The grafting part is adding new characteristics from elsewhere to the well-trained root stock.

嫁接是指将别处的新特性加入到训练有素的砧木上。

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There is no significant reciprocal action, between scion and stock after grafting, so we can use the root sink capacity to determine the yield of different varieties.

嫁接后，砧木与接穗之间交互影响不显著，可以利用甘薯库鉴定品种产量高低。

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Using this cutting medium, root taking is quite slow, generally needs over half a year, rooting percentage is between 50 ~ 60%. It takes 3 to 4 years to turn into grafting stock.

上述扦插基质，生根缓慢，通常要在半年以上，成活率约在50 ~ 60%之间，培养3 ~4年方可作为砧木之用。

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Using this cutting medium, root taking is quite slow, generally needs over half a year, rooting percentage is between 50 ~ 60%. It takes 3 to 4 years to turn into grafting stock.

上述扦插基质，生根缓慢，通常要在半年以上，成活率约在50 ~ 60%之间，培养3 ~4年方可作为砧木之用。

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