Inter-cropping with berseem clover ( Trifolium alexandrinum) reduces infection by Orobanche crenata in legumes

Grain legume production in the Mediterranean area is threatened by the holoparasitic plant Orobanche crenata to which little resistance is available in affected crops. Berseem clover is a forage legume of economic importance in Eastern Mediterranean region and tropical areas. It has been suggested a...

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Bibliographic Details
Published in:Crop protection 2010-08, Vol.29 (8), p.867-871
Main Authors: Fernández-Aparicio, M., Emeran, A.A., Rubiales, D.
Format: Article
Language:English
Subjects:
allelochemicals
Allelopathy
Broomrape
chickpeas
Cicer arietinum
faba beans
field crops
field experimentation
forage crops
forage legumes
Germination
Inter-cropping
intercropping
Lens culinaris
lentils
Orobanche crenata
parasitic plants
Parasitic weeds
peas
Pisum sativum
seed germination
trap crops
Trifolium alexandrinum
Vicia faba
weed control
weeds
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Summary:Grain legume production in the Mediterranean area is threatened by the holoparasitic plant Orobanche crenata to which little resistance is available in affected crops. Berseem clover is a forage legume of economic importance in Eastern Mediterranean region and tropical areas. It has been suggested as a suitable trap crop for controlling O. crenata. In this work we propose its use as an inter-crop with grain legumes. We describe its allelopathic activity against germination of O. crenata seeds. Results are supported by three years of field experimentation in Egypt with a significant reduction of O. crenata infection on faba bean and pea inter-cropped with berseem clover. Mini-rhizotron experiments demonstrated the reduction of O. crenata infection on pea, lentil and chickling pea.
ISSN:0261-2194
1873-6904
DOI:10.1016/j.cropro.2010.03.004