生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。
Resistance induced by biological factors is very important to a host plant.
许多酵母菌对果蔬采后病害具有明显的抑制作用，酵母菌抑制霉菌的机理主要在于营养与空间的竞争、对病原菌的直接寄生作用及诱导寄主产生抗病性。
The main mode of action of the yeast biocontrol agents against pathogen was considered as the competition for space and nutrients, direct parasitism and induced resistance in the host.
在病害三角关系中，病原物的致病性及寄主的抗病性是决定病害发生与否的内在因素。
Pathogen pathogenicity and host resistance are internal factors in deciding plant diseases. Wheat leaf rust is a kind of worldwide disease.
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