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四川栽姜历史悠久,除高寒地区外,几乎县县栽培。全省栽培面积最高年份近20万亩,一般亩产量为2000—2500公斤,高的可达3000—4000公斤,具有较高的经济价值。但近几年来,姜青枯腐败病(俗称姜瘟),在我省发生日趋严重,发病后,轻者减产20—30％,重者达70—80％,甚至全田瘟死毫无收获,严重挫伤了姜农种姜的积极性,使全省生姜种植面积减少30％左右,影响了姜的市场供应和出口创汇。为了解决此病害的防治问题,从1985—1987年,我们在省内进行
Sichuan planting ginger has a long history, in addition to the alpine region, almost county-level cultivation. The province’s highest annual cultivation area of nearly 20 million mu, the general mu yield 2000-2500 kg, up to 3000-4000 kg, with high economic value. However, in recent years, Jiang scavengers rotten disease (commonly known as ginger blast), the increasingly serious occurrence in our province, after the onset of light, 20-30% reduction in production, weighing up to 70-80%, and even plague the whole field no gain , Seriously dampening the enthusiasm of Jiang farming ginger, the province’s ginger planting area reduced by about 30%, affecting the market supply of ginger and foreign exchange earnings. In order to solve the disease prevention and control problems, from 1985 to 1987, we conducted in the province