盐地碱蓬粗提物对小菜蛾的毒杀及拒食作用
JOURNAL OF ANHUI AGRICULTURAL SCIENCES(2008)
Abstract
[目的]从盐地碱蓬中提取杀虫活性物质.[方法]以小菜蛾作为实验对象,通过蒸馏水和乙醇分别浸泡盐地碱蓬的各部分组织,得到不同组织提取液,测定了各部分组织提取液对小菜蛾的毒性和拒食作用.[结果]盐地碱蓬各部分组织对于小菜蛾都有毒性和拒食作用,其中以茎枝的毒性和拒食作用最佳,用乙醇作为浸泡液的效果要优于蒸馏水.[结论] 碱蓬种子和茎分枝提取物对小菜蛾的毒杀拒食作用最高;乙醇提取的比用蒸馏水提取的效果要好.
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Key words
plutella xylostella,suaeda,poison,crude extract
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