Cotton
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From Doc Bob-K: “We are in the ‘thick of it’ as far as diseases go for corn, peanuts, cotton, and soybeans. The weather, now the rising temperatures, and the development of the crop are near-perfect for disease development and rapid spread. 1. Soybean rust confirmed (easily confirmed) in Sentinel Plots (soybeans now, not just kudzu)…
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Halfway through the month, have had some of questions on PGR timing and rates lately. Also a few calls about irrigation as we enter a time when much of our cotton is at peak water usage. Please check out newsletter below covering these topics as well as: insect scouting, weather update, and target spot info.…
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Been watching aphid populations build in cotton steadily for a month or so now. Reports are now coming in that the aphid fugus, Neozygites fresenii, has been spotted. Dr. Philip Roberts, UGA Cotton Entomologist, mentions that this should cause their numbers to crash in his latest “Pest Patrol Update” which can be listened to at…
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UGA Cotton Entomologist, Dr. Phillip Roberts briefly discusses the importance of scouting cotton for boll retention, the level of tarnished plant bugs currently observed in earlier planted fields, and sweep net thresholds in the latest “Pest Patrol” Update (4:07 minute runtime). We want to maintain boll retention at 80% or higher. Thresholds at: 1st two…
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Forage Team Newsletter-Click Here Cotton Team Newsletter-Click Here Georgia DairyFax Newsletter-Click Here
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Scout School – Dr. Phillip Roberts: “Insect scouting schools will be conducted on June 7, 2021 in Tifton and June 15, 2021 in Midville. Crops to be covered include cotton, peanuts, and soybean. These programs offer basic information on insect pest identification and damage, natural enemies, and scouting procedures. The training will serve as an…
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Have been seeing white-lined burrower bugs crawling around, in large numbers, a few peanut fields but mostly cotton fields with volunteer peanuts. These are not considered pests in these crops. Their populations will decrease as we enter the summer. Lots of mortality in this insect can already be seen – most likely due to lack…
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Been seeing multiple fields with thrips (blurry pic to left-above), upwards of 3-4 per plant. Heavy feeding on the first true leaves will cause crinkling (right pic above) and heavy infestations can lead to to stunted plants/delayed maturity. Threshold for systemic foliar insecticides is 2-3 thrips per plant with immatures present. Dr. Bob K commenting:…
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Brief diagnosis via Dr. Bob K. from a Cotton Field in Grady Co: “[In pic to left] not only is the cotton ‘falling over’ but is skippy. This becomes a math equation. Cool weather + wet weather + young ‘skippy’ cotton + young cotton ‘falling over = ??’ I know many of you are saying…
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Articles in this month’s issue include: Temperature and early-season crop growth (John Snider, Gurpreet Virk, and Camp Hand) Protecting cotton from early-season diseases and nematodes – not quite the same as in your peanut crop (Bob Kemerait) Benghal dayflower aka Tropical spiderwort is already up! (Stanley Culpepper) Early season irrigation requirements for cotton production (Wes…