“一品红”花卉上烟粉虱的消长和防治研究

The Study on Fluctuation and Control of Whitefly on Poinsettia

[目的]研究烟粉虱在"一品红"上的消长,为烟粉虱的防治提供参考。[方法]调查"一品红"不同生育生长期内烟粉虱的数量,研究其消长;比较不同处理在不同时期对烟粉虱的防治效果,研究优化综合防治措施。[结果]"一品红"全生育期有2个危害高峰;通过综合防治措施的落实,"一品红"的白茎病从2005年的30%下降到2006年的1.5%,2007年无发病植株。[结论]综合防治措施对烟粉虱的抑制效果较好。

[Objective] The research aimed to study the fluctuation of whitefly on poinsettia and provide references for the control of whitefly.[Method] The fluctuation of whitefly on poinsettia was studied by investigated the number of whitefly during different stages of growth period of poinsettia.The optimization comprehensive measures were studied by comparing the control effect on whitefly during different stages by different methods.[Results] Poinsettia had two damaging peaks during whole growth period.The rate of white-stem disease decreased from 30% in 2005 to 1.5% in 2006,and in 2007 there was no sicken plant.[Conclusion] The comprehensive measures of was effective for the control of whitefly.