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应用透射电镜研究了圆叶牵牛（Ｐｈａｒｂｉｔｉｓｐｕｒｐｕｒｅａ （Ｌ．） Ｖｏｙｇｈｔ）和大花牵牛（Ｐ． ｌｉｍ ｂａｔａ Ｌｉｎｄｌ．）卵细胞在受精前和受精后质体和线粒体的变化。观察到卵细胞在受精前高度液泡化，在核周......
Many plant species are induced to flower by stress. Stress-induced flowering has been studied mostly in the short-day pl......
