Development and histopathology of Rotylenchulus reniformis in sweet potato roots

C.W.D. Brathwaite, E.J. Duncan


The reniform nematode, Rotylenchulus reniformis, completed its life cycle in feeder roots of sweet potato in 17-2l days after planting. Infected roots showed thick-walled cells in the cortex and endodermis, pitted tracheid and giant cells. Cork-like cells which resulted from hyperplasia in the cortex, enclosed the mature nematodes within the root tissue and resulted in the development of galls on the roots.

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