论文部分内容阅读
生姜是重要的经济作物和风味独特的调味品,也是传统的外贸物资,远销亚非国家。近年来由于青枯病的危害,产量受到严重损失。据四川新都的调查,常年损失产量20—40％,重的达70—90％,甚至无收,农民被迫少种,影响市场供应与出口外销,要求解决的呼声日烈。生姜青枯病是一种假单胞菌所致的细菌性病害,又名生姜腐烂病,俗称姜瘟。种姜和土壤均可传病,扩散很快。目前国内尚无有效的防治方法,为了满足生产的迫切需要,1985—1986年我
Ginger is an important economic crops and flavor unique condiment, is also a traditional foreign trade supplies, exported to Asian and African countries. In recent years due to the hazards of bacterial wilt, the yield suffered serious losses. According to a survey conducted in Xindu, Sichuan, perennial losses of 20-40% of the total output and 70-90% of the total weight are lost. Farmers are forced to slash their output and affect the market supply and exports for export. Ginger bacterial wilt is a bacterial disease caused by Pseudomonas, also known as ginger rot disease, commonly known as ginger blast. Ginger and soil can be transmitted, spread quickly. At present, there is no effective method of prevention and control in our country. In order to meet the urgent need of production, from 1985 to 1986,