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Nodulation of Tropical Legumes I. Specificity in the Rhizobium Symbiosis of Leucaena leucocephala

Published online by Cambridge University Press:  03 October 2008

M. J. Trinick
Affiliation:
Department of Agriculture, Stock and FisheriesKonedobu, Papua

Summary

Leucaena leucocephala (Lam.) de Wit. failed to nodulate with 94 of the 99 strains of Rhizobium tested, representing the seven recognized cross-inoculation groups of nodule bacteria. A group of legumes including L. leucocephala, Mimosa invisa Mart., M. pudica L., Acacia farnesiana (L.) Willd. and Sesbania spp. showed the properties of a cross-inoculation group of plants. Rhizobia isolated from these legumes were all fast-growers and nodulate L. leucocephala, often effectively, and also many other tropical legumes, including Vigna sinensis (L.) Savi ex Hassk., which are usually nodulated effectively with slow-growing root-nodule bacteria. The taxonomic significance of the results is discussed.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1968

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