The grain weight per panicle(GW) and 1000-grain weight(TGW) of rice were investigated on 129 doubled haploid(DH) lines grew in two different seasons.
用基于混合线性模型的统计方法对一套来源于亲本IR64/Azucena的加倍单倍体群体在两个生产季节的水稻单穗重和千粒重进行了分析,各检测到15个QTL分别控制这两个性状,其中有6个QTL同时与这两个性状有关。
The 1000-grain weight,the protein content and the sedimentation of grains at the first and the s.
结果表明,籽粒粒重和品质不因穗位的不同而变化,不同花位上的籽粒粒重分布呈现单峰曲线,第2花位粒重最高;蛋白质含量、沉淀值大致随小花花位的增高而降低,特别是各小穗第3、4小花位较第1、2小花位上的籽粒品质极显著变劣,千粒重、蛋白质含量、沉淀值差异极显著。
Because the setting percentage and 1000-grain weight in the spilekets on primary branches are higher than those on secondary branches, and its grain sink was coordinated to source with.
其原因主要在于一次枝梗着粒的千粒重高于二次枝梗着粒的千粒重,一次枝梗着粒的结实率高于二次枝梗着粒的结实率;并且其库源关系协调,粒/叶、实粒/叶、实粒重/叶均较高。
Ninety-eight backcross inbred lines derived from Nipponbare(japonica)/Kasalath(indica)//Nipponbare were used to map QTL for grain shape related traits and 1 000-grain weight under the three environments.
以Nipponbare(japonica)/Kasalath(indica)//Nipponbare BC1F10的98个家系为材料,在3种环境下对水稻粒形相关性状及千粒重进行数量性状基因位点(quantitative trait loci,QTL)的定位分析。
Taking 10 maize varieties with different maturation periods as materials,the effect of the harvest period on 1 000-grain weight and yield was studied.
以不同熟期的10个夏玉米品种为试材,研究了不同收获期对千粒重和产量的影响。
Based on the results,three regression equations(the regression equation of 1 000-grain weight and disease index;the regression equation of yield loss rate and ultimate disease index;the regression equation of yield loss rate and ultimate stem disease rate) were formed.
通过典型调查和统计分析,油菜千粒重随着菌核病病级的增加而下降,产量损失率随着茎病株率、病情指数的增加而加大。
The thousand kernel weight and the total grain weight rised mar.
降低了植株的单株结实率,增加了单株籽粒重,显著提高了种子的千粒重。
dicoccoides introduced from Israel were crossed and backcrossed with common wheat cultivars(Yangmai 5,Yangmai 158)and 128 stable lines were selected from F 5,BC 1F 4 and BC 2F 3 generations,among them,17 lines with thousand kernel weight above 5 grams higher and seed protein percentage 4% more than those of their common wheat parents.
从F5、BC1F4 、BC2 F3 代中选出的 12 8个外部形态性状已基本稳定的株系中 ,选出千粒重高于对应普通小麦亲本 (扬麦 5号和扬麦 15 8) 5g以上的株系 17个 ,籽粒蛋白质含量比普通小麦亲本高 4%以上的株系 12个 ,其中有 5个株系的千粒重和籽粒蛋白质含量均显著高于普通小麦。
Based on test and analysis on germination percent, viability, excellence, thousand kernel weight and purity of seed sampling of Pinus sylvestris var.
依据内蒙古《主要造林树种种子分级》标准 ,利用数理统计的方法对收集自红花尔基、牡丹江、佳木斯、章古台、蒙古国等地的樟子松种子样品的净度、发芽率、生活力、优良度、千粒重进行检验分析得出 :划分种子等级的品质指标应以发芽率、生活力为主要指标 ;千粒重只能作划分种子等级的参数指标 ,优良度作划分种子等级的依据值得进一步探讨 ;净度是种子收购与贮藏的主要指标。
This paper,through determination of the thousand-grain weight of Pinus pinaster introduced from France,thinks that the seed quality is good and the coefficient of variation is small.
通过对从法国引进的海岸松种子进行千粒重测定,认为法国海岸松种质均一,变异系数小;通过对引进种子在试验室及苗圃地不同处理情况下进行萌发试验,可为日后海岸松引种试验提供基础数据。
The results showed that when the disease occurred in the early blooming,the loss rate of thousand-grain weight was 51.
