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农业防治:1.选用抗病品种,注意品种搭配和轮换,并要经常监测各地病菌生理小种组成的变化,以便选择新的抗病品种;2.及时清除田间病残体,收获后及时翻地,减少越冬菌量;3.注
Agricultural control: 1. Use of resistant varieties, pay attention to mix and rotation of varieties, and to regularly monitor the changes in the composition of the germ-physiological races in order to select new resistant varieties; 2. Timely removal of disease in the field after harvest and timely turn To reduce the amount of overwintering bacteria; 3. Note