Koshy AbrahamJames MathewKAU2019-02-062019-02-061983Agricultural Research Journal of Kerala, 21(2), 69-72.http://krishikosh.egranth.ac.in/handle/1/5810093832ennullOn the physiological variation of xanthomonas campestris Pv.betlfcola (Patel, Kulkarni and Dhande) dyeArticle