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首页> 外文期刊>Indian Journal of Agricultural Biochemistry >Evaluation of Wheat Genotypes (Triticum aestivum L.) against Heat Stress based on Their Biochemical and Physiological Responses
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Evaluation of Wheat Genotypes (Triticum aestivum L.) against Heat Stress based on Their Biochemical and Physiological Responses

机译：基于小麦基因型的生化和生理响应评估其抗热胁迫的能力

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The experiment was carried out using fourteen wheat genotypes differing in susceptibility to temperature stress and heat treatment was given to 10 days old wheat seedlings at 35 °C, 40 °C and 45 °C for four hour In seed germinator. Relative water content and membrane stability was highest in tolerant genotype GW-190 and was the lowest in susceptible genotype J-2010-11. Membrane injuries, lipid peroxidation and hydrogen peroxide content were highest in susceptible genotype J-2010-11 and were the lowest in tolerant genotype GW-190. Chlorophyll stability index was highest in susceptible genotype LOK-1 and the lowest in tolerant genotype GW-190. In general as the temperature stress increased relative water content and membrane stability decreased andmembrane injury, hydrogen peroxide and lipid peroxidation increased in all the genotypes compared to control plants.
机译：实验使用了14种对温度胁迫敏感性不同的小麦基因型，并在35°C，40°C和45°C下对10天大的小麦幼苗进行了4个小时的种子发芽处理。相对水分含量和膜稳定性在耐性基因型GW-190中最高，而在易感基因型J-2010-11中最低。易感基因型J-2010-11的膜损伤，脂质过氧化和过氧化氢含量最高，而耐受性基因型GW-190的膜损伤，脂质过氧化和过氧化氢含量最低。叶绿素稳定性指数在易感基因型LOK-1中最高，而在耐性基因型GW-190中最低。通常，与对照植物相比，在所有基因型中，随着温度胁迫的增加，相对水分含量和膜稳定性降低，膜损伤，过氧化氢和脂质过氧化作用增加。

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