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一、番茄病毒病症状主要有;叶子呈花叶型或蕨叶型,还有为害果实的条斑型或混合型。所谓条斑,果实产生褐色下陷油渍状不规则坏死斑,后期变为枯斑,而混合型的果实病斑块较小而且不凹陷,这就是两者区别的主要点。常用的农药有: 1.种子消毒:用10％磷酸三钠溶液浸番茄种子20～30分钟,然后捞出用清水反复冲洗干净后催芽播种,是消毒TMV带菌的种子。 2.弱疫苗接种:用N_(14)弱疫苗防治春保护地番茄的烟草花叶病毒(TMV);S_(52)弱疫苗防治秋番茄的黄瓜花叶病毒(CMV)。这是中国科学院微生物研究所研制。 3.抗毒剂一号水剂:喷200～300倍液,从苗期开始,隔7～10天喷一次,连喷4～5次,效果良好。是北京市农林科学院植保所研制的新农药。 4.植病灵乳剂:每亩用83～125毫升,加水100公
First, the main symptoms of tomato virus disease; leaves were mosaic-type or fern leaf type, as well as fruit streaked or mixed type. The so-called streaks, the fruit produces brown subsidence oil stains irregular necrotic spots, the latter into a blight, and mixed fruit lesion smaller and not hollow, which is the difference between the two main points. Commonly used pesticides are: 1. Seeds disinfection: soaked in 10% sodium trisodium phosphate solution of tomato seeds for 20 to 30 minutes, and then remove and rinse with water after repeated germination sowing, disinfection TMV carrier seeds. Weak vaccination: To prevent and cure autumn mosaic virus (TMV) of tomato in spring protected area with weak vaccine (14); cucumber mosaic virus (CMV) to control autumn tomato with weak vaccine of S_ (52). This is the Institute of Microbiology, Chinese Academy of Sciences. 3. Antiseptic agent on the 1st: spray 200 to 300 times the liquid, starting from the seedling stage, spray once every 7 to 10 days, and even spray 4 to 5 times, the effect is good. Is a new pesticide developed by Plant Protection Institute of Beijing Academy of Agriculture and Forestry. 4. Planting Ling emulsion: 83 ~ 125 ml per acre, add water 100 公 公