通过对不同发病时期的绵油12的千粒重、含油量以及脂肪酸组成含量进行比较,结果表明,初花期感染菌核病造成千粒重损失率为51。
The influence of different seed s thousand-grain weight of soybean and maize on the germination percentage,the percentage of seedling emergence,the speed of seedling emergence and the percentage of seedling was studied.
以大豆、玉米种子为试验材料 ,研究了其不同千粒重对发芽率、出苗率、出苗速度和成苗率的影响。
The research showed that 1000 grain weight of transgenic plants was obviously improved,but the starch content of the rice was little changed.
大量的农艺性状及淀粉含量研究表明 ,转基因水稻种子的千粒重比对照明显提高 ,但总淀粉含量没有显著变
78 g of 1000 grain weight and grain yield by 665.
结果表明 :在造好底墒水的前提下 ,冬小麦春季灌 4次水 (简称 4水 )与春季灌 2次水 (简称 2水 )相比 ,千粒重增加 1 78g ,产量增加 665 1kg/hm2 ,但全生育期多耗水 73 65mm ,并且水分利用效率下降 7 63% ;经分析 ,差异显著。
then QTL mapping were conducted for oil content and 1000-seed weight of phase harvested rapeseed.
利用EST标记、SRAP标记、miRNA标记等来源的功能分子标记构建功能基因图谱,并利用分期收获的种子含油量和千粒重表型数据进行QTL定位分析。
The results showed that chlorophyll content of spring wheat flag leaves,1000-seed weight and grain weight decreased under high temperature stress in the filling stage.
研究结果表明,春小麦灌浆期高温胁迫下旗叶叶绿素含量、千粒重、穗粒重均下降,不同品种(系)下降幅度差异较大;从灌浆期到成熟期高温胁迫下春小麦旗叶叶绿素含量降幅明显高于常温。
Expression Stability of QTLs for Grain Shape Related Traits and 1000-Grain Weight in Rice (Oryza Sativa L.);
水稻粒形相关性状及千粒重QTL表达稳定性分析
QTL Mapping and Interaction Analysis for 1000-Grain Weight and Percentage of Grains with Chalkiness in Rice
水稻千粒重和垩白粒率的QTL及其互作分析
Cereals and oilseeds method for determination of the mass of 1000 grains
GB/T5519-1988粮食和油料千粒重的测定法
Mining the QTLs for Increasing Thousand Grain Weigh from Synthetic Wheat;
发掘人工合成小麦中增加千粒重的QTL
Genetic Analysis of Grain Weight and Toward Map-based Cloning of a Major Gene in Rice;
水稻千粒重的遗传相关分析和定位克隆研究
Study on the Relation between Seed Germination,Seedlings Development and Seed’s Thousand-grain Weight of Soybean and Maize;
大豆、玉米种子的千粒重与发芽成苗关系的研究
Analysis of Genetic Diversity in Tibetan Brassica Grain Weight
西藏栽培油菜千粒重优良种质资源多样性分析
Effects of Continuous Drought on Photosynthesis and 1000-grain Weight of Wheat Cultivated in Filed
持续干旱对大田小麦光合作用及千粒重的影响
A Study on the Relationship between 1000-Grain Weight and Yield in Hybrid Rice
杂交稻及其亲本千粒重与产量的关系研究
Impact of Soil Moisture on Winter Wheat 1000-grain Weight in Loess Plateau of Xifeng
西峰黄土高原土壤水分对冬小麦千粒重的影响
Compared to no treatment, the dressing gained advantages of 1 000grain weight, per ear weight, and 37.36% -48.06% wheat yield.
小麦的千粒重、单穗重、小区产量均较高,小麦增产 37．36％-48．06％。
The Development of Brassica Napus EST-SSRs and QTL Mapping of 1000-seed Weight and Quality-related Traits;
甘蓝型油菜EST-SSRs的开发和千粒重及品质相关性状QTL定位
The Response of Seed Setting Rate and 1000-grain Weight of ShanYou 63 by High-temperature in AnHui Province
高温对安徽省水稻汕优63结实率、千粒重的影响分析
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。
While raising N application concentration fromtransplanting to heading or employing excessive spike fertilizer would result in obvious decrement of hull area and grain weight.
增加移栽至抽穗期的供氮浓度或过多施用穗肥，使谷壳面积明显减少，千粒重显著下降；
Sorry, you're five kilos overweight.
对不起，超重5千克。
a pneumatic jack
气力起重机, 气力千斤顶
The gross weight for each case be around 45 kilo .
每箱毛重约45千克。