期刊论文

中文

应用昆虫学报

2095-1353

2016

53

3

482-490

10.7679/j.issn.2095-1353.2016.063

国家自然科学基金项目（31371951） 湖南省研究生科研创新项目（CX2015B250）

本校为第一机构

【目的】研究施硅水稻对稻纵卷叶螟Cnaphalocrocis medinalis(Guenee)幼虫保护酶(过氧化氢酶CAT、过氧化物酶POD、超氧化物歧化酶SOD)和解毒酶(谷胱甘肽-S-转移酶GST、乙酰胆碱酯酶 AChE)活性的影响,为探明硅增强水稻抗稻纵卷叶螟的机理和稻纵卷叶螟的综合治理提供依据。【方法】采用感虫水稻品种TN1,设置2种施硅水平,即0.32 g Si/kg土壤(Si+)和不施硅(Si-),测定取食水稻24、48、72、96 h后3龄幼虫体内CAT、POD、SOD、GST、AChE活性的动态变化。【结果】幼虫取食Si+水稻前期(24~48 h),CAT、POD、SOD活性呈上升趋势,并在48 h时达到最高值;取食后期(48~96 h), CAT、POD、SOD活性下降并在96 h时显著...

[Objectives] To explore the effects of providing additional silicon (Si) to host plants on the activities of protective and detoxifying enzymes in Cnaphalocrocis medinalis larvae. Such information may provide evidence of Si-mediated resistance and improve management of insect pests in rice crops. [Methods] The treatment (Si+) group of C. medinalis larvae were fed the leaves of the susceptible rice cultivar Taichung Native 1 (TN1) grown on soil to which 0.32 Si/kg soil had been added. The control (Si-) group were fed the leaves of the same cultivar grown on soil to which no silicon had been add...