2002 Leopold Grape Cultivar by Management System Trial

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2006-01-01
Authors
Domoto, Paul
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Abstract

To identify grape cultivars adapted to Iowa, a cultivar by management system trial was established in 2002 at the ISU Horticulture (Hort) Station and the ISU Armstrong Research Farm with the help of a grant from the Leopold Center of Sustainable Agriculture. Fifteen cultivars, including 10 wine and 5 seedless table cultivars, were evaluated under 1) a conventional management system that relies on herbicides for weed control and application of insecticides and fungicides on a regular basis; 2) an IPM/best management system that uses herbicides as needed and relies on monitoring to determine the need for insecticides and fungicides; and 3) an organic-approved system that relies on a straw mulch for weed control and the use of organic-approved insect and disease control strategies. This report summarizes the results for the 2005 growing season.

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Horticulture
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