Indrasenan, GJim ThomasSreekumar, VMammen, M KKAU2019-08-012019-08-011981Agricultural Research Journal of Kerala, 19(1), 123-125.http://krishikosh.egranth.ac.in/handle/1/5810118346ennullOn the chemical control of 'udbatta' disease of rice incited by Ephelis Oryzae SydowArticle