Catalpa bungei Yu Qiu No.1 cutting rooting is induced root primordium, on the anatomical structure factor, It belongs to the cuttage easily to take root the type tree species.
5.豫楸1号扦插生根为诱导根原基类型,从解剖构造因素讲属于扦插易生根类型树种。
参考来源 - 豫楸1号扦插幼苗营养器官解剖构造与插穗愈伤组织形成的研究Genetically improving the rooting ability of P. tomentosa has attracted many reseachers' attention. Recent biotechnology progress provides us a new approach to improve the rooting capacity of the woody species that are difficult to root by genetic engineering.
因此,改良其生根性状,提高硬枝扦插生根能力已成为毛白杨遗传改良的重要研究课题。
参考来源 - 转rolB基因改良毛白杨生根能力的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在人工气候室条件下，山杨扦插生根率达85％。
加强对种内扦插生根率变异性的研究，选择生根力强的无性系、家系或种源；
Researches on rooting rate variation should be undergone to identify the clones, families and provenances with strong rooting capacity and high survival rate.
无性系扦插生根性状的重复力为0.34，表明生根性状受近中等遗传控制；
The repeatability of rooting traits in clones was 0.34, which showed that the root traits are under genetic control nearly at the moderate level.
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