main culm

Leaves emerged faster with temperature increasing, but leaf number of main culm didn't decrease.

随播种期后移，日平均气温上升，出叶速度加快，但主茎叶片数不变；

For the first time, this paper reports on the distribution pattern of these main characters on the culm in plantations at different altitudes and on its altitude effect.

首次报道了不同海拔区域毛竹人工林这些节间主要性状在竹秆上的分布规律及其海拔效应。

Mao bamboo is a main species of culm-producing and shoot-producing bamboo s in present in our countries.

毛竹是我国目前最主要的材用和笋用竹种。

Formulae for calculating the theoretic number of tillers in rice, wheat and barley according to the main culm leaf-age

根据主茎叶龄计算稻麦理论分蘖数的公式

Studies on the relationship between the duration of developmental stages and kernel weight of the main culm in Wheat in North China

冬小麦生育阶段持续期与主茎粒重关系的研究

N, total number of leaves of the main culm;

N&主茎总叶数；

But it exists intimate corresponding relations between the process of spikelet differentiation and the leaf remainder index on the main culm when the spikelet differentiation gets into the period of floret differentiation.

小麦主茎叶龄和穗分化进程，因栽培条件的不同而有较大差异，但当穗分化进入小花分化期时，穗分化进程与主茎叶龄余数有密切的对应关系。