mutation period 中文意思是什麼
mutation period
解釋
突變期-
New cultivars were traditionally breeded by using bud mutation. it takes long period of time and is poor - oriented. genetic engineering provides an alternative
由於菊花的傳統育種方式是利用芽變(菊花雌雄性性器官退化)的方法來選育新品種,所以育種的速度慢,周期長,定向性差。
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