论文部分内容阅读
为了探明朱砂叶螨刺吸胁迫对玉米体内化学防御的系统诱导效应,以玉米抗螨性自交系‘H1014168’和感螨性自交系‘H1014591’幼苗为材料,在叶螨刺吸第1叶7 d后,测定了未被刺吸部位(第2叶和根系内)的丁布、总酚、胰蛋白酶抑制剂(TI)和胰凝乳蛋白酶抑制剂(CI)含量.结果表明:H1014168第2叶和根内的丁布、总酚、TI和CI含量均显著高于健康植株;H1014591第2叶内4种化学防御物质含量显著高于健康植株,根内TI含量显著高于健康植株,丁布和CI含量与健康植株差异不显著,总酚含量显著低于健康植株.朱砂叶螨刺吸胁迫对玉米体内的丁布、总酚、胰蛋白酶抑制剂和胰凝乳蛋白酶抑制剂的诱导具有系统性,对玉米抗螨性自交系的系统诱导效应强于感螨性自交系.
In order to find out the systemic induction effect of spider mite spurgeing on chemical defense in maize, the maize inbred line ’H1014168’ and the susceptible inbred line ’H1014591’ The content of butyricin, total phenols, trypsin inhibitor (TI) and chymotrypsin inhibitor (CI) in the unspiked part (the second leaf and the root system) were measured after 1 leaf for 7 days.The results showed that: The contents of total phenolics, TI and CI in the second leaf and root of H1014168 were significantly higher than those of healthy plants. The content of four chemical defense substances in the second leaf of H1014591 was significantly higher than that of healthy plants, and the content of TI in root was significantly higher than that of healthy The contents of plant, butyricin and CI were not significantly different from those of healthy plants, and the content of total phenols was significantly lower than that of healthy plants.The spore-mulching of Tetranychus cinnabarinus had no effect on the activity of butyricin, total phenols, trypsin inhibitor and chymotrypsin inhibitor The induction of systemic inbred lines of maize inbred lines was stronger than that in susceptible inbred lines.