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Evaluation of Ginstar as a Cotton Defoliant for Central Arizona

John M. Nelson, Garry L. Hart


Field studies were conducted at Maricopa, Arizona to evaluate the effectiveness of Ginstar defoliant on pima (Gossypium barbadense L.) and upland (G. Hirsutum L.)cotton under warm and cool weather conditions. Single applications of Ginstar gave good defoliation in September tests. In October tests, under cool weather conditions, Ginstar was effective in defoliating pima cotton, but upland cotton was not defoliated in a single application by any of the defoliants tested. Ginstar defoliant was as effective as the combination treatments, Dropp + Def or Dropp + Def + Accelerate for defoliating cotton.

Reprinted from Proceedings of the 1996 Beltwide Cotton Conferences pp. 1221 - 1223
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998