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Authors Mahmood, A; Athar, M
Author Full Name Mahmood, A.; Athar, M.
Title Cross inoculation studies: Response of Vigna mungo to inoculation with rhizobia from tree legumes growing under and environment
Source INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Language English
Document Type Article
Author Keywords tree legumes; rhizobia; cross inoculation; Vigna radiat; nodulation; nitrogen fixation
Keywords Plus LEUCAENA-LEUCOCEPHALA; NITROGEN-FIXATION; SPECIFICITY; NODULATION; DIVERSITY; GROWTH; HOST
Abstract Cross-inoculation experiments were conducted in the greenhouse to test the rhizobia isolated from nodules of seven tree legumes for their effectiveness in Vigna mungo plants. The tree legumes included Albizia lebbeck, Dalbergia sissoo, Leucaena leucocephala, Pithecellobium dulce, Prosopis cineraria, Prosopis glandulosa and Prosopis juliflora, all growing under and environment. Rhizobia from these legumes formed nodules on the roots of Vigna mungo except isolates from Albizia lebbeck. Dry weight and nitrogen contents of Vigna mungo plants increased significantly (P<0.05) in response to cross inoculation as compared to uninoculated control. Rhizobia from Leucaena leucocephala and Prosopis glandulosa showed significant increase in dry weight (P<0.05) and nitrogen contents (P<0.05) than other inoculated treatments. The natural rhizobia of wild tree legumes growing under arid environment show higher tolerance to prevailing adverse conditions like salt stress, elevated temperatures and drought. These rhizobia may be used to inoculate wild as well as crop legumes cultivated in reclaimed desert lands. These rhizobia may have specific traits that can be transferred to other rhizobia through genetic engineering tools. The cross infection of agriculturally important legumes with isolates from wild legumes may prove a useful means of increasing nitrogen contents within these plants.
Author Address [Athar, M.] Calif Dept Food & Agr, Sacramento, CA 95832 USA; [Mahmood, A.] Univ Karachi, Dept Bot, Karachi 75270, Pakistan
Reprint Address Athar, M (corresponding author), Calif Dept Food & Agr, 3288 Meadowview Rd, Sacramento, CA 95832 USA.
E-mail Address atariq@cdfa.co.gov
Times Cited 6
Total Times Cited Count (WoS, BCI, and CSCD) 7
Publisher SPRINGER
Publisher City NEW YORK
Publisher Address ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES
ISSN 1735-1472
29-Character Source Abbreviation INT J ENVIRON SCI TE
ISO Source Abbreviation Int. J. Environ. Sci. Technol.
Publication Date WIN
Year Published 2008
Volume 5
Issue 1
Beginning Page 135
Ending Page 139
Digital Object Identifier (DOI) 10.1007/BF03326006
Page Count 5
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number 284YN
Unique Article Identifier WOS:000254744500016
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