西红柿黄花曲叶病属病毒性病害,病菌存留在土壤、病残体、苗床、设施、种子、空气中,条件适应即可感病传播,还可以通过昆虫(如烟粉虱、白粉虱)传播,对西红柿生长危害很大。防治蔬菜真菌、细菌、病毒性病害时,需要内吸性强、疗效期长的农 Tomato yellow leaf curl disease is a viral disease, bacteria remain in the soil, sick, seedbed, facilities, seeds, air, the conditions can be spread to the disease, but also insects (such as whiteflies) , Great harm to the growth of tomatoes. Prevention and control of vegetable fungi, bacteria, viral diseases, need strong absorption, long-term effect of agriculture