Here is a method for production increasing and quality improving of tobaccos upper leaves, whose characteristics are: Using wood or bamboo to make carrier swab; taking ethyl as solvent to confect fruitone solution; after the fruitone dissolves completely, add emulsification film former to execute drug solution; air the swab after dipping in the drug solution to crank out carrier swab; after tobacco plant is top-removed, intervene the carrier swab between the third and the forth leaves slantingly, and one swab is ok for one plant. Through using plant growing modifier effectively in this invention, tobaccos upper leaves can be accelerated to increase and output can be boosted; also its nicotine content can be decreased and the kalium content can be increased, accordingly the quality of tobacco and its industrial usability is modified. |