The word ‘cutout’ is synonymous with NAWF5 and occurs when a field averages 5 or fewer nodes above the uppermost first-position white flower. Many fields have reached or past cutout in the past week. The white blooms present at cutout represent the last group of bolls that will Continue reading
The redbanded stink bug is a more infamous stink bug in the Gulf States, but after a couple of warm winters, this soybean pest can find its way into Tennessee. This has happened once before in the last 15 years, and based on observations to our south, I’m betting we will Continue reading
As our moth flight picks up, we need to be very aware about corn earworms (bollworm) infestations in soybean. It can be very destructive. Infestations most often occur in late maturing fields. Moths are most attracted to beans during R1 – R3 (early flowering), and open canopies really turn them on. Typically, problems are worse in the Continue reading
Reports continue to indicate moderate but variable infestations of TARNSIHED PLANT BUG in cotton. It’s time to switch over to drop cloth samples in most fields. The drop cloth is a preferred method of sampling for immatures, and remember the recommended treatment threshold is an average of Continue reading
Just a quick update … sugarcane aphids are now present statewide at some level, and there are some fields where treatment of grain, forage or sweet sorghum is needed. As for insecticide options, only Sivanto prime is labeled for use. The label in grain and sweet sorghum allows application at rates up to 10.5 oz/acre, however, I suggest a rate of 4 oz/acre. I’ve had excellent success with this rate.
Haywood County – Monday morning, July 17, 9:00 AM (Robert Thornton Farm, GPS: 35.469042, -89.397213). Location is field side on US-70/US-79/TN-1/1st St E approximately 1/4 mile north of Stanton, TN Link to Flyer
Henry County – Friday, July 21, 9:30 AM (Norwood Farms, 645 Norwood Road, Mansfield, TN) Link to Flyer
There have been no reports of stink bugs in cotton and populations in soybean remain unusually low. There have been some reports of spider mites and aphids in some cotton fields, but it is an increase in plant bugs numbers that is the most obvious change this week. Infestation levels are variable, but a higher numbers of adults and a few nymphs are present in many fields. This includes both tarnished plant bug and clouded plant bug in some areas. Below are a few reminders and suggestions for the coming 2-3 weeks. Continue reading
This is an update of an article from last year as a reminder about managing kudzu bug infestations in soybean.