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采用 1/2MS +IAA0 .5mg/L +ABT3号 4mg/L的培养基配方 ,可使脱毒甘薯生根数比单剂使用提高 2 0 %左右 ;根长、株高均有不同程度的增加 ,明显加快了生根的速度 ,且对叶片生长量有一定促进作用 ,取得了快繁生根和壮苗的双重效果。不同品种的脱毒甘薯试管苗对ABT3号生根粉的反应效果有差异
The medium with 1 / 2MS + IAA0.5mg / L + ABT3 4mg / L could increase the rooting number of virus-free sweetpotato by about 20% compared with the single use; the root length and plant height increased to some extent, Obviously accelerated the speed of rooting and had a certain promotion effect on the growth of leaves and achieved the dual effects of quick propagation and strong seedling growth. Different varieties of virus-free sweet potato seedlings ABT3 rooting powder response effect is different