穗高

玉米穗高系数对产量性状的影响

Effect of the Spike Position Height Coefficient on Yield Characteristics in Maize

结果表明，穗高系数与穗长、行粒数、千粒重、产量呈正相关，与穗行数、穗粗呈负相关。

The results showed that the spike position height coefficient has positive relevance with spike length , grains per row , 1000 grains weight and yield and negative relevance with rows per spike and spike diameter .

不同水分条件下玉米株高和穗位高的QTL分析

QTL Analysis of Plant Height and Ear Height in Maize under Different Water Regimes

在父本组中，株高、穗位高、穗长三个性状的GCA方差分析差异显著。

Analysis showed that the GCA variance of plant height , ear height and ear length in male parents were notable .

雌雄蕊原基分化期幼穗中高含量的ZR和iPA，小花分化数多，较高含量的ZR和iPA有利于小花分化。

High contents of iPA and ZR at the pistil and stamen primordium differentiation stage could promote the formation of fertile florets per spike .

采用增广NCⅡ设计，研究玉米的株高、穗位高、穗长、穗粗、穗行数、粒长、百粒重和小区产量的遗传。

The genetic model of maize including the plant height , ear diameter , ear length , ear placement , row number , grain length , 100 grain weight and plot yield was studied using augmented NC ⅱ design .

有机肥增效剂和活性酶土壤结构调节剂（BZ和AG制剂）处理能促进水稻的生长发育，水稻的群体增大，分蘖较多，成穗率高；

Increasing efficiency agent and reactive enzyme soil organic structure regulator ( BZ and AG agents ) to handle the growth for rice growth , increasing rice groups , tillering more into Sui rates ;

穗位高、雄穗分枝个数、穗粗的遗传均符合C-0模型，即符合加性-显性-上位性多基因遗传模型。

The optimum genetic models of ear height , tassel branch number and ear diameter were C-0 , the inheritance were controlled by additive-dominance-epitasis polygene .

转Bt基因玉米的生育期、株高、穗位高、穗长、穗粗等与对照差异不大，秃尖长明显短于对照，穗粒数和产量明显高于对照。

The growing stage , height of stem and ear position , ear length and ear width had not significant difference with common maize , but the length of bare tip of ear were notable shorter and number of ear grain and yield were notable higher than common maize .

推论株高、穗位高、穗长、穗粗、出籽率和百粒重等这些与产量相关性状的降低，有可能最终导致o2-NILs组合产量低于普通玉米组合。

These traits related yield such as the plant height , ear height , ear length , ear diameter , kernel rate and grain weight decreased , which might result in lower yield in o2-NILs combination than normal corn combinations . 5 .

分蘖成穗率高、分蘖穗比率大的群体产量较高。

The rice plant population with more effective tillers was high - yielding .

玉米穗位高遗传效应及其与环境互作效应分析

Analysis of Genetic Effect and Genetype by Environment of Ear Height on Maize

结果表明，株高等7个性状与籽粒产量呈极显著正相关，生育期为显著正相关，穗位高和穗粗为正相关，但差异不显著，穗行数为显著负相关。

Was studied . The results indicated that maize yield was highly significantly correlated with seven characters of plant height etc.

聚糠萘合剂处理后，两品种株高和穗位高下降，地上与地下部干物重增加，根冠比增加。

After PKN treatment , two varieties of plant height , ear height , ground dry weight , root to shoot ratio decreased .

冬前叶片数少，叶片小，分蘖少，分蘖成穗率高；

Leave numbers per plant before winter , tiller number were less , leaves wered small , while percentage of earbearing tiller was high ;

结果表明，持续高产田具有成穗率高、穗型大、谷草比高的生育特点。

The results showed that the sustainable high yield population was characterized by high earing rate , big spike size and high ratio of grain-straw .

