spike length

In this experiment the method of backcross was used to evaluate genetic effects of Tal wheat cytoplasm on plant height, spike length, kernel number of the main spike, 1000-kernel weight etc.

利用回交方法，探讨了Tal小麦细胞质对F2株高、穗长、穗粒数、千粒重等主要农艺性状的遗传效应。

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The results indicate that the IPST of plant height, spike length, spikelet number and grain number per spike at mature stage could be used as parameters of screening wheat genotypes for high-efficiency utilization of phosphorus.

研究指出，成熟期株高、穗长、小穗数和穗粒数的耐缺磷系数都可以做为高效利用磷素基因型的筛选指标；

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Genetic Analysis on Spike Length and Spikelet Number of Non 1B/ 1R and 1B/ 1R K Type Wheat Male Sterile Lines

非1B/1R和1B/1R类型小麦K型雄性不育系穗长和小穗数性状的遗传分析

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It was found that a main effect QTL controlled main spike length, rachis internode length, tiller number and grain weight per plant. 4.

有效穗、主穗长、茎节长、分蘖数、单株粒重均受&主效QTL控制。

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Compared to N stress, N application increased the plant height at maturity, spike length, total spikelet number and fruitful spikelet number, grain weight dry matter weight per plant at different extent in the tested varieties. 5.

与未施氮胁迫下相比，施氮使不同氮效率品种成熟期植株株高、穗长、总小穗数和结实小穗数均有不同程度的增加。

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Four traits, the spikes per plant, spike length, grains number per spike, spikelets of Laizhou 953 and 2 introgression lines were investigated.

对莱州953与2个导入系（IL-15、IL-16）的单株穗数、穗长、小穗数、穗粒数4个性状进行了调查。

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The action of spike length and setting percentage of spikelet was most important on kernel number per spike with the highly significant standardized estimate;

穗长和小穗结实率对小麦粒数的影响最大，均为极显著正相关；

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To utilize a material of biserial cross, analytic method is introduced on genetic model of spike length of wheat main axis.

采用一双列杂交资料，介绍小麦主茎穗长的遗传模型分析方法。

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Dominance gene effect of spike length was higher than that of additive.

穗长为超显性，显性基因效应比加性基因效应更重要。

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Correlation Analysis between the Space of Flag Leaf, Young Spike Length and Meiosis Dynamics of Wheat

小麦旗叶距、幼穗长度与减数分裂动态相关性分析

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The results showed that on selecting variety two sorts of variety need higher 1000-grain weight and stronger branch ability, spring-wheat need longer spike length, winter-wheat need higher effective branch.

分析结果表明：在品种选择上，两类小麦品种都需要具有千粒重高、分蘖力强的特性，春小麦侧重于穗子较长、冬小麦侧重于有效穗较高；

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The results show that spike length and plant height have higher wide heritability and lower narrow heritability.

遗传力分析表明，穗长和株高广义遗传力较大。

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The influences of high temperature stress on plant height, peduncle length and spike length three agronomic characters were different because of varietal characteristic.

高温胁迫对株高、穗下节间长及穗长3个农艺性状影响程度因品种特性不同而异。

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To utilize effectively dwarfing polish wheat in breeding, this experiment employed monosomic series of Triticum durum cv. Langdon to identify the chromosomal location of genes for spike length.

本试验利用一套Langdon硬粒小麦单体系对影响矮秆波兰小麦穗长的基因进行了染色体定位。

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The results showed that the differences in yield, 1000-grain weight, plant height and spike length of rice among different sowing date treatments were very significant ( P < 0.01);

结果显示：不同播种期处理间产量、千粒重、株高、穗长4个性状差异达极显著水平（P

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Its spike length was 4 cm longer, and grain weight per spike was 58.5 g more than the control.

并从中获得了穗长比对照最大穗还长4cm，穗粒重比对照最大穗还重58.5g特大穗变异株系。

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The agronomic traits of the wheat species such as plant height, spike length, panicle, and thousand seed weight decrease as grain sowing stage postponed. 5.

供试小麦品种的株高、穗长、穗粒数、千粒重等性状随播期的推迟而降低。

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It influences the spike length, the diameter of stalk and ear-corn;

穗直径最粗的是G0008单株；对玉米产量构成因素及品质的影响包括穗长、茎粗、穗粗；

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The descent of the spike length and the grain number per spike were main factors to induce reduction of output, the spike width and the weight per 100 grain were indirect factors to effect corn yield.

穗长、穗粒数的下降是影响产量的主要因素，穗粗、百粒重是影响产量的间接因素。

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Inheritance of Spike Length and Density of Barley in Three Crosses

三个大麦杂交组合的穗长和穗密度的遗传

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Photosynthetic rates were raised; spike length, spikelet number, grain number of main spike and grain weight of main spike were generally increased.

穗长、结实小穗数、主穗粒数增加，穗粒重提高。

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Moisture content had the most sensitive to young ear split apart elementary period, at this period it can increase plant height, spike length, number of grains, ripening rate and thousand kerner weight.

幼穗分化始期至减数分裂期对水分极为敏感，此期保水具有增高、长穗、增粒、提高结实率和千粒重的作用。

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The results showed that plant height, spike length, panicles per plant, spikelets of per spike were mainly controlled by additive genes.

结果表明小麦新资源的株高、主茎穗长、单株穗数、每穗小穗数的遗传以基因加性效应为主，这些性状的一般配合力与两亲平均值的相关系数较大。

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There were some small or no influence directly of seed size in plant height and spike length and grain unmbers per spike and1000-grain weight.

而在株高、穗长、单穗粒数及千粒重等性状上，种子大小不产生直接影响。

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In most cases, the accessions with the longer spike length would always have more spikelet.

小穗数多者其穗长通常比较长。

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High correlations were found between internode 5 and culm length, also and plant height, culm length and plant height, spike length and kernels per spike, heading date and anthesis date.

第5节间（穗下节间）长与茎长、株高间、茎长与株高间、穗长与穗粒数间、抽穗期与开花期间，均呈高度正相关；

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In two-rowed barley, the lowest standard deviation of main spike length was 1.02, and the highest of the single plant spikes was 39.75.

在13个供试的二棱野生大麦中，主穗长标准差最小为1.02；单株小穗数的标准差最大为39.75。

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Mutual effect of spike length and the 100 grain weight and single effect of the 100 grain weight, spike length and spike thick become maior factors influencing yield.

玉米稀土拌种百粒重、穗长、穗粗与产量直接通径作用大。穗长和百粒重的互作效应以及百粒重、穗长、穗粗单效应成为影响产量的主要因素。

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The results indicate that the genetic difference of spike length in this cross relates to one major gene and a group of polygenes; Heterozygote of the major gene shows incomplete negative daminance;

结果表明，该组合的穗下节长涉及一个主基因和一组微效基因，主基因杂合体为不完全负显性；

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On plant height, spike length and grain weight per spike of multi-joint quantitative character segregation analysis resulted show that: ( 1) they were controlled by 1 pair major genes plus polygenes.

对株高、穗长和穗粒重等3个性状的多世代联合分离分析结果表明：（1）三者均受1对主基因+多基因控制。

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