue for northern, southern, and west-central Illinois. more

 


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