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- Anthers of O.violaceus,when cultured in vitro,produced mixoploid pollen plantlets. 3.;用诸葛菜的花药进行离体培养;获得了混倍体花粉植株;诱导率达10%25;
- Regenerated plantlets were obtained both from green and albino pollen plantlets by dedifferentiation and redifferentiation. 摘要 水稻花粉白苗的再分化所生成的再生植株全为白苗，这说明花粉白苗的形成是不可逆的，可能是基因突变的结果。
- The fact that plantlets from albino pollen plantlets contained albinos only indicates the formation of pollen albino is irreversible and may be resulted from gene mutation. 不同品种或杂交组合的水稻花粉白苗叶片丙酮提取液的吸收光谱相互间显示出了相似性，这种相似性就进而提示突变可能发生在基因组的特定位点上。
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- pollen plantlet 花粉小植株
- Stamen is in the middle of a flower and may produce pollen. 雄蕊长在花的中央，能产生花粉。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石，如花粉粒或单细胞有机体的化石
- The workers have little pollen baskets on their legs. 工蜂脚上有装花粉的小"篮子"。
- Anther is a part of a flower that contains the pollen. 花药是花的雄蕊上带花粉的部分。
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- Some people have an allergy to pollen. 一些人对花粉有过敏反应。
- Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
- In vitro Culture and Plantlet Regeneration of Catalpa bungei var. 金丝楸的离体培养和植株再生。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的
- Tissue Culture and Plantlet Regeneration of Lycoris aurea Herb. 黄花石蒜的组织培养和植株再生。
- This photo is the growth new leaves of the rose plantlet. 这张照片拍的是长出新叶片的玫瑰苗。
- Both the pollen grains and the gynoecia are active. 花粉粒和雌蕊都具有活力。
- Seeds and pollen are spread by the wind. 种子和花粉是随风传播的。
