To screen whether there is starch synthesis within stolon before occurrence of tuberization, one way to do so is to check amylase activities during stolon growing.

• 摘要测定匍匐茎内淀粉酶活力是否存在及其变化是鉴定马铃薯葡萄茎内是否有淀粉合成发生的途径之一。