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Research methods for allelopathic testing under controlled conditions: Alternative research methods for allelopathic testing of wheat and the weed hybrid Lolium multiflorum x perenne - Couverture souple

Ferreira, Michael; Reinhardt, Carl

 
9783846503614: Research methods for allelopathic testing under controlled conditions: Alternative research methods for allelopathic testing of wheat and the weed hybrid Lolium multiflorum x perenne
Couverture souple
ISBN 10 : 3846503614 ISBN 13 : 9783846503614
Editeur : LAP LAMBERT Academic Publishing, 2011

Synopsis

Allelopathy was evaluated for a series of rotational crops, namely barley, canola, wheat, lupine, medic, lucerne and, ryegrass in laboratory and greenhouse studies to identify inter-species allelopathic effects. This was followed by a study to test the appropriateness of the Biolog EcoPlateTM as a quick and relatively cheap method of establishing the presence of microbe interactions mediated by allelopathic root leachates from either rotational crops or L. multiflorum x perenne. A bioassay based on thin–layer chromatography (TLC) then followed to establish phytotoxic activity of extracts prepared with ethanol, ethyl acetate or dichloromethane on lettuce seed germination and radicle and cotyledon growth. Findings indicate that root exudates can influence the microbial community structure in the rhizosphere and location is an important factor governing plant-plant and plant-microbe interactions. The ethanol extract from fresh, immature ryegrass leaves, significantly inhibited the growth of lettuce radicles and cotyledons.

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À propos de l'auteur

Michael Ferreira was born on 18 May 1963 at Humansdorp, in the Eastern Cape Province of South Africa. His current research focus is Manipulation of weed seed banks, The use of smother crops for weed control, Soil solarisation and Allelopathic interaction between ryegrass and wheat, on which he obtained his Ph.D. degree at the University of Pretoria.

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Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2011
Langue
anglais
ISBN 10 
3846503614
ISBN 13 
9783846503614
Reliure
Broché
Nombre de pages
100
Coordonnées du fabricant
non disponible
Personne responsable
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