Effect of Rhizobium inoculation on Growth and Nodulationof Albizzia procera, Albizzia lebbeck and Leucaena leucocephalaEnglish Full Text

U. K. ARYAL; M. K. HOSSAIN; M. A. U. MRIDHA; H. L. XU and H. UMEMURA (Institute of Forestry and Environmental Sciences, University of Chittagong (Bangladesh))(International Nature Farming Research Center 5632-Hata, Nagano-390-1401 (Japan))(Department of Botany, University of Chittagong (Bangladesh))

Abstract: Effects of inoculation of Rhizobium suspension on nodulation and plant growth were examined withAlbizzia procera, Albizzia lebbeck and Leucaena leucocephala seedlings grown on sterilized and non-sterilizedsoil media. Inoculation resulted in nodule number increases of 28.6, 29.02 and 23.9 times in sterilized soiland 3.4, 3.6 and 3.27 times in non-sterilized soil for A. parocera A. lebbeck and L. leucocephala seedlingsrespectively. Total dry mass increased by 127.6%, 66.7% and 60.7% in sterilized soil and 100%, 95.5%and 52.65% in non-sterilized soil for these three legume trees, respectively, after a period of two months.Significalltly high inoculation responses of root length, root diameter, collar diameter, shoot length, and drymass of root, shoot, leaves and nodules were also observed in both sterilized and non-sterilized soil media ascompared to respective control treatments. The response to inoculation was strong in sterilized and modestin non-sterilized soils. The significantly higher response to Rhizobium inoculation over control in all thespecies tested suggested that application of Rhizobium greatly enhanced plant growth, nodulation, biomassproduction and nitrogen-fixing activity of the nodules.

Keywords：

biomass production; nitrogen fixation; nodulation; Rhizobium suspension; symbiotic association;

Series：
(D) Agriculture
Subject：
Fundamental Science of Agriculture; Agronomy
Classification Code：
S144.3

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Effect of Rhizobium inoculation on Growth and Nodulationof Albizzia procera, Albizzia lebbeck and Leucaena leucocephalaEnglish Full Text

U. K. ARYAL; M. K. HOSSAIN; M. A. U. MRIDHA; H. L. XU and H. UMEMURA (Institute of Forestry and Environmental Sciences, University of Chittagong (Bangladesh))(International Nature Farming Research Center 5632-Hata, Nagano-390-1401 (Japan))(Department of Botany, University of Chittagong (Bangladesh))

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