经我们对重庆市江津、永川、合川、潼南等县大面积调查,发现芦笋茎枯病是芦笋生产的重大障碍。田间发病率普遍为50%左右,严重时达80%。由于发病规律不清,防治上存在着单纯使用农药、频繁用药、残毒严重等问题,严重影响了产品的产量和质量。我们1988年开展了芦笋茎枯病研究工作,现将初步结果整理如下:一、病害症状本病主要危害茎杆、鳞片和枝条。初期多发 After our investigation of a large area of ​​Jiangjin, Yongchuan, Hechuan and Tongnan counties in Chongqing, we found that asparagus stem blight is a major obstacle to the production of asparagus. The incidence of the field is generally about 50%, severe up to 80%. As the pathogenesis is unclear, prevention and control exist the problems of simply using pesticides, frequent medication and serious residuals, seriously affecting the yield and quality of products. We carried out in 1988 asparagus stem blight research work, the preliminary results are now organized as follows: First, the disease symptoms The main hazards stems, scales and branches. Multiple early