用根倒级数表示的根倒伏程度与株高，穗位高、重心高度和环状气生根数显著正相关，而与茎秆质量性状相关不显著。

Root-lodging grade was significant correlation with height of plant and ear and number of brace root , but non-significant correlation with stem quality properties .

手栽稻分蘖发生叶位数多，且茎蘖成穗率高，单株成穗数多；

The number of tiller leaf position of artificial transplanting rice was more , earbearing tiller percentage was higher and panicle number per plant was more .

从D0到D3代连续4代田间性状观察统计发现，变异植株的株高、穗位高、光合叶面积等均有变化。

Through observing character of 4 generation from D_0 to D_3 , the height of plant the height of fruit and area of leaf are all variety .

与翻耕直播相比，免耕直播稻分蘖能力较弱，但无效分蘖较少，成穗率高。

Compared with conventional tillage and direct seeding ( CT-DS ) rice , NT-DS rice displayed weaker tillering capability , less unproductive tiller number and higher productive tiller percentage .

植株株高、穗位高、重心高不同氮水平之间差异达显著水平，但不同硅水平之间差异未达显著水平。

The difference of plant height , ear height , a height of gravity center showed significant between nitrogen levels were significant , but not between levels of silicon .

早、晚稻分蘖消长动态观测结果表明，施控释肥处理水稻生长前期分蘖增长平缓，分蘖高峰平稳，在后期茎蘖消亡率低，成穗率高。

According to the records of tiller growth , it can be seen from CCF treatments that tillers increased gently and the tiller peak appeared smooth at early growth phase .

1970-2000年代杂交种的亲本自交系株高保持相对稳定（略降）；穗位高降低，且随着密度的增加，趋势增强。

( 3 ) Plant height of parent lines was relative stable from the 1970s to the 2000s . Ear height decreased , and the trend was enhanced at higher densities .

相比之下，钵体育苗抛秧与摆栽技术可以有效避免机械损伤、缓苗快、秧苗素质高、低节位分蘖，成穗率高、节省成本等诸多特点。

In contrast , potted seedlings transplanted and inseminate technology can effectively avoid mechanical damage , slow-fast , seedling quality high , low section-spike tiller , rate , saving costs and many other features .

套种玉米株高、穗位高、茎基宽、穗重、穗粒重低于单作玉米。

And plant height , ear height , base stem width , ear weight and grain weight per ear of maize ( under ) ( intercropping ) are lower than that ( under ) monoculture .

研究结果表明：高油玉米主要性状中叶片数、穗位高、抽丝期、株高等遗传力较高，可在早代进行选择。

The results showed that : the hereditary capacity of the numbers of leaves , ear position , silking stage and plant height were higher than other major characters , these characters can be selected at early generation .

组配的114×15、114×42特殊配合力高，株高、穗位高适宜，是大穗大粒型强优势组合。

Combinations of 114 × 15 , 114 × 12 are higher in SCA . They are appropriate for the height of plant and ear position . They belong to strong heterosis combinations of big ear and big kernel .

综合抗性好，抗白粉病、锈病和叶枯病；分蘖成穗率高，穗粒数平均为30粒：植株偏高，千粒重较低：品质优良。

( CK ), better disease resistance to powdery mildew , rust and leaf wilt , more tillers and spikes per plant , average 30 grains per spike , higher plant , lower thousand-grain weight , and high quality .

结果表明：申优1号以其分蘖力强、成穗率高、穗形大、结实率高的特点，适合应用强化栽培技术。

The results showed that the rice variety " Shenyou 1 " was appropriate to the application of SRI due to its strong tillering ability , high percentage of ear-bearing tiller , big ear , and high filled-grain percentage .

以垄沟点播玉米比垄上点播玉米增产17.69%～17.92%，其株高、穗位高、穗粗、茎粗均有所增加。

The yield of furrow dibble planting corn is increased by 17.69 % ~ 17.92 % than the ridge planting . The plant height , height of ear position , ear perimeter and stem perimeter of the former are also increased .