By the comparative analysis of climate conditions( ten-day average temperature,rainfall and sunshine hours) and physiological needs of flue-cured tobacco growing in field in Enshi Prefecture,it is found that precipitation is insufficient at the seedling stage but very sufficient in the maturation period,which has limited the production of high quality tobacco. To produce high quality tobacco in Enshi Prefecture,it is needed to breed middle and late varieties with longer growth period,improve current breeding methods to increase transplanting elasticity,water transported seedlings enough,and control diseases and insect pests.
展开▼
