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- The induction frequencies of pollen callus and pollen plants in F2 hybrid plants was nuch higher than those in F1 hybrid p lants. F2杂种植株诱导愈伤组织和分化植株的频率均比F1杂种 明显提高。
- In the present paper we report on the impact of developing stage of antherdonor plants,pretreatment of lower temperature and higher temperature on induction frequency of pollen callus . 该文考查了小麦幼穗发育时期、低温处理幼穗及高温处理接种花药对花粉愈伤诱导率的影响。
- There was certain promoting effect on induction of pollen calli with cold pretreatment. 低温预处理对促 进三属杂种花粉愈伤组织的诱导有一定的作用。
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- pollen callus 花粉愈伤组织
- 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 callus juice can also do on the early growth. 愈伤组织匀浆液也可促进菌丝体早期生长。
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Medium MS did good to callus proliferation. ms是比较适合愈伤组织增殖的基本培养基。
- Today,I crawl out the fully defeated wound callus. 今天，我爬出满是失败创伤的老茧。
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- Induction of Callus of Banana Brazil (Musa spp. 香蕉;愈伤组织;诱导;
- 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。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的
- The effect of pollen development on the callus formation rates of an ther culture of tomatoes was studied. 研究了番茄花药长短与花粉发育时期及其与愈伤组织诱导率的相关性。
