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| Jaastad, G.; Røen, D.; Helgheim, Å-M.; Hovland, B.; Opedal, O.. |
| Few control methods are available in Norwegian organic fruit production that can prevent damage by early and late larvae. Also phytophagous mites are difficult to control without harming the beneficial mites. Processed kaolin function by coating trees and thus creating a physical barrier to infestation, impeding movement, feeding and egg-laying. Kaolin may reduce feeding and movement of over-wintering tortricide larvae and other larvae that hatch early in spring and have a repellent effect against egg-laying tortricide females in summer. Kaolin may also have a control effect against mites as it clings to the body and reduce feeding. Trials with kaolin were conducted in 2003, 2004 and 2005 in plum and apple orchards. Results show that kaolin reduces... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Fruit and berries. |
| Ano: 2006 |
URL: http://orgprints.org/13760/1/ecofruit_12th_5.pdf |
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