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Tomato stem trichomes and dispersal success of Phytoseiulus persimilis relative to its preyTetranychus urticae

Tomato stem trichomes and dispersal success of Phytoseiulus persimilis relative to its preyTetranychus urticae

Samenvatting

Tomato varieties used at present for commercial production in Dutch glasshouses have a high density of glandular trichomes on the stem, but a very low density on the leaves. The two-spotted spider mite, Tetranychus urticae Koch, and the predatory mite, Phytoseiulus persimilis Athias-Henriot, usually disperse from leaf to leaf via the stem, thereby incurring high risks of entrapment (and death) in the exudate of the glandular trichomes. These risks have been quantified on the tomato cv. 'Turbo' and an accession of Lycopersicon peruvianum almost free of glandular trichomes. The possible consequences for biological control are discussed and new perspectives for predator release strategies and for plant breeding are considered. © 1987 Elsevier Science Publishers B.V.

OrganisatieHanzehogeschool Groningen
Gepubliceerd inExperimental and Applied Acarology Kluwer Academic Publishers, Vol. 3, Uitgave: 2, Pagina's: 115-121
Datum1987-06
TypeArtikel
DOI10.1007/BF01270473
TaalEngels

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