diseased leaf segment isolation 组织块分离
callusing of leaf segment 叶段愈伤组织诱导
non-leaf node segment 树的非索引节点
bottom leaf sheath segment half 和下半部叶鞘区
Taking stem segment, bud and leaf as materials, this paper made a study of callus induction and plant regeneration in Callistemon rigidus R.
以茎段、芽和叶片为材料，探讨了红千层愈伤组织诱导及植株再生的方法。
In Buffallograss tissue culture, seedling segment, leaf base, mature embryo and immature male inflorescences can be used as explant.
野牛草组织培养的外植体有幼苗片段、叶基、雄花幼穗和成熟胚等。
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