GrainGenes Reference Report: JPA-12-597
Reference
JPA-12-597
Title
Wheat cultivar tolerance to atrazine
Journal
Journal of Production Agriculture
Year
1999
Volume
12
Pages
597-600
Author
Bean BW Piccinni G Salisbury CD
Abstract
Summary: Winter wheat (Triticum aestivum L.) in the Texas High Plains often follows a crop or fallow period where atrazine was used for weed control. A study was conducted in 1991-1992 and repeated in 1993-1994 to determine if differences exist among commonly grown winter wheat cultivars in their tolerance to atrazine. Eighteen hard red winter wheat cultivars common to the region were planted on 13 Nov.1991, and 26 Oct.1993, in plots treated with 0, 0.25, 0.5, 0.75, and 1.0 lb a.i./acre atrazine. Variation in atrazine tolerance was observed among cultivars and years, but cultivar differences in atrazine tolerance were identified. Cultivars that exhibited tolerance to atrazine were 'Triumph', 'Scout', 'Siouxland 89', 'TAM 107', and 'Quantum 588A'. Most susceptible cultivars were 'TAM 109', 'TAM 200', 'TAM 201', and 'TAM 202'. These data suggest cultivars are available to minimize yield loss for planting in fields where atrazine residues in soil are suspected. Alternatively, where atrazine is applied to wheat stubble after harvest, cultivars that are susceptible to atrazine could be planted to aid in control of volunteer wheat
Keyword
application rates
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture.
GrainGenes Reference Report: JPA-12-597
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||