The buds are usually classified according to the length of storage time of the potatoes, bud development, etc.: young, young, strong, and old. 1 Young age: After harvesting, the potato has a shorter period of time, no buds of dormant tubers, young tubers, need to use gibberellin to break dormancy; 2 younger: 1 to 3 months after harvest, only one top The buds sprouting from the bud have a distinct apical advantage. In the young tubers, after planting, they can not exert their maximum yield potential, especially when planting small whole potatoes, it is necessary to increase the number of seed potatoes to ensure sufficient number of plants. However, this age of seed potatoes, when germination treatment, will have a good effect; 3 strong age: with the extension of seed storage time, the top edge decline, each tuber can be germinated agricultural technology issued 4 to 6 strong Bud, planting such a seed potato can not only save the seed amount, but also exert its maximum yield potential; 4 old age: more than 7 months after harvest, all the buds in the tuber sprouted weak buds, and the tubers lost water and shrink. When used as seed potatoes, there is premature aging.
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