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| Article Name : | | | NODULATION AND GROWTH PARAMETERS OF CASUARINA GROWN IN SANDY AND CALCAREOUS SOILS AS INFLUENCED BY LOCALLY ISOLATED FRANKIA STRAINS ISOLATED FROM ECOLOGICALLY DIFFERENT AREAS IN EGYPT | | Author Name : | | | Gomaa A.M. , El-Esawy, T.M. , the late Azzazy, M.A. and Gadow, S.I. | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | ROR-1182 | | Article : | |  | Author Profile | | Abstract : | | | Sixteen Frankia pure isolates were isolated from three ecologically different Egyptian governorates i.e., five isolates from Kafr El-Sheikh, five isolates from New Valley and six isolates from Ismailia. According to their physiological properties, it was found that the isolated Frankia were identified as fifteen different Frankia strains belonging to the species of Frankia casuarina. In sandy soil, no nodules were formed in the control seedlings. The inoculated seedlings produced nodules dry weight ranged from 0.41 to 1.93 g/seedling with increases over the Br reference strain reached 13 to 15%. Inoculation of Casuarina seedlings with the local Frankia strains increased roots length and roots dry weight. The increases over the Br reference strain ranged from 3 to 130% and 0.4 to 139% consecutively. . | | Keywords : | | - sandy and calcareous soils
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