卷叶是番茄生产过程中普遍发生的一种现象,特别是在干旱,忽干忽湿或气温骤高骤低变化幅度较大,以及病害流行的年份发生更多,卷叶较轻时,植株的光合效率降低,果实变小,产量下降,卷叶严重时,会导致植株正常的生理代谢失调,座 Leaf curl is a common phenomenon in the tomato production process, especially in the drought, suddenly dry suddenly dampness or sudden changes in temperature and sudden changes in temperature, and disease prevalence of more years, rolling leaves lighter, the plant Of photosynthetic efficiency decreased, the fruit becomes smaller, yield decline, serious leaf roll, will lead to normal plant physiological and metabolic disorders, Block