叶鞘

高秆野生稻（Oryzaalta）叶鞘与茎培养形成植株

Plantlets formed in leaf sheath and stem culture of Oryza Alta

用XPS测定结合分峰拟合分析，研究稻草茎部、叶鞘、穗轴等部位皮层中硅化物的组成。

The silicide components in cuticle of rice straw stem , leaf sheath and rice shaft were studied by means of XPS-peak-differentation-imitating analysis .

C4转基因水稻秧苗叶片气孔与叶鞘维管束结构特征

Structure Characteristics of Stomata in Leaves and Vascular Bundles in Culms of Transgenic Rice Expressing C4 Photosynthesis Enzymes

膨大期，叶鞘内总糖的含量显著大于叶片中总糖的含量，增加达18.1%（P＜0.05）；

During inflation stage , total-sugar content of sheathes was higher ( above 18.1 % ) than that of leaves ( P < 0.05 ) .

水稻叶鞘中SOD活性的上升及下降反映了水稻植株的抵御能力。

SOD activity of rice plant may be an index of rice plant against the stress .

光合作用后30分钟测定，~（14）C同化物的分配，叶片最高，叶鞘其次，麦穗再次，茎中最低；

When determined 30 minutes after photosynthesis , the distribution amount is the highest in leaf blades , intermediate in leaf sheaths and wheat ears , and the lowest in stems .

孕茭前~（14）C同化物在短缩茎分配率较大，而叶片、叶鞘较小，说明短缩茎是养分贮藏的中间库；

The allocate rate of 14C assimilation is highest in culm before pregnant , lower in leaf-blade and leaf-sheath , which showed that culm was the middle sink in nutrient store progress .

接种24h后叶鞘组织细胞内可见大量侵入的菌丝。

After 24h from inoculation , a large number of pathogen mycelium were found within sheath tissue .

NaCl胁迫初期，Na+主要在根和叶鞘中积累。

During the early period of NaCl stress , Na + accumulated mainly in roots and sheaths ( Table 1 ) .

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 .

成熟期在籽粒与茎中N、P、K的分配比例较高，而在叶片、叶鞘中的分配比例相对较低；

The allotment ratios of N , P and K in grain at maturity were high and that in leaf and sheath were low in super high yielding japonica hybrid rice compared with high yielding rice .

在干旱胁迫下各器官叶绿体Hill反应活力、光合电子传递活性及光合磷酸化水平均下降，但下降幅度以旗叶叶片明显大于穗、穗下节间和叶鞘。

Under water stress , Hill activities , electron transport rates and photophosphorylation levels in all green organs declined , but the rate of decline was higher in flag leaf blade than in ear , peduncle and sheath .

将玉米植株叶片、叶鞘及果穗等去除，按50cm高度分段，研究了玉米茎不同高度处剪断力随时间变化情况。

Temporal dynamics of shearing force of maize stem of different height were studied .

0mm/旬处理干枯叶片和叶鞘的全N、全P、全K残留量最高，60mm/旬处理的最低，40mm/旬、20mm/旬处理的较低；

And 0 mm treatment had the highest rudimental N , P , K content of withered leaf and sheath , 60 mm treatment 's was the lowest , 40 mm / ten days treatment 's and 20 mm / ten days treatment 's was low .

而胱硫醚γ-合成酶（cystathioninegamma-synthase，CGS1）在水稻叶鞘基部的上半部特异表达。

Cystathionine gamma-synthase ( CGS1 ) specially expressed in the upper side .

结果表明，GA3浸泡处理的幼苗第一叶鞘长度较对照显著增加，苗高和第二叶鞘长度增加效应不显著；

The result showed that the first leaf sheath length increased significantly than control , but seedling height and the second leaf sheath increased slightly in GA3 soaking experiment .

用SEM-EDXA法研究稻草叶鞘、叶片的超微结构及Si等矿质元素的分布。

The ultra-structure of the cuticle and distribution of the mineral elements in the cuticle of the leaf and leaf sheath of the rice straw were studied by means of SEM-EDXA .

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 .

LC2基因在叶片发育过程中主要在叶片和叶鞘连接处表达，并且表达受到脱落酸、赤霉素、生长素和油菜素内酯的诱导。

LC2 is mainly expressed in the lamina joint during leaf development , and particularly , is induced by the phytohormones abscisic acid , gibberellic acid , auxin , and brassinosteroids .

叶缘及叶鞘、茎蔓带紫色。

And the sheath of its leaves and stems are purple .

80%FC提高叶鞘氮含量；

80 % FC improved the nitrogen content of leaf sheath .

叶鞘鞍形、钝方形；平面面形动态干涉仪

Saddle and subcuboid in sheath ; PLANE SURFACE SHAPE DYNAMIC INTERFEROMETER

水稻叶鞘表面的扫描电镜观察

Study on the Leave - Sheath of Rice with Electronic Scanning Microscope

小麦叶鞘和节间生长过程的模拟研究

Modeling Leaf Sheath and Internode Growth Dynamics in Wheat

相应地，根和叶鞘的生长也下降。

Correspondingly , root and sheath growth was reduced ( Table 1 ) .

水稻细菌性叶鞘褐腐病研究

Characterization of the causal organism of bacterial sheath brown rot of rice in China

茉莉酸则在叶片中的含量相对较高，而在茎秆和叶鞘中的含量相对较低。

JA concentrations in leaves are higher than those in stems and leaf sheaths .

在水稻的不同部位以叶鞘上的细菌数最高，叶片其次，谷粒最少；

The rice sheath supported the highest bacteria number and the lowest in the seed .

2%加收米水剂防治香蕉叶鞘腐烂病的田间药效试验

Test on the Effect of 2 % Kasumin AS for Controlling Banana Sheath Rot Disease

叶片比叶鞘更适合于诱导产生胚性愈伤组织；

The leaf blade was more fit for inducing embryogenic callus than the leaf sheath ;