香蕉花蓟马对不同颜色的敏感性及色板田间悬挂组合选择

Sensibility of Thrips hamaiiensis to Different Colors and Hanging Groups Screening of Sticky Cards in the Field

为明确香蕉花蓟马对不同颜色的敏感性及色板的田间悬挂组合,以香蕉种植基地为试验点,分别比较香蕉花蓟马对10种基本色和8种同类色的敏感性差异,测定颜色、悬挂高度和悬挂方式三者对香蕉花蓟马的互作效应。结果表明:10种基本色中,香蕉花蓟马对黄色最敏感,其次为粉色、蓝色和青色,对其他6种颜色的敏感性较弱;8种同类色中,香蕉花蓟马对橙黄最敏感,其次为香蕉黄、镉黄和纯黄,对其他4种黄色的敏感性较弱。颜色、悬挂高度和悬挂方式均显著影响粘虫色板对香蕉花蓟马成虫的诱集效果,三者间互作效应显著;4种敏感黄色粘虫板,香蕉黄、橙黄和纯黄的悬挂高度均以粘虫板底端与花蕾肩部平齐为宜,镉黄的悬挂高度以粘虫板底端高出花蕾肩部20 cm为宜,悬挂方式均以粘虫板长边为底端为宜,这4种组合以橙黄粘虫板组合对香蕉花蓟马的田间诱集效果最好。

To define the sensibility of Thrips hamaiiensis to different colors and hanging groups of sticky cardsin the field, the authors compared the sensibility of T. hamaiiensis to 10 fundamental colors and 8 similarcolors, investigated the interaction effect of color, hanging height and hanging mode on T. hamaiiensis in the Musa nana planting base. The result showed that in 10 fundamental colors, yellow was the most sensitive colorof T. hamaiiensis, the next were pink, blue and cyan. T. hamaiiensis was slightly sensitive to the other 6 colors.In 8 similar colors, orange-yellow was the most sensitive color of T. hamaiiensis, the next were banana-yellow,cadmium-yellow and pure-yellow. T. hamaiiensis was slightly sensitive to the other 4 yellow colors. Color,hanging height and hanging mode all significantly affected the trapping effect of sticky cards to T. hamaiiensis,so did the interaction effect among the 3 factors. The appropriate hanging height of banana-yellow, orange-yellow and pure-yellow were all equally high with the shoulder of bud where the bottom of sticky card was.And the appropriate hanging height of cadmium-yellow was 20 cm above the shoulder of bud where the bottomof sticky card was. But the appropriate hanging modes of 4 sensitive yellow sticky cards all used length as the bottom of sticky cards. In the end, the field trapping effect of orange-yellow group sticky card was best in these4 sensitive yellow group sticky cards.