INFLUENCE OF GROUND COVER AND HERBICIDE TREATMENTS ON TETRANYCHUS-URTICAE POPULATIONS IN PEACH ORCHARDS

被引:31
作者
MEAGHER, RL
MEYER, JR
机构
[1] Department of Entomology, North Carolina State University, Raleigh, Box 7626 Grinnells Lab., NC
关键词
D O I
10.1007/BF01193424
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Two-spotted spider mites, Tetranychus urticae Koch, were sampled in peach orchards to quantify abundance in trees over different types of ground cover to document the dispersal of mites from orchard-floor plants to trees. Mite populations developed more quickly and with higher densities in trees over ground cover compared to bare ground, and specifically over covers of predominantly narrowleaf vetch, Vicia angustifolia Reichard. Orchard floor plants such as Vicia, Geranium, Lamium, and Lepidium contained relatively high densities of mites during early spring, and may have formed the source for later peach-tree infestation. © 1990 Elsevier Science Publishers B.V.
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页码:149 / 158
页数:10
相关论文
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