论文部分内容阅读
通过在黄瓜、辣椒、番茄3种蔬菜田四周和行间间作芹菜(品种‘中华药芹’),研究芹菜不同种植方式和不同间作密度对3种蔬菜上烟粉虱的控制作用。结果表明,辣椒田以8∶1(每8行辣椒间作1行芹菜)、5∶1、3∶1的比例间作芹菜,烟粉虱虫口减退率最高分别可达62.45%、73.33%、86.67%,周植(在蔬菜种植小区四周“围栏状”种植1行芹菜,株距10cm)虫口减退率与芹菜间作5∶1相当;黄瓜田以1∶1和3∶1密度间作芹菜,烟粉虱虫口减退率最高分别可达77.14%、42.86%、5∶1间作时与对照差异不显著,周植芹菜仅在黄瓜生育前中期对烟粉虱有一定控制效果,在黄瓜生育后期无明显的控制效果;番茄田以3∶1与5∶1间作芹菜,烟粉虱虫口减退率最高分别可达90.12%、75.49%、8∶1间作时与对照差异不显著,周植芹菜仅在番茄生育前期对烟粉虱有一定控制效果,在番茄生育中后期无明显的控制效果。
The control effect of different celery planting methods and different intercropping density on the control of Bemisia tabaci (Gennadius) on three kinds of vegetables was studied by using celery (variety “Chinese parsley”) around and between the three vegetable fields of cucumber, pepper and tomato. The results showed that the highest rate of decline of pests was 62.45%, 73.33% and 86.67% respectively in the field of celery with the ratio of 8:1 (every 1 row of celery with 1 row of 8 capsicum) , Zhou Zhi (planting a row of celery in the “fence-like” around the vegetable planting area, spacing 10cm), the rate of decline was equal to that of the celery intercropping 5: 1; the cucumber was intercropping celery at a ratio of 1: 1 and 3: 1, The highest rate of infestation was 77.14% and 42.86%, respectively. There was no significant difference between the 5: 1 intercropping and the control. Zhouzeng celery had some control effects on B. tabaci only in the early and middle stages of cucumber, Control effect; tomato field to 3: 1 and 5: 1 for celery, the highest rate of pest population decline reached 90.12%, 75.49%, 8: 1 Intercropping with no significant difference between the control, Zhou Zhi celery only in tomato growth Bemisia tabaci had a certain control effect in the early stage of tomato growth and no obvious control effect.