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Growth response of maize roots to azospirillum inoculation

Titre :	Growth response of maize roots to azospirillum inoculation : effect of soil organic matter content, number of rhizosphere bacteria and timing of inoculation. Ajouter au panier
Est un extrait ou un tiré à part de :	Soil biology & biochemistry
Auteur(s) :	Elazar Fallik, Auteur (et co-auteur) Yaacov Okon, Auteur (et co-auteur) Meir Fischer, Auteur (et co-auteur)
Type de document :	Tiré à part
Sujets :	Maïs ; Azospirillum ; Rhizobium ; Réponse de la plante ; Relation plante sol
Résumé :	Root surface area of maize seedlings was the most reliable criterion in evaluation and measurement of the growth responses of maize inoculated with Azospirillum. The optimal concentration of Azospirillum inoculum for increasing root surface areas was 10' colony forming units (cfu) per plant. A rhizosphere-inhabiting fluorescent Pseudomonas that was used for comparison did not cause any changein root surface area. No differences were observed when maize was inoculated either at pre-emergence, post-emergence of by combining both treatments; A high concentration of Pseudomonas (108 cfu g-1 sand) diminished the influence of Azospirillum on root surface area. Azospirillum did not contribute to the increase of root surface area once the organic matter mixed with sand exceeded 1% by weight.
Editeur(s) :	Pergamon Journals
Date de publication :	1988
Format :	pp. 45-49 / graph., ref.
Note(s) :	Vol.20 - n°1
Langue(s) :	Anglais
Lien vers la notice :	https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=149834