In order to study the effect of methanol on growth and yield of Virginia tobacco varieties Cocker 347 was carried out through a factorial experiment in complete block design Random with 4 replications and 18 treatments. First Treatment was spraying time which includes 3 levels, sprayed in the morning and noon and evening and the second treatment was values methanol consumption which includes 6 levels of consumption values 0, 10, 20, 30, 40 and 50 percent. Methanol sprayed at 3 times during the growing season, respectively, in the beginning stages of growth quick transplanting, begin week bud...