一些栽培技术要求在成熟期尽量保持叶鞘的活性。
Some cultural practices are required to keep these leaf sheaths active during ripening stage.
轻度的植株能有正常的叶及叶鞘，但没有叶舌，叶与叶鞘的边界弥散。
Plants with a mild phenotype formed normal leaf sheaths and blades, but lacked ligules and showed diffusion of the blade-sheath boundary.
坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作。
Tough sheaths push through the earth and do the backwork needed for the emergence.
随着品种演替，旗叶、茎杆和叶鞘中的氮素输出率增加，而输出氮的贡献率则与此相反。
Nitrogen output rate from flag leaf, stem and leaf sheath were increasing, but nitrogen contribution rate was decreasing with varietal development.
孕穗期小花数均与叶面积、叶片重、叶鞘重和总干物重呈显著或极显著正相关，而与茎高的相关不显著。
The floret number was significantly correlated with the weights of leaf, leaf sheath, whole main stem or tiller, and leaf area, but not with the length of stem.
在各个植株上，稃尖颜色和叶鞘颜色的表现完全相同。
It was shown in the populations that the apiculus coloration matched to basal leaf sheath coloration in each plant.
对春小麦叶鞘、叶片和茎水势的变化情况进行了比较。
Comparison of the water potentials of leaf, sheath and culm has done.
坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作，但是随后出现在叶丛中的花蕾光润而娇嫩。
Tough sheaths push through the earth and do the backwork needed for the emergence, but the buds which then emerge in clusters are silken and delicate.
在整个灌浆期，叶鞘又作为物质向籽粒运输的通道(流)——转运同化物质。
In the whole grain filling periods, leaf sheath performed function as flow organs which participated in assimilation products transportation from leaves to grains.
托叶鞘通常具绿色的叶状的翅的先端；叶片5 - 12厘米宽。
Apex of ocrea usually with green leaflike wing; leaf blade 5-12 cm wide.
这也许是褐飞虱喜欢聚集在叶鞘部位取食的化学因素之一。
It might be one of the reasons why BPH has a preference of feeding on leaf sheath aggregately from chemical point of view.
此结果表明，灌浆初期，叶鞘接收叶片的营养物质，具备“库”的生理作用；
It concluded that, at the early stage of grain filling, leaf sheath performed the physiological function as sink, which received nutrient substance from leaves.
DH株系中的杀卵特性是通过叶鞘上杀卵反应产生的坏死症状表现的。
Ovicidal trait in DH lines was phenotyped by necrotic symptoms on the leaf sheaths due to ovicidal response.
高氮肥处理不利于花后叶片、茎、叶鞘同化物的积累。
The assimilates accumulation of leaves, stem and sheath were lower in high nitrogen treatment.
耐热品种的叶片韧皮部面积比例、叶鞘导管面积比例大于不耐热品种，叶片导管面积比例、叶鞘韧皮部面积比例则小于不耐热品种。
Heat tolerant cultivar is higher than heat sensitive cultivar in leaf phloem area ratio and leaf sheath duct area ratio, while lower in leaf duct area ratio and leaf sheath phloem area ratio.
在叶鞘裹住的幼叶下部呈现螺旋状。
A spiral deformation occured in the lower part of the young leaf enclosed in the sheath.
取突变体弯曲的叶鞘做石蜡切片发现，突变体弯曲的叶鞘周围表皮细胞完整，但两侧细胞的大小不同。
The size of epidermis cells was different between nearside and starboard cells observed from the longitudinal section of twisted stems by histological sections.
组织化学分析和原位杂交结果表明ACO1在伸长中的节间底部仅靠近节的叶鞘基部表达量很高。
Histochemical analysis and in situ hybridization showed that the ACO1 expression was localized in the basal parts of leaf sheaths immediately above nodes or the lower parts of elongating internodes.
糯玉米在抽雄期前，氮素主要集中在叶片，分配率达45.16%，茎秆中的分配率次之，为33.16%； 叶鞘中再次，为11.01%，三营养体共计占89.33%。
Before tassel emerge, the nitrogen amount was mainly distributed in leaves and followed by stem and sheath with 45.16, 33.16 and 11.01%, totally 89.33%, respectively.
糯玉米在抽雄期前，氮素主要集中在叶片，分配率达45.16%，茎秆中的分配率次之，为33.16%； 叶鞘中再次，为11.01%，三营养体共计占89.33%。
Before tassel emerge, the nitrogen amount was mainly distributed in leaves and followed by stem and sheath with 45.16, 33.16 and 11.01%, totally 89.33%, respectively.
应用推荐