اثر زمان نشاکاری برخصوصیات زراعی در توتون گرمخانه‌ای

In order to determine the best transplanting date of flue-cured tobacco (cv. k326)in rain condition, this study was done in randomized complete block design with 7 transplanting dates every 10 days ( 4 April, 14 April, 24 April, 4 May, 14May, 24 May and 3 June) in 4 replications in Tirtash Reserch and Education Center .the results showed the significant effect of transplanting date on all studied factors except the number of leaves. Days from transplanting to flowering were the lowest for april 4th(90.3 days).maximum dry weight of leaves (3824 kg/ha) was obtained for transplanting date may 4th that shows about 36% increase compared to the lowest yield of dry leaf (13 june). maximum and minimum price for one kilogram of tobacco were obtained for transplanting dates april 4thand june 3rd , respectively and there waz 1.5$ difference per kg. maximum length and width of leaves was obtained on may 4th .