花生体内多种生化因子对抗锈病性的综合作用
INFLUENCE OF MULTIPLE BIOCHEMICAL COMPOUNDS ON RESISTANCE OF PEANUT PLANT TO RUST
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摘要: 利用数量化方法，分析了花生受锈菌侵染前后体内多种生比组分的含量（活性）与品种抗病性的关系。受锈菌侵染后，花生体内还原糖的变化与品种抗病性有较大的相关性，游离氨基酸如苏氨酸、亮氨酸、蛋氨酸、异亮氨酸和精氨酸等，在锈菌侵染后的某些时间内，与抗病性相关关系较高。在健康叶片中的多酚氧化酶、苏氨酸、丝氨酸、异亮氨酸和苯丙氨酸等，与抗病性也有较高的相关性。多因素组合对抗性相关分析表明，在花生盛花期健康叶片中的苏氨酸、丝氨酸、异亮氨酸、苯丙氨酸、蛋氨酸和核酸与抗病性有较高的相关关系。Abstract: Based on experiments of biochenllcal changes in peanut plants(Arach is hypogaes)before and after rust(Puccinia arachidis)infection,the relationships between multiple biochemical com- pounds and rust resistance was analyho by using quantitative correlation method.Aller rust infection,changes of inducing sugars in peanut plants are highbcorrelated to disease resist-ance.Some free amino aclds,such as serine,leucine.methionine,isoleucine and arginine,are correlated to rust asistance at certain periods after infhoon.In healthy peanut plants,the ac- tivity of polyphenol oxidase,the amounts of threonine,serine,isoleucine and phenylalanine were highly correlated to disease resistance.
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Keywords:
- Puccinia arachidis /
- Arachis hypogaes /
- disease resistance /
- biochemical compounds
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