Co-Authors:
ROTEM, J., Department of Plant Pathology, Agricultural Research Organization, Volcani Center, Bet Dagan, 50250, Israel
EIDT, J., Tropeninstitut, University of Giessen, Giessen, 6300, Germany
WENDT, U., Tropeninstitut, University of Giessen, Giessen, 6300, Germany
KRANZ, J., Tropeninstitut, University of Giessen, Giessen, 6300, Germany
Abstract:
In large commercial fields, the ratio of Alternaria macrospora to A. alternata lesions was 1:0‐4 in cv. Pima and 1:19 in cv. Acala. The frequency of A. alternata on Pima and of A. macrospora on Acala increased in an experimental field with mixed Pima and Acala plots. In both cultivars disease was inhibited by fungicidal treatment and by removal of flowers. For all parameters measured (leaf area, number of leaves, flowers and bolls, and yield), the responses to treatments were greater in Pima than in Acala. Copyright © 1988, Wiley Blackwell. All rights reserved
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