Rose is one of the important floricultural crops and is universally acclaimed as the „Queen of flowers‟. It is principle cut flower and growing more or less in all parts of north Gujarat. Therefore solving the problem associated with rose cultivation is necessary to increase the productivity. Die-back is a serious malady of rose causing considerable economic losses and a threat to rose cultivation in the area. The present investigations indicated that fungus could grow under wide range of pH from to . However pH and proved to be optimum for the growth and sporulation of the fungus. More information on this problem for devising suitable control measures for preventing crop losses. | Testing of pH range for the better growth and sporulation of B. theobromae
