leaf sheath的例句大全

leaves sessile; leaf sheath conspicuously striate, red on basal leaf;

叶无柄叶鞘显著具条纹，叶在基部的红色；

meiosis starts when the ear sprout out about 2/ 5 from flag leaf sheath in the pollen mother cells ( pmcs), setaria italica beauv. at this time the pmcs formation was observed in the spikelet flowers of the upper-middle ear.

谷子花粉母细胞减数分裂始于谷穗从旗叶叶鞘抽出2/5之时，此时位于穗中上部的小穗花形成花粉母细胞；

the leaves were consisted of leaf sheath and laminae . the laminae were flat and strip shaped with parallel venation.

圆囊苔草叶基生，由叶鞘和叶片两部分组成，叶片扁平带状，平行脉序；

the substance in caryopsis mainly derived from the photoassimilate after heading and the temporary storage from stem and leaf sheath before heading.

颖果内的贮藏物质主要来源于抽穗后叶片的光合同化物和抽穗前叶鞘和茎杆中临时性贮存的碳水化合物的灌浆充实。

In the root, stem, leaf, sheath and head, the enzyme band of head was the most, and POX activity was the highest, the enzyme band of stem was the least and POX activity of sheath was the most weakest.

根、茎、叶、鞘和穗，以穗的酶带最多，酶活性最强，以茎的酶带最少，叶鞘的酶活性最弱。

The most wide spreading and serious diseases include northern leaf blight, southern leaf blight, head smut, stalk rot, ear rot, rhizoctonia sheath spot, take all, dwarf mosaic virus etc.

发生普遍危害严重的病害有大斑病、小斑病、丝黑穗病、青枯病、穗粒腐病、纹枯病、全蚀病、矮花叶病等。

Reducing source through cutting leaf and cutting root can decrease the residual ratio in stem-sheath and the chlorophyll content of leaf, on the contrary reducing sink through cutting spike can increase the residual ratio in stem-sheath and the chlorophyll content of leaf.

剪叶、断根减源还使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量降低，剪穗减库使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量增加。

A spiral deformation occured in the lower part of the young leaf enclosed in the sheath.

在叶鞘裹住的幼叶下部呈现螺旋状.

culm sheath ligule entire at apex. leaf blade abaxially glabrous.

竿箨叶舌全缘在先端。叶片背面无毛。

Stolon of the plant develops mostly from the axil of sheath-like leaf of photosynthetic stem.

匍匐茎大多起源于同化茎基部鞘状叶的叶腋内。