搜索结果: 1-2 共查到“植物学 frequency”相关记录2条 . 查询时间(0.218 秒)
Tree size frequency distributions, plant density, age and community disturbance
Allometry community ecology plant size stem diameter
2015/8/27
We show that explicit mathematical and biological relationships exist among the scaling exponents and the allometric constants (a and b, respectively) of log–log linear tree-community size frequency d...
High frequency plant production via shoot organogenesis and somatic embryogenesis from callus in Tylophora indica, an endangered plant species
Tylophora indica leaf callus somatic embryogenesis shoot organogenesis
2010/3/17
An efficient and reproducible protocol has been developed for the in vitro production of an endangered medicinal climber Tylophora indica (Burm.f.) Merr. via leaf explants. Different types of calli pr...