研究了纹枯菌胁迫后,外源施硅对纹枯病感病品种Lemont体内防御相关酶及酚类物质的影响。结果表明,接种水稻纹枯病菌后,施硅接种处理与不施硅接种处理相比,植株体内H2O2含量、MDA含量有减少的趋势,而CAT活性、LOX活性、总可溶性酚含量和木质素含量有增加的趋势;不接种纹枯病菌时,施硅与不施硅处理之间上述物质的含量差异不大,但总体上低于接种纹枯病菌处理。
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