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 In the production and cultivation of tomatoes, plant growth regulators 2, 4-D are often used to protect fruit and fruit, in order to improve fruit set rate, but 2, 4-D, such as the use of concentration is too large, there will be injury, resulting in small tomato leaves Curly deformity. Due to some similarities with the symptoms of tomato mosaic virus disease, some farmers are often mistaken for virus disease to prevent and control, not only delayed the prevention and improvement of timing, but also caused by the