Browsing NYS IPM Project Reports by Author "Hajek, Ann"

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2004 Progress Report to the Northeast Soybean Promotion Board - 4/15/04 – 4/14/05

Losey, John; Waldron, Keith; Hajek, Ann; Allee, Leslie (New York State IPM Program, 2004)

1. Evaluate soybean yield loss at different aphid densities in a field cage experiment and in field surveys in order to define an economic injury level (EIL) for New York. 2. Conduct a survey of soybean variety trials to ...
Comparison of Soybean Aphid Abundance and Yield Impact on NY Soybean Varieties and Survey of Soybean Aphid Natural Enemies, 2002

Losey, John; Waldron, Keith; Hajek, Ann; Allee, Leslie L. (New York State IPM Program, 2002)

Weekly surveys for soybean aphid were conducted in five locations from July 7th through September 10, 2002 by summer assistants Lee Macomber and Megan Edlund in soybean variety trials that included 50 varieties. Several ...
Evaluation of Economic Injury Level, Biological Control, and Host Plant Resistance for Soybean Aphid in NY

Losey, John; Waldron, Keith; Hajek, Ann; Allee, Leslie (New York State IPM Program, 2005)

Objectives: 1. Evaluate soybean yield loss at different aphid densities in a field cage experiment and in field surveys in order to define an economic injury level (EIL) for New York. 2. Conduct a survey of soybean variety ...