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

RJF Van Haren, MM Steenhuis, MW Sabelis, OMB de De Ponti

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

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.
Original languageEnglish
Pages (from-to)115-121
Number of pages7
JournalExperimental and Applied Acarology
Volume3
Issue number2
DOIs
Publication statusPublished - Jun 1987

Keywords

  • biological control
  • spider mite
  • predatory mite
  • tomatoes

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