Start Date

1-12-2009 12:00 AM

Description

In recent years, growing concern about invasive pests such as soybean aphid (Aphis glycines) and soybean rust (Phakopsora pachyrhizi) has led to dramatic increases in pesticide use on soybean. Both pests pose a serious threat to the industry, with untreated outbreaks of soybean aphid capable of reducing yields by 14-50% and reports of soybean rust resulting in yield losses of 10-80%. Many agribusinesses are now offering growers a pest management program emphasizing a calendar-based, co-application of a fungicide-insecticide tank mix. However, it is unclear if these co-application methods exhibit improvement upon current recommendations, which apply pesticides only when needed.

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Dec 1st, 12:00 AM

Impact of fungicide-insecticide tank mixes on soybean in Iowa

In recent years, growing concern about invasive pests such as soybean aphid (Aphis glycines) and soybean rust (Phakopsora pachyrhizi) has led to dramatic increases in pesticide use on soybean. Both pests pose a serious threat to the industry, with untreated outbreaks of soybean aphid capable of reducing yields by 14-50% and reports of soybean rust resulting in yield losses of 10-80%. Many agribusinesses are now offering growers a pest management program emphasizing a calendar-based, co-application of a fungicide-insecticide tank mix. However, it is unclear if these co-application methods exhibit improvement upon current recommendations, which apply pesticides only when needed.

 

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