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在番茄的生产栽培中.常使用植物生长调节剂2,4-D进行保花保果.以提高坐果率,但2,4—D如使用浓度过大,会出现药害.造成番茄叶片细小卷曲畸形。由于与番茄花叶病毒病的症状有些相似,致使常被有些农民误当成病毒病来防治,不仅延误了防治和改进时机,也造成了经济
In tomato production and cultivation. Plant growth regulators are often used 2,4-D flower preservative. To improve the rate of fruit set, but 2,4-D, such as the use of concentration is too large, there will be injury. Caused by small curly tomato leaf deformation. Due to some similarities with the symptoms of Tomato Mosaic Virus disease, it is often mistaken for some farmers to prevent and control the virus disease, which not only delays the time for prevention and improvement, but also brings economic benefits