论文部分内容阅读
[目的]探讨植物油乳油对黄瓜白粉病的室内活性和田间防治作用。[方法]以长春密刺黄瓜苗为材料,接种田间自然发生黄瓜白粉病菌,进行室内保护试验和田间试验,观察不同植物油乳油对黄瓜白粉病菌的防治效果。[结果]棉籽油、豆油、花生油、玉米油、芝麻油和葵花油6种植物油乳油稀释至10、5ml/L对黄瓜白粉病具有较好的防治作用;植物油乳油的室内保护效果与对照药剂三唑酮乳油相当,而在田间防治效果方面植物油乳油防效多数都在60%～75%,与对照药剂三唑酮乳油稀释1ml/L的防治效果69%～70%也相当。[结论]试验中所有植物油乳油对黄瓜白粉病的防治效果都很显著。
[Objective] The research aimed to study the indoor activity and field control effect of vegetable oil EC on cucumber powdery mildew. [Method] The cucumber seedlings of Changchun bollworm were used as materials to naturally inoculate cucumber powdery mildew in field. The indoor protection experiment and field experiment were conducted to observe the control effect of different vegetable oil EC on cucumber powdery mildew. [Result] The results showed that the indoor protective effect of vegetable oil emulsifiable concentrate was better than that of the control drug triazole Ketoconazole equivalent, and in the field of control efficacy of vegetable oil EC most of the control effect of 60% to 75%, compared with the control agent triadimefon diluted 1ml / L control effect of 69% to 70% is also quite. [Conclusion] All the vegetable oil EC in the experiment had a very good control effect on cucumber powdery mildew.