Washing technique for monitoring mites in apple orchards |
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Authors: | Miloslav Zacharda Old?ich Pultar Jaroslav Mu?ka |
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Institution: | (1) Institute of Entomology, Czechoslovak Academy of Sciences, Brani ovská 31, 370 05 eské Budéjovice, Czechoslovakia;(2) Biolaboratories of the Agriculture Farm Mír, 387 72 Chel ice, Lib jovice, Czechoslovakia |
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Abstract: | A shake-and-wash technique for monitoring the predatory phytoseiid mitesTyphlodromus pyri, Amblyseius finlandicus, and their prey,Panonychus ulmi, Tetranychus urticae andAculus schlechtendali in commercial apple orchards was developed. The removal and recovery of mites from leaves, shoots and spurs is based on agitating the plant material by hand in alcohol and subsequently removing the mites using a separating funnel. The mites are quickly killed and easily washed off the plant material, and are thus well preserved for further study. The technique is more efficient than directly counting the mites on plant material under a dissection microscope and can be easily employed both in the laboratory and in the field. |
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