GINSTAR EC -- A New Cotton Harvest Aid

S. K. Lehman


 
ABSTRACT

GINSTAR EC is a new cotton defoliant with growth regulating properties. GINSTAR is a coformulation of thidiazuron + diuron formulated in a unique, proprietary solvent system that enhances the activity of this combination. During 1993, an EUP program was carried out in Arizona and Texas, and a more limited program was conducted under a Research Authorization in California. Under these programs, 1,964 acres were treated in 85 trials. Results from this EUP program show excellent defoliation with GINSTAR. Effective rates ranged from 6.5 to 12 oz. product per acre. Under warm temperatures and good defoliating conditions, the low rates provided excellent defoliation and regrowth control. Defoliation and regrowth control with GINSTAR were also very good under cooler temperature conditions using application rates of 9 to 12 oz/A. Under the arid conditions of the Western states, a single application of GINSTAR was often more effective than standard tank mix treatments, and in some trials a single GINSTAR treatment was as effective as sequential applications of standard, commercial harvest aid treatments. Cotton growers participating in the GINSTAR EUP program were very satisfied with performance of GINSTAR. About 2/3 of the growers responding to the question of how GINSTAR compared to their standard treatment, thought GINSTAR did a better job overall, and more than another 20% thought it was equal to their standard treatment.



Reprinted from Proceedings of the 1994 Beltwide Cotton Conferences pg. 82
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998