MUNJAL, R.L.VERMA, KISHAN SINGH2019-01-172019-01-171978http://krishikosh.egranth.ac.in/handle/1/5810091092ennullSTUDIES ON APPLE CANKER CAUSED BY CORTICIUM SALMONICOLOR BERK.& BR IN RAJGARH AREA OF HP AND ITS CONTROLThesis