【摘要】 试验表明,7种技术处理对提高植株兔疫力、减轻番茄病毒病的危害,都有一定效果.其中以TMV弱株系N₁₄40倍液于定植分苗时浸根处理效果最好,相对防效最高,且有治疗作用,增产幅度达37.6%.还可以促进番茄提早发育,增加早期产量41.0%.其次为卫星核酸生防制剂(S₅₂)40倍液沾根（分苗时）处理,防效与上述处理接近,亦有治疗效果,增产25.7%.番茄生长期,用NS-83增抗剂100倍液多次喷雾,对提高植株耐病毒性.促进健壮生长,增加早期产量,效果十分明显;用高锰酸钾1500倍液喷雾,亦有较好效果.更多还原

【Abstract】 Seven technique treatments were carried out for controlling tomato virus diseases at the technique course of tomato culture.Field experiments showed that four of these gave satisfictory effects in controlling diseases, increasing yield of fruit and promoting premature. The tzeatments inc lude: Soaking root with TMV-N14 at a con centration of 1/40; Soaking root with CMV-S52 at a concentration of 1/40; Spraying with NS-83 at a concentration of 1/100 a bd with K3MnO4 at a concentration of 1/1500 during growing period, respectively.更多还原