The flag leaf sheath length affects heading.
倒一叶鞘长度显著影响出穗效果。
The relationship between spikelet fertility and the green leaves area, the dry matter dynamic of leaf sheath and culm of different cultivars was analyzed.
对不同品种绿叶面积和茎鞘干物质的动态变化及其与子粒结实的关系进行了分析。
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.
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。
It concluded that, at the early stage of grain filling, leaf sheath performed the physiological function as sink, which received nutrient substance from leaves.
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；
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.
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。
In the whole grain filling periods, leaf sheath performed function as flow organs which participated in assimilation products transportation from leaves to grains.
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。
Compared with parental rice, LF rice showed an advantage in its vegetative growth and the yields of leaf, sheath and stem increased by 27.77%, 30.19% and 37.96% respectively.
在相同种植条件下，低纤维基因突变体选育的嫩稻表现出较强的营养体生长优势，收获期叶、鞘、茎生物产量分别较亲本提高27.77%、30.19%和37.96%。
Compared with parental rice, LF rice showed an advantage in its vegetative growth and the yields of leaf, sheath and stem increased by 27.77%, 30.19% and 37.96% respectively.
在相同种植条件下，低纤维基因突变体选育的嫩稻表现出较强的营养体生长优势，收获期叶、鞘、茎生物产量分别较亲本提高27.77%、30.19%和37.96%。
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