• In conclusion, more spikelets and kernels per spike were the most valuable traits in turgidum landraces, and could be utilized in wheat breeding.

    本研究认为,多小穗数和多穗粒数是圆锥小麦地方品种最突出的优良性状,可做为小麦育种的重要基因资源。

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  • Panicle fertilizer can increase spikelets and prevent spikelet retrogression and lay a foundation for heading safely and increasing kernel setting and kernel weight.

    穗肥能够增加颖花数和防止颖花退化,为适时安全抽穗和提高结实率、粒重打好基础。

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  • Fertile spikelets accompanied by pectinate sterile spikelets.

    可育小穗伴随着栉状不育的小穗。

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  • The grains per spike should be raised mainly through the increase of fertile spikelets.

    而增加每穗粒数则应主要从增加结实小穗数着手;

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  • The numbers of spikelets and fertile florets were controlled by the rate of differentiation.

    小穗数与可育小花数的多少由其分化速度决定。

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  • With the increment of differentiated spikelets, the retrograded spikelets increased significantly.

    随着颖花分化数的增加,颖花退化数有显著的增加。

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  • Panicle Angle was mainly governed by major gene, while number of spikelets per panicle was by polygenes.

    穗角性状以主基因遗传为主;每穗颖花数性状以多基因遗传为主。

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  • The disease resistance was interrelated with the millet growth period, the density of spikelets and the length of seta.

    品种抗病性与粟生育期、穗码松紧、刺毛长短明显相关。

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  • Activity of enzyme (peroxidase, catalase) in spikelets was differently influenced by temperature under different humidity.

    过氧化物酶、过氧化氢酶活性在不同湿度下受温度的影响不同。

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  • Increase in grain yield was attributed mainly to the increase in total number of spikelets, which resulted mainly from a large panicle.

    随着品种演进产量逐步提高,其原因主要是每穗粒数的增多导致总颖花量的增加。

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  • The traits with low CV value are plant height, ear length, number of spikelets, available spikelets which had low improvement potential.

    变异系数较小,即改良潜力小的性状为株高、穗长、主穗小穗数、有效小穗数。

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  • The correlation between the average grain weight of middle spikelets and lower spikelets and the grain weight per spike was highly significant.

    中部以及基部小穗粒重与穗粒重之间呈高度正相关。

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  • The results showed that: the number of primary branches, secondary branches, and spikelets were closely associated with the number of vascular bundle.

    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。

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  • Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.

    四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。

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  • Most F 1 s of combinations with 92-7 expressed elite characters such as shorter growth period, proper plant height, larger panicle and more productive spikelets.

    利用92-7配组的大部分杂交一代表现生育期短、株高适中、穗大粒多、丰产性好等优良性状。

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  • The effect of the formation process of the ear-stem vascular system on the differentiation and development of the spikelets, florets and seed set was also discussed.

    本文还就穗-茎维管系统的形成过程对小穗小花分化、结实的可能影响作了讨论。

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  • 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.

    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。

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  • An annual grass (Agrostis nebulosa) native to Spain and Portugal, cultivated for its delicate, finely branched cluster of tiny spikelets and used in dried arrangements.

    云翦股颖:一种一年生草(云翦股颖) ,原产于西班牙和葡萄牙,因其精美、分枝很好的簇状小穗花而被种植,用于干花布置。

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  • 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.

    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。

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  • The result indicated that the increase of grain yield was mainly attributed to magnifying of total sink capacity with the increase of number of spikelets per panicle as the key factor.

    结果表明,产量的增加主要与品种改良过程中总库容的扩大有关,其中每穗粒数的增加是关键。

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  • The distribution of the quality of the grains at different positions within a rice panicle (1) the spikelets that flowered earlier produced greater grain weight than those flowered later.

    稻米品质在穗上不同粒位间分布(1)一般早开花的籽粒粒重高,迟开花的籽粒粒重低。

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  • 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.

    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。

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  • The result indicated that heredity of spike length and number of spikelets was in accord with addictive-dominance model, and the addictive effect was mainly in gene effect with part dominance.

    结果表明,穗长和小穗数的遗传均符合加性—显性遗传模型,基因作用以加性效应为主,显性程度为部分显性。

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  • The application rates of boron greatly affected the spike differentiation of wheat. In a certain range, gross spikelets and available spikelets increased with the increasing rate of boron applied.

    缺硼严重影响小麦的穗分化,在一定施硼范围内,随着硼施用量的增加,总小穗数和有效小穗数增多。

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  • The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big spike cultural goal with more spikelets and grains.

    确定小麦不同小穗位和小花位发育与结实特性是实现大穗多粒的重要前提。

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  • The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big spike cultural goal with more spikelets and grains.

    确定小麦不同小穗位和小花位发育与结实特性是实现大穗多粒的重要前提。

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