草莓红中柱根腐致病菌毒素提取及其活性测定
Agricultural Science & Technology and Equipment(2008)
Abstract
采用活性炭法、有机溶剂法和硫酸铵分级沉淀法3种方法提取毒素,并测定毒素活性。试验结果表明:3种方法均能提取到毒素,其中硫酸铵分级沉淀法是比较简便而相对有效的方法;经生物测定,该毒素能使草莓叶柄腐烂;经滤液透析稳定性测试,该毒素为大分子化合物,这与用有机溶剂提取毒素所得结果一致,同时测得其具有很强的热稳定性。
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Key words
plant protection,toxin,bioassay,extraction,research,Fusarium solani
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