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- THF PATHWAYS OF POLLEN PLANT MORPHOGENESIS OF HYOSCYAMUS NIGER L. 天仙子(Hyoscyamus niger L.;)花粉植株形态发生的途径
- A total number of 5 pollen plants were obtained by anther culture of Hevea brasilzen,sis Muell. 摘要 从兰叶橡胶花药培养获得5株花粉植株。
- To provide scientific base for reasonable virescence construction,the research advances of allergenic pollen plants were reviewed. 综述了花粉致敏植物的种类、物候特征和影响因素提出了控制花粉致敏植物的建议;
- 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。
- Rhus potaniinii Maxim is a fine nectar and pollen plant resource in the mountains and is a host plant of Chinese gall. 摘要青麸杨是山区优良的蜜粉源植物资源,也是五倍子蚜虫的寄主植物。
- On the basis of investigation,collection and sifting,595 species and varieties of nectar and pollen plants were found,belonging to 296 genera and 98 families. 笔者在调查、收集、整理的基础上,初步筛选出蜜粉源植物595种及变种,隶属于98科296属,以刺槐、荆条、枣树、紫云英等植物组成主要蜜源。
- The major nectar plants, pollen plants and important auxiliary nectar and pollen plants were analysed.The results can be used as reference for the arrangement of beekeeping. 文中着重分析了本地区主要蜜源、主要粉源、重要辅助蜜粉源植物,为科研和持续开发利用植物资源提供了科学依据。
- It is believed that there was no genetical stability within the offsprings of pollen plants, and that some degenerative phenoinenon in vitality has been appeared. 但对花粉植株后代的遗传性和生活力问题的看法存在分歧。
- Growing tip of allooctoploid Triticale'h739'plants and its pollen plants at the glume dif- ferentiation stage were cultured on MS medium supplemented with 2 mg/l 2,4-D. The callus began to be formed after 20 days. 取异源八倍体小黑麦“h739”的植株和花粉植株护颖分化期的幼穗,培养在附加2mg/l2,4-D 的 MS 培养基上,接种后20天形成愈伤组织。
- From the analysis and observations on the developmental pathways of calli and embryoids, it is found that equal division (B pathway ) is the major pathway in regeneration of pollen plants in wheat. 在对愈伤组织和胚状体产生的途径进行观察和分析后,发现小麦花粉植株大多数来源于均等分裂的小孢子,即为B途径发育类型。
- Honeybee colonies get good honey and pollen in migratory beekeeping of southern Shanxi Province.The beekeeping production of Rhus potaniinii Maxim nectar and pollen plant provides a scientific basis. 蜂群在山西省南部转地饲养,很好的利用了青麸杨蜜粉源植物,对养蜂生产具有重要指导意义。
- Availably Using the Honey Plants and Pollen Plants 蜜粉资源的高效利用
- The plant was growing at an angle. 植物呈一定角度生长。
- A STUDY ON THE INDUCTION OF CITRUS POLLEN PLANTS 诱导柑桔花粉植株的研究
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The chain has fallen foul of plants in the water. 链条已和水中的植物缠绕在了一起。
- The chain has run foul of some plants in the water. 铁链缠在水中的一些植物上。
- 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。
- I have some climbing plants in the garden. 我的花园里长着一些攀缘植物。