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GrainGenes Reference Report: EUP-119-241

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Reference	EUP-119-241
Title	Grain yield and other traits of tall and dwarf isolines of modern bread and durum wheats.
Journal	Euphytica
Year	2001
Volume	119
Pages	241-244
Author	Singh RP Huerta-Espino J Rajaram S Crossa J
Abstract	Near-isogenic Rht lines of ten modern bread wheat (Triticum aestivum L.) and six durum wheat (T. turgidum L.) cultivars were developed and evaluated in replicated trials under three soil moisture treatments for two years in northwestern Mexico. The three soil moisture treatments were created by providing one, two or six irrigations during each crop season. Grain yield and other traits were measured for each line in each trial. Mean grain yields of short and tall T. aestivum or T.turgidum isolines were similar in the lowest yielding environment when mean grain yields (0% grain moisture) of T. aestivum and T.turgidum were 2,232 and 1,870 kg ha-1, respectively. Mean grain yield of dwarf T. aestivum was significantly higher than that of tall genotypes in another five trials with moderate to high yields. The performance of dwarf and tall T. turgidum isolines was unpredictable in moderate yielding trials, and the dwarf isolines yielded significantly more in trials that received six irrigations. Given that the tall isolines produced significantly more straw than their shorter counterparts, cultivation of tall wheats may be beneficial in semiarid environments where farmers' yields are close to 2.5 t ha-1 or lower, and straw has value.
External Databases	DOI: 10.1023/A:1017541805454
Allele	Rht-D1d (Triticum)
Gene	Rht1 (Triticum) Rht-D1 (Triticum)
Keyword	[ Hide all but 1 of 34 ] bread bread wheat crop cultivar cultivation durum durum wheat dwarf dwarfing genes environment farmers gene genotype grain yield irrigation line mexico moisture near-isogenic Rht lines performance plant science rht semiarid environment soil soil moisture straw tall trials triticum triticum aestivum triticum turgidum turgidum wheat yield

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