穗高
- 网络Hotaka;FASTRAX;Shin Hodaka;SHINMEN HODAKA;Hodaka Yamakaw
![穗高](../cache/1324163.jpg)
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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
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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 .
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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
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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 .
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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 .
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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 .
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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 ;
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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 .
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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 .
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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 .
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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 .
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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
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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.
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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 .
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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 ;
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .