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- Both panicle angle and number of spikelets per panicle were controlled by two major genes+polygenes. 独立的2对主基因和多基因都存在加性显性上位性效应。
- Panicle angle was mainly governed by major gene, while number of spikelets per panicle was by polygenes. 每穗颖花数性状以多基因遗传为主。
- With the decrease in SWP, the grain yield, spikelets per panicle, ripened grains and 103-grain weight were all reduced for both upland and paddy rice. 随着土水势的下降,水、陆稻分蘖能力均受到抑制,地上部干物重下降,水、陆稻间差异较小; 根干重和根冠比的下降幅度,陆稻小于水稻,而叶面积的下降幅度陆稻则大于水稻。
- Otherwise, autoteraploid rices had much higher heterosis than that of diploid hybrids in the character of filled spikelets per panicle, spikelets per panicle and seed setting rate. 此外,杂种在四倍体水平与二倍体水平比较,在每穗实粒数、每穗总粒数和结实率等主要产量性状上,具有明显的杂种优势;
- THE RELATIONSHIP BETWEEN GRAIN PLUMPNESS AND SPIKELETS PER PANICLE IN MID-SEASON HYBRID RICE 杂交中稻籽粒充实度与组合间着粒数的关系
- Genetic analysis of the number of spikelet per panicle and culm traits in three-lineindica hybrid rice 籼型三系杂交水稻穗颖花数和茎秆特性的遗传分析
- spikelets per panicle 每穗颖花数
- Number of spikelets per panicle 每穗颖花数
- Panicle number, spikelet number per panicle, spikelet fertility,hundred grain weight, grain yield and panicle length were surveyed at mature stage. 百粒重对氮肥比较敏感,总的趋势是施氮量增加,粒重下降;
- spikeletes per panicle (SPP) 每穗颖花数
- The order of the seed yield components to its yield is weight per seed >seed numbers per spikelet >florets per spikelet >spikelets per shoot >shoots. 6个模型中,5个种子产量因子每提高1个单位对其种子产量的提高大小排序为单粒种子重>每小穗种子粒数>每小穗小花数>每生殖枝小穗数>生殖枝数。
- There were positive correlations between HI and grain density, producing ability of spikelet per area. 而产量与穗长、倒二叶和倒三叶长、倒三叶面积,收获指数与播种至齐穗天数、干物质生产力成负相关。
- There is a significantly linear relation between secondary branch grain number and grain number per panicle, and they have the same changing tendency. 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。
- Seedlings with 3.5 or 4.5 leaves were transplanted to obtain the most grains per panicle and yields. 5和4.;5叶龄插秧时每穗粒数最多、产量最高。
- The grains per panicle, therefore, were affected by the number of primary branches, large and small vascula... 穗颈维管束数主要受遗传因素控制;环境条件的影响相对较小.;此外;还讨论了粳稻超高产育种中与此有关的几个问题
- Results showed that a total of nine QTLs controlling grain weight per panicle were detected in two environments. 上位性是控制水稻单穗粒重遗传变异的一个重要的遗传组分。
- The correlation analysis showed that there were four key factors. biomass. plant height, harvest index, and grains per panicle, affecting grain yield. 相关分析表明,决定早籼稻产量的农艺性状为生物量、株高、收获指数和每穗粒数。
- The results showed that value of cold water response index (CRI) of seed setting rate was low, but CRI of seed spike lets per panicle and CRI of culm length were high. 结果表明,在主要农艺性状中,结实率的冷水反应指数(CRI)值相对较小,受低温冷害程度较大,穗粒数和杆长的CRI值相对较大,低温冷害片其影响较小;
- Water deficits were found to affect panicle number and grain number per panicle in lowland rice, while panicle number and percent grain-filling were reduced in upland rice. 在产量构成性状上,乾早处理明显降低参试水稻品种之穗数与一穗粒数及陆稻品程(系)之稔实率及穗数。
