西花蓟马对不同颜色粘卡的嗜好及其诱虫效果

西花蓟马对14种不同颜色粘卡的嗜好及其诱虫量比较试验数据显示,颜色较浅的1号和4号黄色粘卡诱虫效果显著高于12号粘卡（市售黄板）.在测定颜色范围内,随黄色程度变浅诱集效果逐渐增强,蓝色粘卡从9号开始随颜色变深或变浅,诱虫效果均逐渐降低,黄色1号的诱虫效果最好,与黄色4号和蓝色9号粘卡的效果差异不显著.结果表明市场上出售的蓝色和黄色均不是诱集效果最好的颜色或亮度,以前没有黄色粘卡对西花蓟马诱集效果的报道.

Trapping effect of difference color sticky cards to Frankliniella occidentalis

The test on the preference of the Frankliniella occidentalis to 14 color sticky cards was carried out in a sweet pepper fields.The result showed of all the yellow sticky cards observed the thrips had the stronger preference to the No.1 and the No.4 than to the No.12(for sale),and the more light for yellow,the better for trapping effect.Of all the blue sticky cards observed the trapping effect of the No.9 is the best,and the effect reduced gradually with the more light or dark for color.For all the cards,the effect of the No.1 is the best,but not significantly different from the No.4 and the No.9.The color and light degree of sticky cards for sales is not best to trapping effect.It was not reported the thrips have preference to the yellow sticky cards before.