Base de Données Bibliographiques de l'INRA


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Date entered:20120217
Last modified:20160119
Team:inraseb, maria
ARN:MA2012100001
Record status:C
Bibl. level:AS
Type of publication:J
English title:GENOTYPIC VARIATION OF PHOSPHORUS USE EFFICIENCY AMONG MOROCCAN FABA BEAN VARIETIES (VICIA FABA MAJOR) UNDER RAINFED CONDITIONS
French title:Variation génotypique d'utilisation efficiente du phosphore chez des variétés marocaines de fève (Vicia faba major) en culture pluviale
Languages:(En)
Authors:Daoui, K. (INRA, Meknes (Ma) centre Régional de la Recherche Agronomique de Meknes), E-mail:daoui_khalid@hotmail.com; Karrou, M. (ICARDA, Alep (Syrie)) Mrabet, R. (INRA,Tanger (Ma) centre Régional de la Recherche Agronomique de Tanger), E-mail:rachidmrabet@yahoo.co.uk; Fatemi, Z.A. (INRA, Meknes (Ma) centre Régional de la Recherche Agronomique de Meknes), E-mail:zfatemi03@yahoo.fr; Draye, X. (Universite Catholique de Louvain, Louvain la Neuve, Belgium, Laboratory of Crop Physiology and Plant Breeding) Ledent, J. F. (Universite Catholique de Louvain, Louvain la Neuve, Belgium, Laboratory of Crop Physiology and Plant Breeding)
Collation:pp. 34-48
Summary:Résumé (En)
Notes:8 tabl., 1 fig., 30rèf.
On-line availability -A:http://webagris.inra.org.ma/doc/daoui12111.pdf
Serial title:Journal of Plant Nutrition
ISSN:0190-4167
Date od publ.-S:dec. 2011
Collation-S:v.35 (1)
Languages-S:(En)
Availability-S:INRA DIC BP 6512 RI Rabat Morocco -
Online avail.-S:http://www.tandfonline.com/loi/lpla20
Prim.subj.categ.:F04-Fertilizing
Sec.subj.categ.:F61-Plant physiology - Nutrition
Descriptors - En:VICIA FABA; PHOSPHATE FERTILIZERS; FERTILIZER APPLICATION; PLANT NUTRITION; MOROCCO;
Descriptors - Fr:VICIA FABA; ENGRAIS PHOSPHATE; FERTILISATION; NUTRITION DES PLANTES; MAROC;
Descriptors - Sp:VICIA FABA; ABONOS FOSFATADOS; APLICACION DE ABONOS; NUTRICION DE LAS PLANTAS; MARRUECOS;
Abstract:Faba bean (Vicia faba L.) is one of the most important food legumes grown in Morocco under rainfed conditions. This crop requires phosphorus (P) fertilizers to produce higher yields. However, many farmers use low quantities of P because of its cost and the risk of drought. Consequently, the use of varieties with high P use efficiency (PUE) can improve productivity and farmers' income under erratic conditions where the application of high amounts of P is not economically justified. The genetic variation of PUE among Moroccan faba bean varieties was studied under different levels of available phosphorus to orientate the choice of adapted varieties. Two experiments were conducted, under rainfed conditions, at the experiment station of Douyet (Morroco) in 2000–2001 (year 1) and 2002–2003 (year 2). In both years, four P treatments 0, 40, 80 and 120 kg P2 O5 ha−1 as fertilizer and four faba bean varieties (G) were tested. In year 1, the varieties tested were Aguadulce, Defe`s, Karabiga and Lobab. The same varieties were used in year 2 with the exception of Aguadulce, which was replaced by a determinate genotype with smaller straw production. Results showed that the G effect on PUE was significant in year 1, but not in year 2. In the conditions of the moderate P availability (year 1), the variety Defes had the highest PUE and grain yield. Where P availability was lower (year 2), the highest PUE was reached by Karabiga; however, the difference with Defes was not significant. Data showed also that PUE was positively correlated with harvest index (HI) and phosphorus harvest index (PHI). In year 1, genotypic variation for PUE was mainly explained by phosphorus utilization efficiency; but not by phosphorus uptake efficiency. From this study, we can conclude that for rainfed conditions, the breeding strategy is to develop genotypes like Defes with high HI and improved PUE.
MFN:001654