每穗粒数与一、二次枝梗数密切相关。
The seed number per ear was closely correlated with the first and secondary panicle branches.
第二、三次枝梗原基形成期；
The stage of secondary and third branches primordia formation ;
每穗总粒数与结实一次枝梗数和现存二次枝梗数均密切相关。
Total grain number per spike correlated closely to fruiting primary rachis branch number and existing secondary rachis branch number.
结果表明，维管束数目与一、二次枝梗数及颖花数有密切关系。
The results showed that: the number of primary branches, secondary branches, and spikelets were closely associated with the number of vascular bundle.
灌浆前期，稻穗上部枝梗筛管细胞质膜上的ATP酶活性比下部强；
The ATPase activity at the plasmolemma of the sieve cells of the branches of the upper part is higher than that of the basal part.
同一品种一、二次枝梗结实率及饱粒千粒重的差异，粳稻大于籼稻。
The differences of grain setting percentage and 1000-grain weight in primary and secondary spikelets were larger in Japonica varieties than those in Indica varieties.
穗粒数与二次枝梗粒数随品种的变化是一致的，二者有极显著的线性相关。
There is a significantly linear relation between secondary branch grain number and grain number per panicle, and they have the same changing tendency.
总体上，每穗颖花数与每穗二次枝梗数、每个二次枝梗上的颖花数、颖花密度有更大的相关性。
Generally, spikelets per panicle were more closely correlated with number of secondary branch per panicle, spikelets in secondary branch per secondary branch, and spikelet density.
水稻光温敏核不育系d 18和D23的育性转换的敏感期是第二次枝梗分化期到花粉母细胞形成期。
The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell formation.
分析了穗长、枝梗分布、枝梗颖花数及其结实率、穗部维管束数目和开花期单茎干物重对穗粒数的影响。
The effects of the panicle length, branch distribution, number of spikelets, seed set percentage, neck vascular bundles and plant weight per stem on spikelet number per panicle were analyzed.
中高桩与低桩再生型品种再生稻枝梗过氧化氢酶活性随留桩高度下降而增强，而高桩再生型品种表现相反；
The activity of catalase in rachis branches of ratooning rice of HMST and LST varieties improved with declining stubble height, whereas a contrary trend was observed for HST ones.
首先，在物料特性检测装置上利用专用夹具对水稻穗头籽粒与粒柄、粒柄与枝梗以及枝梗与主茎秆之间的连接力进行了测定。
First, Experimental studies on connection force of grain and petiole, petiole and branch, branch and caulis, with expert clamp on the testing equipment of agricultural materiel.
首先，在物料特性检测装置上利用专用夹具对水稻穗头籽粒与粒柄、粒柄与枝梗以及枝梗与主茎秆之间的连接力进行了测定。
First, Experimental studies on connection force of grain and petiole, petiole and branch, branch and caulis, with expert clamp on the testing equipment of agricultural materiel.
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