Browsing by Author "Speese, John"
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- Bt Sweet Corn: What Is It and Why Should We Use It?Barlow, Vonny M.; Kuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-17)This publication reviews Transgenic Bt sweet corn hybrids which are a genetically modified organism (GMO) that are the result of combining commercially available sweet corn varieties with genes from a naturally occurring soil bacterium called Bacillus thuringiensis Berliner or Bt.
- Chemical Control of European Corn Borer in Bell PepperBarlow, Vonny M.; Kuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-29)Ranks the European Corn Borer as a major pest of agricultural crops particularly bell peppers, and makes recommendations of insecticides for prevention and control.
- Colorado Potato BeetleKuhar, Thomas P.; Speese, John; Day, Eric R.; Cordero, Roberto J. (Virginia Cooperative Extension, 2005-09-01)Describes the Colorado Potato Beetle, its life cycle, and notes the kinds of plants it eats, and describes the damage and methods of control.
- Controlling Bean Leaf Beetle on Snap BeansKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-16)Describes damage to snap beans (Phaseolus vulgaris) caused by Bean Leaf Beetles (Cerotoma trifurcata), and recommends insecticides for controlling this crop pest.
- Cruiser 5FS: Supplemental Label for Use on Edible BeansKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-30)Provides information about labeling requirements for the insecticide Cruiser 5FS with active ingredient Thiamethoxam, and its usage in seed treatment for beans.
- Cucumber Beetle Management in MelonsKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-21)Describes Cucumber Beetle damage to melons, and management methods for controlling this pest.
- Management of Aphids in SpinachKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009)Describes aphid damage to spinach, and examines effective means of chemical control, including concerns about aphid resistance to certain insecticides, and killing beneficial predators and parasitoids.
- A Powerful New Insecticide for the Organic GrowerKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-27)Entrust contains the active ingredient spinosad, which is in the naturalyte class of chemistry. Spinosad is a fermentation product produced by the soil-dwelling actinomycete Saccharopolyspora spinosa. Actinomycetes are microorganisms that have characteristics of both bacteria and fungi. This publication reviews the uses for this insecticide.
- Sampling for European Corn Borer in Bell PepperBarlow, Vonny M.; Kuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009)Discusses sampling methods such as monitoring egg masses to assess population density of European Corn Borer on bell pepper plants and then to decide if application of insecticides is needed.
- Scouting for Wireworms before Planting VegetablesKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009)Describes methods for finding wireworms in soils, evaluating potential for problems, then deciding methods of control.
- Seed-Piece Treatments for Insect Control in PotatoesKuhar, Thomas P.; Speese, John (Virginia Cooperative Extension, 2009-07-21)In the 2001 growing season at the Eastern Shore Agricultural Research and Extension Center near Painter, VA, we evaluated Gaucho and Admire for control of Colorado potato beetle (CPB) on 'Superior' Irish potatoes. This publication reviews and evaluates three different treatments.
- Wireworm Pest Management in PotatoesKuhar, Thomas P.; Doughty, Hélène; Speese, John; Reiter, Sara (Virginia Cooperative Extension, 2008)Describes wireworms, their general biology and life cycle, their damage to potatoes and other plants. Discusses ways of predicting wireworm damage, and methods of control.