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当前位置: 首页 > 文章 > 喷施海藻酸钠寡糖对小麦幼苗生长发育和抗旱性的影响 河南农业科学 2016,45 (2) 56-61
Position: Home > Articles > Effects of Spraying Alginate Oligosaccharides on Seedling Growth and Drought Resistance of Wheat( Triticum aestivum L. ) Journal of Henan Agricultural Sciences 2016,45 (2) 56-61

喷施海藻酸钠寡糖对小麦幼苗生长发育和抗旱性的影响

作  者：
张运红;孙克刚;和爱玲;杜君;吴政卿
单  位：
河南省农业科学院植物营养与资源环境研究所;河南省农业科学院小麦研究所
关键词：
小麦;海藻酸钠寡糖;生长发育;抗旱性
摘  要：
以河南省3个优质小麦品种(郑麦101、郑麦129和郑麦3596)为材料,在15%PEG6000水分胁迫条件下,研究喷施海藻酸钠寡糖对小麦幼苗生长发育和抗旱性的影响,为其作为新型植物抗旱剂在农业中的应用提供理论参考。结果表明,干旱胁迫后,3个小麦品种的生长发育均受到明显抑制,苗长、根长和生物量均显著下降,叶绿素含量也显著降低(郑麦101除外)。干旱胁迫后喷施海藻酸钠寡糖,可在一定程度上缓解干旱胁迫对小麦生长发育的抑制作用,苗长、根长和生物量均显著增加,丙二醛和脯氨酸含量显著下降,叶绿素含量(除郑麦101)和部分抗氧化酶活性有所提高。3个小麦品种相比,海藻酸钠寡糖对郑麦129和郑麦3596干旱胁迫的缓解效果好于郑麦101。
译  名：
Effects of Spraying Alginate Oligosaccharides on Seedling Growth and Drought Resistance of Wheat( Triticum aestivum L. )
作  者：
ZHANG Yunhong;SUN Kegang;HE Ailing;DU Jun;WU Zhengqing;Institute of Plant Nutrient,Resources and Environment,Henan Academy of Agricultural Sciences;Henan Key Laboratory of Agricultural Eco-environment;Wheat Research Institute,Henan Academy of Agricultural Sciences;
关键词：
wheat(Triticum aestivum L.);;alginate oligosaccharides;;growth;;drought resistance
摘  要：
In this research,three high-quality wheat varieties( Zhengmai 101,129 and 3596) in Henan province were employed as the experimental materials to investigate the effects of spraying alginate oligosaccharides on the seedling growth and drought resistance of wheat,under water stress of 15%polyethylene glycol( PEG) 6000,in order to provide theoretical references for the application of new plant drought-resistant agents in agriculture. The results showed that the growth of three wheat varieties was obviously inhibited by drought stress,as evidenced in the significant decrease of seedling length,root length,biomass and chlorophyll contents( except Zhengmai 101). Spraying alginate oligosaccharides alleviated the growth inhibition of three wheat varieties caused by drought stress in varying degrees,which reflected in that the seedling length,root length and biomass significantly increased,the contents of malondialdehyde and proline significantly decreased,and chlorophyll contents( except Zhengmai 101) and part of antioxidant enzymes activities elevated. However,the alleviate effects of alginate oligosaccharides on the inhibition caused by drought stress in Zhengmai 129 and 3596 were better than that in Zhengmai 101.

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