Flue-cured tobacco cultivation management and baking methods for relieving cold damage on basis of potassium dihydrogen phosphate and cane sugar

Fecha de publicación: 29/05/2020
Fuente: WIPO "tobacco agriculture"
The invention discloses flue-cured tobacco cultivation management and baking methods for relieving cold damage on the basis of potassium dihydrogen phosphate and cane sugar. The management method comprises the following steps: identifying tobacco plants suffering from cold damage; spraying 0.1-0.125 wt% of the potassium dihydrogen phosphate and 0.3-0.37 wt% of the cane sugar onto the tobacco plants suffering from light cold damage, 0.15-0.2 wt% of the potassium dihydrogen phosphate and 0.45-0.8 wt% of the cane sugar onto the tobacco plants suffering from medium cold damage, and 0.3-0.4 wt% ofthe potassium dihydrogen phosphate and 0.9-1.2 wt% of the cane sugar onto the tobacco plants suffering from heavy cold damage; 2-3 days after spraying, identifying the tobacco plants again; and spraying 0.08-0.115 wt% of the potassium dihydrogen phosphate and 0.24-0.345 wt% of the cane sugar onto the tobacco plants suffering from light cold damage, and 0.125-0.18 wt% of the potassium dihydrogen phosphate and 0.375-0.54 wt% of the cane sugar onto the tobacco plants suffering from medium cold damage. The baking method comprises the steps of yellowing, color fixing and tendon drying. The flue-cured tobacco cultivation management and baking methods provided by the invention can effectively relieve damage of cold damage to tobacco leaves, significantly improves the grade of cured tobacco leavesand can increase income of tobacco growers.