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Drought Resistance in Bread Wheat Genotypes

机译:面包小麦基因型的抗旱性

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Development of drought-resistant cultivars is one of the major goals in plant breeding programs. Twentysix wheat genotypes were evaluated for drought resistance using the criteria of leaf relative water content (LRWC), leaf relative water loss (LRWL) and drought susceptibility index (DSI) under Erzurum conditions in the crop seasons of 1995-96 and 1996-97. The results showed that differences among the genotypes in LRWC, LRWL and DSI were significant. In rainfed condition; LRWC, LRWL and DSI of genotypes ranged between 74.0-81.6 %, 0.391-0.636 g/g/s and 0.59-1.59 respectively. High LRWC and low LRWL and DSI values indicated that Da?da?-95, Do?u-88, Haymana,-79 and Yayla-305 cultivars were more drought resistant than other genotypes. Conversely, Bezostaja-1, Karasu-90, SXL/VEE"S", Turkey-13 and Tir Wheat were the most drought susceptible genotypes.
机译:发展抗旱品种是植物育种计划的主要目标之一。在1995-96年和1996-97年的作物季节,使用叶相对含水量(LRWC),叶相对失水(LRWL)和干旱敏感性指数(DSI)的标准对26种小麦基因型进行了抗旱性评估。结果表明,LRWC,LRWL和DSI的基因型之间存在显着差异。处于雨育状态;基因型的LRWC,LRWL和DSI分别在74.0-81.6%,0.391-0.636 g / g / s和0.59-1.59之间。高LRWC和低LRWL和DSI值表明,Da?da?-95,Do?u-88,Haymana,-79和Yayla-305品种比其他基因型更具抗旱性。相反,Bezostaja-1,Karasu-90,SXL / VEE“ S”,Turkey-13和Tir Wheat是最易受干旱影响的基因型。

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