大豆胰蛋白酶抑制剂与大豆抗大豆胞囊线虫的关系  

Relationship of Soybean Trypsin Inhibitor and Soybean Resistance to Soybean Cyst Nematode

作　　者：杨少旭[1] 段玉玺[1] 陈立杰[1] 王雪[1] 周博[1] 

机构地区：[1]沈阳农业大学植物保护学院,辽宁沈阳110161

出　　处：《大豆科学》2008年第3期487-489,495,共4页Soybean Science

基　　金：国家自然科学基金资助项目(20372064);十一五科技支撑计划资助项目(2006BAD08A08)

摘　　要：对大豆胞囊线虫3号小种的抗病品种Hartwig和小粒黑豆,感病品种辽豆15和中黄28分别接种线虫,检测大豆根系中大豆胰蛋白酶抑制剂的表达量对大豆抗胞囊线虫的抗性。经过胰蛋白酶抑制剂活性测定结果表明,接种大豆胞囊线虫的抗感品种的大豆胰蛋白酶抑制剂(STI)表达量明显高于未接种的品种,各个品种的STI表达量也不同。说明大豆胰蛋白酶抑制剂参与抗病过程。但是各个品种的变化趋势并不相同,表明抵御线虫的抗病作用机制存在品种间差异。The resistance of soybean trypsin inhibitor（STI） to the race 3 of soybean cyst nematode（Heterodera glycines Ichinohe, SCN） were studied by inoculating SCN to resistant varieties, Hartwig, Xiaoliheidou and susceptible cultivars, Liaodou 15, Zhonghuang 28. Results showed that the activity of STI with inoculation was higher than that without inoculation and the STI activity were also different among varieties. The dynamic trends of STI were varied with varieties. Results suggest that STI had attended the resistance of soybean to SCN and the resistant mechanism maybe different among soybeans.

关 键 词：大豆胰蛋白酶抑制剂 大豆胞囊线虫 抗性 

分 类 号：S435.651[农业科学—农业昆虫与害虫防治]