Potato leafbopper (Homoptera: Cicadellidae) varietal preferences in edible beans in relation to visual and olfactory cues
Potato leafbopper (Homoptera: Cicadellidae) varietal preferences in edible beans in relation to visual and olfactory cues
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DOI：
10.1603/0046-225x-33.5.1381
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发表时间：
2004-10-01
影响因子：
1.7
通讯作者：
Schaafsma, AW
中科院分区：
文献类型：
--
作者：
Bullas-Appleton, ES;Otis, G;Schaafsma, AW
迁飞的马铃薯叶蝉Empoasca fabae（Harris）成虫对菜豆（Phaseolus vulgaris L.）实验室实验进行，以确定视觉和嗅觉线索在这些偏好的作用。在Y型嗅觉仪二元比较试验中，没有发现对任何特定品种的食用豆的偏好：在嗅觉刺激的基础上选择叶片时。成年马铃薯叶蝉选择'伯纳荷兰棕'的频率与'黄貂鱼白色'豆和'EMP 419'一样高。当成年马铃薯叶蝉从有机玻璃室中的空中位置选择形状和大小均匀的小叶时，"Berna Dutch brown"明显优于"黄貂鱼白色豆"（24%）和"EMP 419"（22%）（54%）。一个外部积分球连接到便携式分光辐射计被用来确定的波长反射率的'伯纳荷兰棕'，'黄貂鱼白'，和'EMP 419'豆小叶。与"黄貂鱼白色"和"EMP 419"相比，"伯纳荷兰棕"豆小叶在光谱的绿色区域具有较高的百分比反射率读数，在光谱的蓝色和黄色区域具有较低的百分比反射率读数。虽然主机寻找行为可能涉及视觉和嗅觉刺激之间的相互作用，本研究的结果表明，叶色显着影响主机的偏好，而主机气味没有。
Migratory adult potato leafhoppers, Empoasca fabae (Harris), have shown a preference for particular cultivars of edible beans, Phaseolus vulgaris L. Laboratory experiments were conducted to determine the role of visual and olfactory cues in these preferences. No preference for any particular cultivar of edible bean was detected in Y-tube olfactometer binary comparison tests: when selecting leaves on the basis of olfactory stimuli. Adult potato leafhoppers chose 'Berna Dutch brown' as frequently as 'Stingray white' bean and 'EMP 419'. When adult potato leafhoppers selected leaflets of uniform shape and size from an aerial position in a Plexiglas chamber, 'Berna Dutch brown' was significantly preferred (54%) over 'Stingray white bean' (24%) and 'EMP 419' (22%). An external integrating sphere attached to a portable spectroradiometer was used to determine the wavelength reflectance of 'Berna Dutch brown','Stingray white', and 'EMP 419' bean leaflets. 'Berna Dutch brown' bean leaflets had higher percent reflectance readings in the green region of the spectrum and lower percent reflectance readings in the blue and yellow regions of the spectrum compared with 'Stingray white' and 'EMP 419'. Although host-finding behavior may involve an interaction between visual and olfactory stimuli, the results of this study indicate that leaf color significantly influences host preference, whereas host odor does not.