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

Abstract

Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. 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 AthiasHenriot, 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.

Evaluation of wild tomato accessions (Solanum spp.) for resistance to two-spotted spider mite (Tetranychus urticae Koch) based on trichome type and acylsugar content

“…All released adult females on these accessions stuck on the sticky exudate from glandular trichomes on the adaxial leaf surface and died (data not shown). This exudate blocked the mobility of the spider mites on the leaf surface to crawl from leaf to leaf (Van Haren et al 1987;Lucini et al 2015). Ample evidence links glandular trichomes, acylsugars and resistance to many arthropod pests including spider mite (Good and Snyder 1988;Maluf et al 2007;Saeidi et al 2007;Onyambus et al 2011;Lucini et al 2015), whitefly (Firdaus et al 2012, Lucatti et al 2013) and other arthropod pests (Maluf et al 2001;Resende et al 2006).…”

Amblyseius swirskii in greenhouse production systems: a floricultural perspective

“…Applying artificial leaf hairs (low densities of tiny fibers) and/or pollen to the canopy of plants lacking these resources enhances the persistence and egg production of A. swirskii (Loughner et al 2011;Adar et al 2014). Predatory mites may experience a negative effect from glandular trichomes, which trap the mites in their sticky excretions (van Haren et al 1987;Cédola et al 2002), yet this does not seem to be an obstacle for A. swirskii on tomato (Buitenhuis et al 2014b;Park et al 2010). However, nothing is known about the effect of toxic exudates of glandular trichomes on A. swirskii or about glandular trichomes on crops other than tomato.…”

Understanding and Manipulating Plant Attributes to Enhance Biological Control

“…These effects include toxicity (e.g., Kauffman and Kennedy, 1989) and reduced mobility (e.g., Obrycki and Tauber, 1984;van Haren et al, 1987) and generally lead to reduced efficiency. However, this morphological trait can also favor natural enemies.…”