论文部分内容阅读
危害细辛的主要病害有菌核病、黑斑病和锈病.病害已成为发展细辛生产的大敌.1.细辛菌核病:是一种全株腐烂性的真菌病害,对各年生细辛均有危害.早春和晚秋为发病盛期,在发病盛期染病的植株很快烂掉.病害主要通过带菌的种苗及商品传播,在田间则通过带菌土壤、病残体借人工作业传播.防治方法是:封锁病区,控制蔓延.田间发病可用45%代森铵和10%多菌灵按2:5的比例混合,对水配成140倍液浇灌中心病株.灌药时先在病株周围用铁钎子或木棒子扎孔,然后再灌透药液.播种前用45%代森铵与10%多菌灵按2:5的比例140倍液浸种2小时
The main diseases that endanger the Asarum are sclerotinia, black spot and rust.The disease has become the enemy of the development of asarum production .1 Aspic sclerotiorum: It is a whole plant decay fungal disease, the annual Asarum are harmful.Early and late autumn as the peak of the disease, the disease in the peak growth period rotten plants quickly.The disease is mainly spread through the carrying seedlings and commodities, in the field through the contaminated soil, by the artificial Operation spread .Control methods are: blocking the ward, control the spread.Field incidence of available 45% dextrose and 10% carbendazim 2: 5 ratio of mixing, water dubbed 140 times the center of diseased plants irrigation. Before the first sowing with 45% of ammonium and 10% carbendazim 2: 5 ratio of 2 times the soaking solution for 2 hours