Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 491181
Title Biologische bestrijding van de glimslak (zonitoides arboreus) in potorchidee : Effect van koper-ionen op de glimslakken
Author(s) Staaij, M. van der; Visser, W. de
Source Bleiswijk : Wageningen UR Glastuinbouw (Rapport GTB 1367) - 42
Department(s) GTB Gewasgez. Bodem en Water
Land Use and Food Security
Publication type Research report
Publication year 2015
Keyword(s) gewasbescherming - zonitoides arboreus - slakkenbestrijding - siergewassen - orchideeën als sierplanten - koper - biologische bestrijding - huisjesslakken - glastuinbouw - plant protection - zonitoides arboreus - mollusc control - ornamental crops - ornamental orchids - copper - biological control - snails - greenhouse horticulture
Categories Ornamental Plants / Biological Control
Abstract Growers of orchids know how noxious this small species of snail (Zonitiodes arboreus) is. The snail is only approximately 0,5 cm in diameter. They spent most of their lives in growing media like bark and coco. They eat from the roots. This causes damage of the orchids. In the trails the snails were exposed to copper-ions, five dosages by means of direct contact, treated food and the treatment of Oncidium-plants, infected with the snails, with copper-ions during three months. The results showed that there was no visible effect on the snails. They behaved normally and were all alive. Weekly applications of copper-ions caused accumulation of copper in the leaves, the roots and the growing medium. Specially in the roots the levels were high. The different dosage caused no damage to the orchids. Only the growers saw some (very little) reduction in growth of the roots in comparison with the roots of the untreated plants.
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