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PJB-1976-13
Histology of the root nodules of melilotus albus and trifolium alexandrinum
Abstract
The rhizobia entered the root of melilotus albus and trifolium alexandrinum through the root hairs and formed infection threads. The infected root hairs were curled. The infection threads could be seen in the cortex of the root as well as in the bacteroid region of the nodules. Origin of nodules was exogenous in both the plants. The mature nnodule consisted of four regions 1) the nodule meristem
