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Publication Type J
Authors Hafeez, FY; Hameed, S; Malik, KA
Author Full Name Hafeez, FY; Hameed, S; Malik, KA
Title Frankia and Rhizobium strains as inoculum for east growing trees in saline environment
Source PAKISTAN JOURNAL OF BOTANY
Language English
Document Type Article
Keywords Plus ROOT-NODULES; CASUARINA-CUNNINGHAMIANA; LEGUMES; GROWTH; SPORULATION; INFECTIVITY; FIXATION; HFPCCI3; VESICLE
Abstract Frankia strains isolated from actinorhizae of 7 Casuarina/Allocasuarina species were screened for nodulation and nitrogen fixing ability on Casuarina glauca and C. obesa plants under controlled environmental conditions. Five out of 13 strains were found to induce root nodules on C, glauca with none on C, obesa. Similarly various rhizobial strains were screened for nodulation and nitrogen fixation on 4 Acacia species. Frankia strains CcO1 and CcI3 and Rhizobium strains Abal, Ar2-1 and PMA63/1 were checked for sodium chloride tolerance in vitro. Frankia strain CcO1 showed tolerance for upto 500 nth NaCl concentration (Ec(e) 47 dSm(-1) approx.), whereas strain Cc13 was sensitive to even 100 mM NaCl concentration (Ec(e) 9 dSm(-1) approx.). The 3 rhizobial strains showed tolerance upto 300 mM NaCl concentration (Ec(e) 28 dSm(-1) approx.). A morphological and dry weight analysis for the initiation and development of sporangia in Frankia strains CcO1 and Cc13 grown on modified basal propionate medium showed increase in dry weight and number of sporangia formation. Indigenous population of rhizobial cells was found to be very low, 2 cells g(-1) of saline soil with an Ec(e) level of 5-7 dSm(-1). The Frankia population was completely absent in the saline soil, indicating the requirement for inoculation of the host plants by their respective microorganisms.
Author Address Natl Inst Biotechnol & Genet Engn, Faisalabad, Pakistan
Reprint Address Hafeez, FY (reprint author), Natl Inst Biotechnol & Genet Engn, POB 577,Jhang Rd, Faisalabad, Pakistan.
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Cited Reference Count 23
Times Cited 5
Total Times Cited Count (WoS, BCI, and CSCD) 6
Publisher PAKISTAN BOTANICAL SOC
Publisher City KARACHI
Publisher Address DEPT OF BOTANY UNIV KARACHI, 32 KARACHI, PAKISTAN
ISSN 0556-3321
29-Character Source Abbreviation PAKISTAN J BOT
ISO Source Abbreviation Pak. J. Bot.
Publication Date JUN
Year Published 1999
Volume 31
Issue 1
Beginning Page 173
Ending Page 182
Page Count 10
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number 230FV
Unique Article Identifier WOS:000082241900020
Plants associated with this reference

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