1 选良种 ,催芽种。秋马铃薯由于受气候影响 ,其生育期短 ,因此要选择当年春收的早熟、高产且耐高温、抗晚疫病的克新 4号等优良品种作种薯。同时又由于春薯作秋种其休眠期长 ,若直接播种往往不易发芽 ,造成缺苗、断垅。所以无论用整薯或大薯切块作薯种 ,均需采用以下方法进行? 1 election elite, germination species. Autumn potato due to the impact of climate, its growth period is short, so to choose the spring harvest of the early maturity, high yield and high temperature, late blight resistance of the new No. 4 and other fine varieties of seed potato. At the same time as the autumn seedlings of spring dormancy for a long period of time, if direct seeding is often difficult to germinate, resulting in lack of seedlings, broken 垅. So no matter with whole potato or big potato cut for potato species, are required to use the following methods?