Fruit and Vine Rot of Pointed Gourd in West Bengal

Authors: B Mondal, G Saha* and D C Khatua* Department of Plant Protection, Palli Siksha Bhavana, Visva-Bharati, Sriniketan - 731 236, West Bengal, India Department of Plant Pathology, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur - 741 252, West Bengal, India


Fruit and vine rot caused extensive damage of pointed gourd in West Bengal. The causal pathogen, Phytophthora melonis Katsura commonly caused rotting of fruits and nodal and internodal tissue of the vine. Disease appeared late in new crop than ratoon crop. Crop grown on soil bed suffered more than the crop raised on scaffold. Cloudy weather, rainy days and water stagnation favoured rapid spread of the disease. Continuous removal of diseased vines and fruits from the field reduced disease severity. Male plants were less susceptible than the female plants. The composition of selective medium developed for Phytophthora melonis was oat meal 17 gram, vancomycin 200 mg, natamycin 10 mg, carbendazim 25 mg, agar agar 20 g and distilled water 1000 ml.

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