英语语法分析

Low level of sucrose is required during induction of Protocorm Like-Body and shoots differentiation.

类原球茎诱导分化过程中所需的蔗糖浓度相对较低。

The growth curve of Dentrobium cell showed "s" type when the protocorm were cultured on solid media or with liquid suspension way.

固体培养和液体悬浮培养的石斛原球茎细胞生长曲线大致呈“S”型。

Effects of basal culture medium, sucrose concentration, natural extracts and phytohormones on protocorm differentiation were studied.

试验了基本培养基、蔗糖浓度、天然提取物以及植物激素对铁皮石斛原球茎分化的影响。