1无公害马铃薯的生育特点1.1发芽期指从块茎萌发到出苗这段时间。北方一作区约30d左右,经历芽条生长、根系形成、幼苗出土几个过程。这个时期以根系形成和芽条生长为中心。管理措施是把种薯中的养分、水分及内源激素调动起来,促进早发芽、多发根、快出芽、出壮苗。 A pollution-free potato reproductive characteristics 1.1 germination refers to the germination from the tubers to the emergence of this period of time. The northern one for about 30d, experiencing shoot growth, root formation, seedlings unearthed several processes. This period centered on root formation and bud growth. Management measures is to mobilize nutrients, water and endogenous hormones in seed, promote early germination, multiple roots, sprouting, strong seedlings.