锰对氯氟吡氧乙酸胁迫下小麦幼苗生长及膜脂过氧化的影响.doc

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  • 更新时间:2014-04-12
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摘要:采用不同浓度的锰处理氯氟吡氧乙酸胁迫条件下的小麦幼苗,结果表明:以锰浓度1.0mg/L处理最佳,表现在鲜重、干重增加,比对照分别增加2.23%和29.71%,同时小麦脯氨酸含量最高,丙二醛的含量也是浓度梯度中最低,比对照组分别增加了70.26%和1.54%。1.0mg/L浓度的锰能够提高小麦幼苗抗氯氟吡氧乙酸胁迫的能力,促进小麦幼苗的生长发育。

关键词:锰;小麦幼苗; 脯氨酸;MDA;氯氟吡氧乙酸

 

Abstract: The morphological and physiological characteristics of wheat seedling were studied after the treatment of different concentration of manganese under fluroxypyr stress.The results showed that  Wheat growth under manganese concentration 1.0mg/ L was the best, reflecting at the increase of  fresh weight and dry weight, which were increased by 2.23% and 29.71% respectively than the control group. The content of  Proline 、MDA were increased significantly by 70.26% and 1.54% respectively than the control group.Proper manganese can improve the capability of resistant to fluroxypyr stress and promote the growth and development of wheat.

Keywords: manganese; Wheat; Growth and development; Proline ; MDA; Fluroxypyr


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