University of Khartoum

Effects of Rhkobium meliloti and VA-Mycorrhiza on Plant Density and Seed Production of Two Alfalfa Cultivars

Effects of Rhkobium meliloti and VA-Mycorrhiza on Plant Density and Seed Production of Two Alfalfa Cultivars

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dc.contributor.author Abusuwar, Awad
dc.date.accessioned 2015-03-19T09:47:24Z
dc.date.available 2015-03-19T09:47:24Z
dc.date.issued 2011
dc.identifier.uri http://hdl.handle.net/123456789/7170
dc.description This paper had been presented for promotion at the university of Khartoum. To get the full text please contact the other at Abusuwar @ yahoo.com en_US
dc.description.abstract A field experiment was conducted at the Demonstration Farm of the Faculty of Agriculture, University of Khartoum in Shambat during the period December, 1997-June 1999 to investigate the effects of Rhizobium meliloli. Vesicular arbiscvlar mycorrhiza (VAM), and their combinations on plant density and seed production of two alfalfa cultivars (local Hegazi and imported Pioneer 5929). The treatments consisted of Rhizobium inoculation, VA-Mycorrhizal inoculation, a combination of R+VAM, and a reference check as a control. A split plot design, with cultivars in the main plots and microorganisms in the subplots, was used. The microorganisms (bacteria and fungi) alone or in combination significantly improved plant density and seed yield of the two cultivars. Rhizobium increased total seed production over the control by 33%. Corresponding increments for the VAM alone and in combination with Rhizobium were 49.5% and 46%, respectively. The local cultivar Hegazi out-yielded the introduced Pioneer 5929 in seed yield components and total seed yield and significantly produced more plants per unit area compared to the introduced one. It produced 21% more seeds compared to the Pioneer 5929 variety. en_US
dc.publisher University of Khartoum en_US
dc.subject Rhizobium meliloli; Mycorrhiza; Alfalfa. en_US
dc.title Effects of Rhkobium meliloti and VA-Mycorrhiza on Plant Density and Seed Production of Two Alfalfa Cultivars en_US
dc.type Article en_US

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