[BOOK|EPUB] Compendium of Soybean Diseases and Pests

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Symptoms appear as brown, circular to irregular spots with narrow reddish brown margins on the leaf surfaces Fig. Cercospora leaf blight 89%, 2007 , downy mildew 96% and 67% , and frogeye leaf spot 60% and 78% were also common in sentinel plots Fig. In some crops their significance is only now becoming apparent with the decline in the importance of other pest groups which can be effectively controlled.

Infected seeds may show discoloration of the seed coat that ranges from small specks to large blotches of light to dark gray or brown. The discussion focuses on biological enhancements, cultural practices, host plant resistance, and pesticide use. Infected seeds may show discoloration of the seed coat that ranges from small specks to large blotches of light to dark gray or brown.

Farmers’ Guide to Soybean Production(Pests and diseases) - The presence of sentinel plots for soybean rust monitoring provided the potential for reducing the time and expense of extensive statewide travel for collection of soybean leaf samples for monitoring the incidence of other foliar diseases of soybean in Illinois. New sections in the fifth edition describe insect pests and their management, summarize the molecular detection of pathogens, and provide an international perspective on the importance of soybean disease management in the world's leading soybean-producing countries.