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Abstract
An experiment was conducted to study the effect of varieties and spacing on the incidence and severity of foliar nematode Aphelenchoides besseyiChristie in tuberose (Polianthes tuberosa L.) which is one of the important cut flower in the eastern part of India (West Bengal and Odisha), and also in the northern plains and parts of the south. The production of tuberose is constrained mainly by plant parasitic nematodes, insect-pests and diseases. Among nematodes, the foliar nematode, A. besseyi is a serious threat to sustainable tuberose production in West Bengal. Incidence of A. besseyi on tuberose was 1st noticed during 3rd week of August, 2015 in both the cultivars.