Species presence and density of tetranychid and phytoseiid mites in unsprayed and sprayed apple orchards in Northern Israel |
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| Authors: | Fadel Mansour |
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| Institution: | 1. Dept. of Entomology, ARO, Newe Ya’ar Experiment Station, 31999, Haifa Post, Israel
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| Abstract: | Species presence and density of mixed populations of phytophagous tetranychid and predacious phytoseiid mites were studied
in sprayed and unsprayed apple orchards in northern Israel during three growing seasons. Two species of phytophagous tetranychids,
namely,Tetranychus cinnabarinus Boisduval andT. Urticae Koch, and two species of predatory phytoseiid mites —Typhlodromus athiasae Porath and Swirski andAmblyseius swirskii Athias-Henriot — were found. Predator density was lower than herbivore density in sprayed commercial orchards, but the reverse
was true in unsprayed orchards.
Contribution from the Agricultural Research Organization. No. 2855-E, 1989 series. |
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| Keywords: | Tetranychus cinnabarinus Tetranychus urticae Typhlodromus athiasae Amblyseius swirskii species composition phenology |
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