Below are the results of a spider mite trial sprayed last week in Gibson County (40 PSI, 10 GPA, FF80015). Ratings were taken 4 and 7 days after application. Continue reading
05
Jul
2012
All posts by Scott Stewart, West TN Research & Education Center
29
Jun
2012
Is it Worth Spraying Non-Bt Corn for Corn Borers?
29
Jun
2012
Of course, the answer to this question depends on several things ….. Continue reading
27
Jun
2012
Spider Mites on the Increase
27
Jun
2012
The call of the week has been about spider mites in cotton. The hot, dry conditions are ideal for spider mites and worsens their potential impact on the crop. UT recommends treatment when 30-50% of plants are showing signs of injury and Continue reading
22
Jun
2012
Helpful Guidelines for Plant Growth Regulator Use on Cotton
22
Jun
2012
This article was prepared by Dr. Chris Main, former Cotton Extension Specialist.
Plant growth regulators. Many cotton acres are planted to new varieties in 2012 and producers do not have much experience with PGR applications to these new varieties. Continue reading
21
Jun
2012
Southwestern Corn Borer Flight Begins
21
Jun
2012
Based on moth trap catches, the second generation flight of southwestern corn borers (SWCB) is already beginning at some locations. This second generation will pose a threat to non-Bt corn and an even greater threat to any relatively late planted corn. This threat will be mostly isolated to places where there was a substantial first generation moth flight. Continue reading
21
Jun
2012
Are Plant Bugs Looming?
21
Jun
2012
Yes, I would expect tarnished plant bug activity in cotton to pick up over the next several weeks. Plant bug infestations have been average at best in most locations over the previous two weeks. However, we’ve observed many plant bugs in Continue reading
20
Jun
2012
Soybean Scout Schools in July
20
Jun
2012
Mark your calendars for Soybean Scout Schools in West and Middle Tennessee. The tentative schedule is listed below. More details will be announced later. This is your opportunity to learn more about crop and pest management in a hands-on program that last 1.5 – 2 hours. Continue reading
19
Jun
2012
Stink Bugs in Soybean and R3 Insecticide Sprays with Fungicide
19
Jun
2012
- Green Stink Bug
Stink Bugs. Thus far stink bug populations in soybean appear to be relatively low. In particular I have not seen or heard many reports of green stink bugs, which is usually our primary species. At this time of year, they often concentrate in the earliest soybean fields (those setting pods).
Our treatment threshold for stink bugs in soybean changed a couple of years ago. UT now suggests a threshold of 36 stink bugs per 100 sweeps from R1 to R7 . Continue reading