Cotton Defoliation Evaluations, 1999

Cotton Defoliation Evaluations, 1999

Two field experiments were conducted near Marana and Coolidge, AZ in 1999 to evaluate the effectiveness of a number of defoliation treatments on Upland (var. DP 33b and AP 6101) cotton. All treatments consisted of materials commercially available in Arizona. Results reinforce general recommendations...

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Bibliographic Details
Main Authors: Silvertooth, J. C., Norton, E. R.
Other Authors: Silvertooth, Jeff
Language:en_US
Published: College of Agriculture, University of Arizona (Tucson, AZ) 2000
Subjects:
Agriculture > Arizona
Cotton > Arizona
Crop management
Online Access:http://hdl.handle.net/10150/197458
Description
Summary:Two field experiments were conducted near Marana and Coolidge, AZ in 1999 to evaluate the effectiveness of a number of defoliation treatments on Upland (var. DP 33b and AP 6101) cotton. All treatments consisted of materials commercially available in Arizona. Results reinforce general recommendations regarding the use of low rates (relative to the label ranges) under warm weather conditions and increasing rates as temperatures cool. Defoliation treatments of Ginstar alone did a satisfactory job of defoliation and regrowth/topgrowth contol and were very similar to treatments including Prep or Integrate. Adding Prep or Integrate to Ginstar in this experiment did not improve defoliation or topgrowth control.

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