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Mixed cropping systems for biological control of weeds and pests in organic oilseed crops

Paulsen, Hans Marten; Schochow, Martin; Ulber, B; Kühne, Stefan and Rahmann, Gerold (2006) Mixed cropping systems for biological control of weeds and pests in organic oilseed crops. In: Atkinson, Chris and Younie, David (Eds.) What will organic farming deliver?, AAB Office, Warwick, UK, Aspects of Applied Biology, no. 79, pp. 215-220.

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Agricultural advantages of mixed cropping are gained by biological effects like light competition, offering weed-suppressing capacities or by diversification of plant covers to break development cycles of pests. In a two-year project on mixed cropping with organic oilseed crops these effects were measured. It was found that weeds can be efficiently suppressed in organic linseed (Linum usitatissivum) in crop combinations with wheat (Triticum aestivum) or false flax (Camelina sativa). But linseed development was strictly limited. Also in organic pea production (Pisum sativum) the introduction of mixtures with the oil crop false flax led to a significant decrease of weed population. Either culture showed a balanced plant development. In winter rape (Brassica napus) hints were found that infestation by insect pests can be directly reduced in mixtures with cereals or legumes and that parasitoids of insect pests are supported.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:mixed crops, weed suppression, insect pests, beneficial parasitoids, BÖL, BOEL, FKZ 03OE113
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Weed management
Research affiliation: Germany > Federal Research Institute for Rural Areas, Forestry and Fisheries - VTI > Institute of Organic Farming - OEL
Related Links:http://www.bundesprogramm-oekolandbau.de, http://www.bundesprogramm.de/fkz=03OE113, http://orgprints.org/perl/search/advanced?addtitle%2Ftitle=&keywords=03OE113&projects=BOEL&_order=bypublication&_action_search=Suchen
Deposited By: Rahmann, Prof. Dr. Gerold
ID Code:9309
Deposited On:27 Sep 2006
Last Modified:12 Apr 2010 07:34
Document Language:English
Refereed:Peer-reviewed and accepted

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