小麦籽粒次生物质对麦红吸浆虫幼虫解毒酶活性及基因表达的影响

陈锐,高贺,张国军,朱克岩,成卫宁

Effects of Secondary Metabolites in Wheat Kernels on Activities of Three Detoxifying Enzymes and Related Gene Expression in Sitodiplosis mosellena

CHEN Rui,GAO He,ZHANG GuoJun,ZHU KeYan,CHENG WeiNing

表4 小麦籽粒次生物质含量与小麦抗吸浆虫指标的相关性

Table 4 Correlation between resistance indicators of wheat to S. mosellena and contents of secondary metabolites in wheat kernels

次生物质 Secondary metabolite 穗被害率 Percentage of infested ears 粒被害率 Percentage of infested grains 单穗虫口数 Insect number per ear 估计损失率 Estimated loss rate r P r P r P r P 阿魏酸 Ferulic acid -0.774 0.024* -0.778 0. 023* -0.726 0.041* -0.774 0.024* 单宁 Tannin -0.620 0.101 -0.597 0.118 -0.477 0.232 -0.550 0.158 总黄酮Total flavonoid 0.332 0.422 0.275 0.509 0.378 0.356 0.337 0.415 总酚 Total phenol -0.392 0.337 -0.438 0.278 -0.495 0.212 -0.426 0.292