What is in this article?:
- Insect control season winding down in Alabama cotton, soybeans
- Light insect year
• We need to protect bolls on June-planted cotton from stink bug injury until the bolls are approximately 25 days old.
• Late-planted, June to early July, soybeans will be susceptible to stink bug feeding for several more weeks.
The Alabama row crop insect control season is rapidly winding down, with only a few areas of concern.
The only areas that need attention for a few more weeks would be as follows.
We need to protect bolls on June-planted cotton from stink bug injury until the bolls are approximately 25 days old. We still have plenty of time left in the season to mature small bolls that are present from blooms the last week of August.
On soybeans, stink bugs continue to reproduce and feed on pods. Late-planted, June to early July, soybeans will be susceptible to stink bug feeding for several more weeks.
Stink bug adults will leave other crops when they mature and seek out late planted soybeans as their last host before heading for over-wintering sites. I expect to see high numbers of stink bugs in many of these late maturing soybean fields.
The good thing is that one application to economic levels of stink bugs in both cotton and soybeans made now should hold populations below damaging levels for the remainder of the season.
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Stink bug populations currently contain both the brown and southern green species. A high rate of most pyrethroids on soybeans should give adequate suppression.
Kudzu bug adults are still present in many soybean fields, but they are not as numerous in most fields as they were back a month or so ago. Their numbers seemed to have peaked in April- and May-planted beans back in the late-June to early-August window.