Abstract

Mango, Mangifera indica L. Family – Anacardiaceae, an economically important fruit tree, was selected to study the effect of seasonal changes of the population of plant parasitic nematodes viz., Hoplolaimus indicus, Helicotylenchus indicus, Rotylenchulus reniformis, Tylenchorhynchus mashoodi, Tylenchus filiformis and Hemicriconemoides mangiferae around the roots. The population was investigated at 10, 20 and 40 cm depths. It was observed that seasonal fluctuations have a direct effect on the nematode population. The population was larger at 10 cm depth followed by 20 and 40 cm depths. The largest nematode population was observed when the percent soil moisture was high. Both soil temperature and soil moisture were equally important. The soil pH also affected indirectly the nematode population densities.

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