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Keywords: Upland; Variety Trials; Yields; Hutmacher; 2020; HVI; Data Summary
CA Cotton Growers & Ginners Association, CA Cotton Alliance, UC-ANR/UCCE, UC Davis Plant Sci. Dept., Cotton Incorporated State Support Committee
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Keywords: Pima; Variety Trials; Yields; Hutmacher; 2020; HVI; Data Summary
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Keywords: RACE 4 FUSARIUM; 2020; Hutmacher; FOV 4; screening
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Keywords: Upland; Acala; Variety Trials; Yields; Hutmacher; 2020
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Keywords: Pima; Variety Trials; Yields; Hutmacher; 2020
University of CA and USDA-ARS Fusarium Screen Summary – 2013 trials
Hutmacher, Wright, Ulloa et al – February 2014
Univ. California and USDA-ARS Fusarium-Race 4 Screenings (THREE SITES: Kern County and Tulare County sites plus greenhouse site at Kearney REC – 2013)
2013_Fusarium Race 4 Field Ratings SUMMARY TABLE – means and std deviations only
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WELCOME
to the
UNIVERSITY OF CALIFORNIA
SHAFTER RESEARCH & EXTENSION CENTER
The information contained in this booklet was assembled for distribution at the 2006 Cotton Field Day at the Shafter Research & Extension Center. The following items are included for your information:
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This project has the following two objectives:
1. Evaluate new products for management of root-knot nematode on carrots.
2. Evaluate the effectiveness of trap crops for management of root-knot nematode on carrots.
Root-knot nematodes (Meloidogyne sp.) are widely distributed throughout California and are the most important nematode pest of carrot. Current control methodology relies on the use ofMetam sodium and Telone II.
The potential for loss of the standard chemical nematicides due to various environmentally…
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The objectives of these studies with Acala and Pima varieties are to evaluate approved Acala varieties and Pima varieties submitted for testing under different environmental conditions and management across the San Joaquin Valley region of California. In order to provide a reasonable limit on the number of varieties in the tests, the entries include newly-approved varieties (approved by the San Joaquin Valley Cotton Board) for the current year, varieties released last year that are in their second year of testing, plus the top 4 or 5 previously-approved varieties (in terms of planted acreage). The new varieties are the focus of tests, but only remain in tests for a minimum of two years following release unless that variety moves into the top 4 or 5 varieties in planted acreage. Released varieties also may not show up in tests if companies request that the variety is for a special market and don’t want it in multiple location testing, or when seed supplies are inadequate. The Pima tests focus on approved varieties, but in the past two years have also included a non-approved hybrid that has been of interest due to yield…
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Preventing sticky cotton is crucial in producing quality cotton. Late-season populations of cotton aphid and Silverleaf whitefly can produce significant amounts of honeydew when populations build. These pests are of most concern from mid-boll filling through harvest, when insect populations build and threaten exposed lint. Pest management guidelines for cotton aphid and silverleaf whitefly focus on strategies to use once threshold pest populations are reached, with the approach varying with the composition of the developing population (nymphs, adults), crop growth stage, and with the presence of exposed lint. Current pest management guidelines for whitefly and aphid can be interpreted as meaning defoliation is the final event of the season. This is based on the assumption…
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