Abstract
The sponge gourd (Luffa cylindrica Roem) is one of the most popular vegetable. There are a number of diseases like Powdery mildew, Downey mildew, Anthracnose, Fusarium root rot, Cercospora leaf spot, Soft rot and cottony fruit rot, they cause considerable loss to sponge gourd in term of quality and quantity both. During the survey in the year 2015-16, it was found that among all the diseases cottony fruit rot caused by Pythium aphanidermatum was a very destructive disease of this important crop. To manage the loss of yield due to this disease twelve fungicide and eight bioagents were evaluate against the pathogen (in-vitro) in biocontrol lab, Deptt. of plant pathology during 2015-16. Among all the tried fungicide, Master, Propioconazole and Tubuconazole were most effective for inhibition of radial growth of Pythium aphanidermatum and it was recorded no growth. In case of bioagents Trichoderma koningii and Trichoderma harzianum wear most effective for inhibition of test pathogen and it was 15.33mm and 16.66mm respectively.
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