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小麦白粉病是由白粉菌(Blumeria graminis f.sp.tritici)引起的世界性真菌病害之一,白粉病原菌的生理小种多,毒性变异速度快,很容易造成品种抗病性的丧失。培育抗病新品种有两种基本措施,一是发现与利用新的抗病基因;二是诱导防御
Wheat powdery mildew is one of the worldwide fungal diseases caused by Blumeria graminis f. Sp. Tritici. Physiological races of powdery mildew pathogens are many and the rate of virulence mutation is very fast, which easily leads to the loss of disease resistance of varieties. There are two basic measures to cultivate new disease-resistant varieties. One is to discover and utilize new disease-resistance genes. The other is to induce defenses