heading stage

And during heading stage, T-6 has broader and thicker leaves, lower plant height and head weight, less outer leaves and higher net leaf rate, with the head forming faster and maturing earlier than those of 1053.

结球期叶片宽大、肥厚，株高、单球重小于1053，但外叶数少，净叶率高，叶球充心快，较1053早熟。

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In heading stage the ratio of the dry weight of the stem and leaf sheath to the number of flowers was significantly inversely related to the percentage of empty grain.

随着插植苗数增加，杂交稻的空秕粒率上升，而常规品种则下降。抽穗时茎鞘干重和颖花数的比值与空粒率成显著的负相关。

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The initiative soil Cr concentration under conditions in this experiment, that had significant effects on leaf numbers, plant height and heading stage, were 1 000, 600, 300 mg · kg-1, respectively.

在土壤铬处理中，对水稻主茎总叶数、株高和抽穗期有显著影响的土壤起始浓度分别为1000、600和300mg·kg-1；

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The SPS and SS content in the summer maize stems increased from jointing stage to great bell mouth stage, and reduced from great bell mouth stage to heading stage.

夏玉米茎秆中SPS、SS活性从拔节期到大喇叭口期增大，大喇叭口期到抽雄期再逐渐减小。

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At present the pH chemical sensors are still studying the development stage, ZnO one-dimensional nano-materials are heading for the practical application of research development.

目前pH化学传感器仍在研究发展阶段，而ZnO一维纳米材料的研究正朝着实际应用方面发展，因此ZnO pH传感特性的研究具有重要的研究意义。

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The tissue-specificity of ACO1 expression indicated that its transcript significantly accumulated in lower parts of elongating internodes at the heading stage.

组织特异性分析表明ACO1在抽穗期伸长的节间底部大量表达。

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Effect of Water Stress on Biomass Accumulation, Distribution and Yield Character After Heading Stage of Rice Back Cross Descendant

花后水分亏缺对水稻回交后代干物质积累与分配及产量性状的影响

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Susceptibility test of rice plants to hygromycin B around heading stage showed consistent results with seedling.

苗期鉴定与抽穗前后成株期鉴定的结果相一致.

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The AGR and RGR of alfalfa varieties were the highest during the period from the bud stage to the early flowering stage, while the highest AGR and RGR of awnless brome ( B.inermis) occurred during the period from the elongation to the heading stage.

苜蓿在孕蕾至初花期、无芒雀麦在拔节至抽穗期AGR和RGR最高，混播降低了苜蓿的AGR和RGR值；

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Physiological Studies of the Low Temperature Injury on the Heading Stage of the Paddy Rice& ⅰ. Effects of Chilling Temperature and Low Light on Floral Organs and Distribution of Assimilates Labelled by~ ( 14) C and~ ( 32) P

寒露风危害晚稻的生理研究&Ⅰ、低温和弱光对花器官呼吸和同化产物运转及分配的影响

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Regulating source sink relationships or nutrient level in the plant by leaf cutting, spikelet thinning or nitrogen application at heading could increase or reduce the enzyme activities in grains, especially in the inferior at early filling stage.

在抽穗期通过剪叶、疏花或施用氮素等调节灌浆初期的源库关系或植株体内的营养水平，能增加或降低籽粒中特别是弱势粒中酶的活性。

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Physiological reasons for the uniformity of the heading stage in the clone of Hybrid Late Japonica Rice

南农晚粳型杂交稻无性系（clone）抽穗整齐的原因分析

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Leaf area index under high-yield method was higher than general traditional culture in early rice and late rice, at heading stage, leaf area index under any processing attained the highest point.

早、晚稻高产模式叶面积指数均高于一般农户模式，各处理均在抽穗期达到最大值。

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Water stress in shooting and bearing period had the largest yield loss, following with the tillering stage and heading stage.

拔节孕穗期遭受水分胁迫在单阶段胁迫中减产幅度最大，分蘖期、抽穗开花期紧随其后，分蘖、拔节孕穗期连续中度胁迫减产幅度超过任一时期。

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Effects of Fertilization Level on Panicle Temperature at Heading Stage of Rice

施肥水平对抽穗期水稻穗部温度的影响及其原因分析

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The incomplete panicle exertion occurred over large area in late cropping rice in Cenxi city was caused due to later sowing time, emergency of high temperature in young panicle differentiation stage and three days low temperature during heading stage.

2004年岑溪市晚稻大面积稻发生穗包颈主要原因是由于播种偏迟，幼穗分化期遇高温干旱，抽穗时又持续3d的低温伤害。

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