Influence of ground cover and herbicide treatments onTetranychus urticae populations in peach orchards |
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| Authors: | R. L. Meagher Jr. J. R. Meyer |
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| Affiliation: | (1) Department of Entomology, North Carolina State University, Box 7626 Grinnells Lab. Raleigh, NC 27695-7626, USA;(2) Present address: Texas Agricultural Experiment Station, 78596 Weslaco, TX, USA |
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| Abstract: | 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 asVicia, Geranium, Lamium, andLepidium contained relatively high densities of mites during early spring, and may have formed the source for later peach-tree infestation.Paper no. 11982 of the Journal Series of the North Carolina Agricultural Research Service, Raleigh, NC 27695-7643, U.S.A. |
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