Abstract

Observations were made on the variation in shape of crenate, present in the tail region, the main identifying character of Helicotylenchus crenacauda Sher, 1966 collected from the banana plantations in North 24-Parganas district of West Bengal. The changes in shape were also studied by Scanning Electron Microscopy. Molting stage of the species was observed particularly in pre-monsoon season. The month wise variation in different edaphic factors during the period was noted and graphically presented.

Keywords

Helicotylenchus crenacauda, Crenate variation, Molting, Banana, West Bengal.

Received on 12/04/2021, Accepted on 25/04/2021, Published on 30/04/2021