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CA UPLAND VARIETY TRIALS – LARGE-SCALE AND SCREENING

Bob Hutmacher
.UCCE Extension Agronomist
Department of Agronomy and Range Science
UC Davis I Shafter REC
(661) 746-8020 I fax (661) 746-1619
rbhutmacher@ucdavis.edu

Cooperators: Ron Vargas, Steve Wright, Bill Weir, Bruce Roberts,
Dan Munk, Brian Marsh, Mark Keeley, Raul Delgado, Scott Perkins

1999 Studies

In 1999, studies are underway at nine locations in the San Joaquin Valley in tests run by our office in cooperation with the six San Joaquin Valley UCCE cotton Farm Advisors.  At the time of writing this report, we have limited data to report, since no final plant mapping data have been analyzed and we are still a way off from defoliation and harvest. Instead, the following will be a brief description of the type of testing program initiated for 1999, and data collection plans.

Two different types of studies are underway this year, (a) a large-scale plot study on grower fields to evaluate varieties in large plots, where adequate seed…

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ANNUAL MORNINGGLORY CONTROL WITH BXN COTTON

 

Ron Vargas, Fann Advisor, Madera County
Brian Marsh, Fann Advisor, Kern County
Tome Martin Duvall, SRA, Madera County
University of California Cooperative Extension
559-675-7879, Ex1. 212 rnvargas@ucdavis.edu

BXN (Buctril) transgenic tolerant cotton has been tested on a limited basis in University trials in 1997 and 1998 with extensive testing in 1999. In 1999, due to the changes in “One Quality Law” governed by the SJY Cotton Board, several thousand acres o f Stoneville BXN-47 cotton are now being commercially grown. Results of University trials, as well as grower experience, has indicated excellent control of most summer annual broad leaf weeds when…

 

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