The callus from immature embryo was the first receptive system in wheat genetic transformation.
小麦幼胚愈伤组织是目前小麦遗传转化中最常用的转化受体系统。
参考来源 - 期刊学术社区Efficient regeneration system was established from three explants of two varieties, young spikes, immature and mature embryos.
首先以2品种新麦草为材料,建立新麦草高效再生体系。 分别以幼穗、幼胚和成熟胚为外植体。
参考来源 - 新麦草多倍体诱导及细胞学研究The best sampling period for immature zygotic embryo explant is the middle of July.
7月中旬为最佳幼胚外植体取材时期。
参考来源 - 花楸体胚发生的外植体和培养基效应及生化物质变化研究New triploid line 99-3 of seedless Ningxia wolfberry is bred successfully by Ningxia Forestry Institute using advanced breeding approachese including a combination of cell and tissue culture technique with chemical induction of mutation as well as culture of young embryo.
采用组织培养技术与化学诱变相结合及幼胚培养等育种手段，初步选育出优良三倍体株系99-3。
参考来源 - 无籽枸杞新品种选育研究 New variety breeding of seedless Ningxia wolfberry·2,447,543篇论文数据，部分数据来源于NoteExpress
幼胚的发育状态是影响诱导愈伤组织的另一因素。
Days after fecundation is another factor effect on callus induction.
以杂交鹅掌楸幼胚为外植体，进行体细胞胚胎发生研究。
Somatic embryogenesis was successfully done in Liriodendron hybrids with the immature zygotic embryos as explants.
酶蛋白的最大含量在原胚阶段初为20.83%，以后至幼胚阶段急剧减少到4.9%。
Enzymic protein content decreases from the maximum at early phase of proembryo stage (20.83%) to the minimum at young embryo (4.9%).
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