The 2020 version of PB 1768, Insect Management Recommendations for Field Crops (and pasture), is now available. The guide has gone through substantial revision this year and closely matches the content on the mobile friendly Disease and Insect Field Guides at https://guide.utcrops.com/. Hard copies will be available soon and distributed through county extension offices and at various educational meetings.
Below are the presentations and handout given at the recent public forum on the essentials of growing hemp held at the West TN Research and Education Center on Jan. 14, 2020. Thanks to the Madison County UT Extension agent, Jake Mallard, and the West TN Chapter of the TN Hemp Industries Association for sponsoring the forum.
Diseases, Insects, & Yields – What we saw in 2019 – presentation
Hemp Economics and Marketing – presentation
Cotton – Even for our latest cotton, given an average frost date of around October 15, this is the last week you can likely justify insecticide applications to cotton. Based on average historical temperatures, the last effective bloom date was two week ago. A late flurry of bollworm moth activity has forced some sprays this week, and most folks are electing to Continue reading
Despite a relatively lack luster moth flight, corn earworms (a.k.a. bollworm or soybean podworm) are showing up in some late maturing soybean fields, and as usual the action in centered in the river bottom. The treatment threshold for corn earworm is based on sweep net sampling and using the table below. Continue reading
I don’t think I have had a call about soybean all week, but my observations suggest we need to be scouting for stink bugs in our earliest beans, and in some areas, kudzu bugs. Thus far, caterpillar infestations have been very light. As the bollworm flight increases, closely scout for corn earworm in Continue reading