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Abstract: Salinity is the major thr
Abstract: Salinity is the major threat to global wheat production, particularly in arid and semiarid areas. Breeding salt-tolerant cultivarsis one feasible solution, while the presence of genetic variation is a prerequisite for genetic improvement. To detect genetic variation forsalt tolerance in wheat, a total of 150 wheat genotypes were tested for seedling-stage tolerance response at 300 mM NaCl in hydroponicculture. Significant differences (P ≤ 0.001) were identified in wheat for seedling traits, and 20 salt-tolerant and 5 susceptible genotypeswere selected on the basis of root and shoot weights. These 25 genotypes were tested for salt-tolerance response at the early developmentalstage in hydroponic culture at 0, 70, 140, 210, 280, and 350 mM NaCl salinity levels. GGEbiplot analysis was used for measuring salttolerance for relative growth rates of root length, shoot length, and plant weight. Genotypes DH-3, 9436, DH-14, Chenab-2000, DH-13, WN-174, WN-150, STW-135, 066284, and DH-2 were the most salt-tolerant and 4072, WN-64, WN-60, WN-165, and WN-140were the most susceptible. Biplot analysis appeared advantageous over salt-tolerance indices due to its graphical nature and ability todemonstrate genotype × environment interactions.Key words: Genotype × environment interactions, GGEbiplot, salt tolerance, relative growth rate
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摘要：盐度是全球小麦产量的主要威胁，特别是在干旱和半干旱地区。选育耐盐品种<br>是一个可行的解决方案，而遗传变异的存在是遗传改良的先决条件。来检测遗传变异<br>在小麦耐盐性，共150个小麦基因型在水耕在300mM NaCl的幼苗阶段的耐受反应进行了测试<br>培养。显著差异（P≤0.01）在小麦，确定了幼苗性状和20耐盐性和5个敏感基因型<br>选择根和枝条的权重的基础上。这25个基因型在早期发育耐盐性反应测试<br>阶段中水培在0，70，140，210，280，和350级mM的NaCl的盐度水平。用于测量盐GGEbiplot分析<br>公差为根长，茎长，和植物重量的相对生长速率。基因型DH-3，9436，DH-14，奇纳布-2000，DH- <br>13，WN-174，WN-150，STW-135，066284，和DH-2是最耐盐性和4072，WN-64， WN-60，WN-165，和WN-140 <br>是最敏感的。双标图分析，由于其图形的性质和能力上空出现了耐盐指数有利<br>证明基因型×环境的相互作用。<br>关键词：基因型与环境互作，GGEbiplot，耐盐性，相对生长率
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Abstract: Salinity is the major threat to global wheat production, particularly in arid and semiarid areas. Breeding salt-tolerant cultivars<br>is one feasible solution, while the presence of genetic variation is a prerequisite for genetic improvement. To detect genetic variation for<br>salt tolerance in wheat, a total of 150 wheat genotypes were tested for seedling-stage tolerance response at 300 mM NaCl in hydroponic<br>culture. Significant differences (P ≤ 0.001) were identified in wheat for seedling traits, and 20 salt-tolerant and 5 susceptible genotypes<br>were selected on the basis of root and shoot weights. These 25 genotypes were tested for salt-tolerance response at the early developmental<br>stage in hydroponic culture at 0, 70, 140, 210, 280, and 350 mM NaCl salinity levels. GGEbiplot analysis was used for measuring salt<br>tolerance for relative growth rates of root length, shoot length, and plant weight. Genotypes DH-3, 9436, DH-14, Chenab-2000, DH-<br>13, WN-174, WN-150, STW-135, 066284, and DH-2 were the most salt-tolerant and 4072, WN-64, WN-60, WN-165, and WN-140<br>were the most susceptible. Biplot analysis appeared advantageous over salt-tolerance indices due to its graphical nature and ability to<br>demonstrate genotype × environment interactions.<br>Key words: Genotype × environment interactions, GGEbiplot, salt tolerance, relative growth rate
正在翻译中..
摘要：盐分是全球小麦生产的主要威胁，特别是在干旱和半干旱地区。耐盐品种的选育<br>是一种可行的解决方案，而遗传变异的存在是遗传改良的前提。检测遗传变异<br>摘要对150个小麦基因型在300毫米氯化钠胁迫下的苗期耐盐性进行了水培试验<br>文化。小麦幼苗性状差异显著（P≤0.001），耐盐基因型20个，感盐基因型5个<br>根据根重和茎重进行选择。这25个基因型在发育早期进行了耐盐反应的检测<br>在0、70、140、210、280和350mm NaCl盐度水平下水培阶段。用GGEbiplot分析法测定食盐<br>对根长、茎长和植株重量的相对生长速率的耐受性。DH-3、9436、DH-14、Chenab-2000、DH基因型-<br>13、WN-174、WN-150、STW-135、066284和DH-2最耐盐，4072、WN-64、WN-60、WN-165和WN-140最耐盐<br>是最敏感的。由于双区分析的图形性质和<br>展示基因型×环境相互作用。<br>关键词：基因型×环境互作、GGEbiplot、耐盐性、相对生长速率<br>
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