Cabbage Strawberry Processing Tomato Transplants White Mold on Cabbage
Continue reading...May 17, 2013 Mark VanGessel
Pokeweed is Poking Up in a Lot of Corn Fields
by Mark VanGessel, Extension Weed Specialist; mjv@udel.edu I have seen a number of corn fields with pokeweed emerging along field edges or in patches. These areas should be sprayed before the plants are 10 to 12 inches tall and as result may require some spot applications before the whole fields need to be treated for […]
Continue reading...May 17, 2013 Mark VanGessel
Corn Herbicides and Soil Insecticide Interactions
by Mark VanGessel, Extension Weed Specialist; mjv@udel.edu A number of corn herbicides have label precautions about use of an organo-phosphate insecticide at planting due to potential crop injury. This includes the insecticides Counter (terbufos), Lorsban (chlorpyrifos), and Fortress (chlorethoxyfos). The herbicides include both soil-applied and postemergence herbicides. Some of the common products include Callisto (Halex GT); […]
Continue reading...May 17, 2013 Mark VanGessel
Burndown for No-Till Soybeans at this Time
by Mark VanGessel, Extension Weed Specialist; mjv@udel.edu If no-till soybean fields have not been sprayed yet, we are facing an uphill battle. Most of the horseweed (or maretail) is now well over 6” tall, and so are a lot of the other winter annual weeds.
Continue reading...May 17, 2013 Andy Wyenandt
Vegetable Disease Update – 5/17/13
This past week there were a few reported cases of bacteria causing problems in tomato transplants, along with an isolated case of pith necrosis from the field as well as bacteria causing issues in strawberry. There have been no reports of late blight or cucurbit downy mildew in the region to date.
Continue reading...May 17, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 5-17-13
5-17-13 Tomato Report – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]
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