为什么现在的草莓吃起来口味不如以前好?而且产量一年不如一年,病虫害却越来越重呢? 首先,草莓产量和质量的稳定提高要求必须用无毒苗。草莓为多年生植物,因此农民们常是在采果后让其繁苗,再用这样繁出的苗去再生产结果儿,采果后再繁苗。这样毫无处理的一代代繁殖下去,有的甚至在田间繁殖了十几年,使得品种种性严重退化。这是造成草莓 Why is the taste of strawberries tasted better than before? And yield a year than a year, pests and diseases are getting heavier and heavier? First of all, the steady increase of strawberry yield and quality requirements must be non-toxic vaccine. Strawberry perennials, so farmers are often in the picking fruit to make it Fanmiao, and then use this blooming seedlings to reproduce the results of children, fruit picking and then Fanmiao. This generation went on without any treatment and some even breed for more than a decade in the field, causing serious deterioration of the breed. This is caused by strawberry