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had very high
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  有很高的
    Boll number had very high dominance contribution ratios on lint yield(CRD=96%),and followed by that of boll weight(CRD=41%).
    铃数对皮棉产量有很高的显性贡献率(CRD=96%),其次是铃重(CRD=41%);
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    The homology analysis showed that these 5 fragments had very high homologies with the maize mRNA that hade been separated . S_(TT-GC) had 80% homology with cytochrome b5 gene of N. tabacum .
    序列同源性分析表明:这 5 条片段都与已经分离的玉米 mRNA 有很高的同源性,S_(TT-GC)与烟草细胞色素 b5基因有 80%的同源性、SCT-TG与玉米、牛筋草、大麦、狗尾草、水稻等的 α-微管蛋白基因有 90%以上的同源性。
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    Grain length,width and 1000-grain weight all had very high broad heritabilities,their narrow heritabilities were 78. 70% ,89. 53% and 86. 46% ,respectively.
    粒长、宽和千粒重都有很高的广义遗传力,其狭义遗传力也较高,分别为78.70%,89.53%和86.46%.
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  “had very high”译为未确定词的双语例句
    The results showed that hybrid with K, V cytoplasm had very high heterosis in the grain yield per plant,7 crosses yielded 7 11%-25 1% more than the average of both parents, where 3 crosses of them were 15 7%-25 1%,4 crosses increased 2 4%-18 1%.
    结果表明:单株产量有很强的杂种优势,7个组合超双亲平均值为7.11%~25.1%,其中3个为15.7%~25.1%,4个组合超标优势2.4%~18.1%。
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    Th e results showed that Ye478 and Ye52106, the parents of Yedan 19(main cultivar i n production in Ningxia) had very high SCA.
    结果表明,目前生产上主栽品种掖单19的亲本掖478与掖52106具有较高的特殊配合力;
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    5. An intron was identified between CuA-CuB of PPO-2 gene, its variation could be found among different cultivars of wheat. The DNA sequence of functional region (CuA-CuB) in PPO-2 had very high homology among wheat and it's related, but its variation could also affect PPO activity of kernel.
    在转录水平上,PPO-2基因表达在发育过程中逐渐增强,与PPO活性变化、C区同工酶的表达规律较一致,高活性品种表达水平一般高于低活性品种。 表明,PPO-2基因与籽粒发育阶段PPO活性及C区同工酶表达有关。
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    The M_2 and M_3 generations had very high values of heritability on heading date (Table 3—4), which indicates that additive gene action have more influence than environment do on heading date.
    早熟突变范围一般比亲本提早3-12天,平均提早5.9天。 早熟突变体在M_3代的生育期遗传率达86%左右,表明早熟突变是可遗传的。
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    Electron probe analysis showed that the soil pot treated rice root had very high Fe peaks in outer cell wall of epidermis while very low or none Fe peaks were found in soil-bag treated rice root.
    电子探针分析显示土培稻根表皮层细胞外壁的Fe峰很高,而土袋水培者的Fe峰很低或为零。
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  had very high
The AlN and AlSiN films after optimization of the sputtering conditions had very high transmissivity and refractive index, and were suitable for magneto-optical Kerr effect enhancement.
      
Diffused resistors had very high resistor values compared to control samples fabricated on silicon.
      
However, Charpy V-notch testing showed that steel A had very high toughness at both room temperature and -20 °C, whereas steels B and C showed very low toughness at -20 °C and moderate toughness at room temperature.
      
Carbide precipitates on incoherent boundaries were typically equiaxed, while those on semicoherent boundaries had very high aspect ratios and appeared to form along ledges in the interphase boundary.
      
It was also found that the CAP-R mutants had very high levels of glycolysis when the cells were maintained in the presence of chloramphenicol.
      
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The mutants induced by colchicine (seedlings at 4-5 leaf stage were treated with 0.05% colchicine solution) were investigated in M_2 and M_3 generations of 2 indica-rice cultivars in 1981 -1983. The results (Fig.l, Table 1-2) showed that the rate of early ripening mutants (ERM) was relatively higher than that of late ripening mutants (LRM) and the range of ERM was wider than that of LRM in a same cultivar. The M_2 and M_3 generations had very high values of heritability on heading date (Table 3—4), which...

The mutants induced by colchicine (seedlings at 4-5 leaf stage were treated with 0.05% colchicine solution) were investigated in M_2 and M_3 generations of 2 indica-rice cultivars in 1981 -1983. The results (Fig.l, Table 1-2) showed that the rate of early ripening mutants (ERM) was relatively higher than that of late ripening mutants (LRM) and the range of ERM was wider than that of LRM in a same cultivar. The M_2 and M_3 generations had very high values of heritability on heading date (Table 3—4), which indicates that additive gene action have more influence than environment do on heading date. So, colchicine is a useful inducing agent in early breeding of rice.

利用0.05%秋水仙素溶液处理4~5叶期的2个迟熟早籼品种。结果表明,在同一亲本的后代中,同时出现早熟和迟熟双向突变,早、迟熟突变率分别为5.3%和3.5%。早熟突变范围一般比亲本提早3-12天,平均提早5.9天。早熟突变体在M_3代的生育期遗传率达86%左右,表明早熟突变是可遗传的。从广陆矮4号的诱变后代中,选得比原品种熟期提早8天,基本保持原品种其它性状的早熟新品种C255,于1986-1990年累计推广面积30余万亩。

Soil - bag hydroponic culture was conducted together with ordinary soil pot experiment to study the relationship between rica oranging physiological disease and Si, Fe in red soil solution. It was found that compared with red soil solution without rice plant, Si/Fe of that with rice plant decreased while Si/Fe of soil-bag hydroponic culture increased. Electron probe analysis showed that the soil pot treated rice root had very high Fe peaks in outer cell wall of epidermis while very low or none Fe...

Soil - bag hydroponic culture was conducted together with ordinary soil pot experiment to study the relationship between rica oranging physiological disease and Si, Fe in red soil solution. It was found that compared with red soil solution without rice plant, Si/Fe of that with rice plant decreased while Si/Fe of soil-bag hydroponic culture increased. Electron probe analysis showed that the soil pot treated rice root had very high Fe peaks in outer cell wall of epidermis while very low or none Fe peaks were found in soil-bag treated rice root.Thecause for Si/Fe rising of soil - bag treatment and its role on correcting the physiological disease were discussed.

以土袋水培法,结合普通盆栽研究水稻黄叶生理病与红壤溶液Fe、Si关系果表明,与无稻红壤溶液相比,植稻红壤的Si/Fe下降而土袋水培Si/Fe升高。电子探针分析显示土培稻根表皮层细胞外壁的Fe峰很高,而土袋水培者的Fe峰很低或为零。讨论了土袋水培的Si/Fe升高的原因及其对消除水稻黄叶生理病的作用。

At the present paper ,a 3@10 incomplete diallel cross was carried out for studying the inheritance of the grain characters. The results showed that,the grain length,width,Length/width and 1000-grain weight all were mainly governed by the additive gene effects; Length/width were determined by the female parents (MS lines),and the male parents (restorer lines)had very little effects on them,not at significant level,while 1000-grain weight,length and width were affected by both male and female parents. Grain length,width...

At the present paper ,a 3@10 incomplete diallel cross was carried out for studying the inheritance of the grain characters. The results showed that,the grain length,width,Length/width and 1000-grain weight all were mainly governed by the additive gene effects; Length/width were determined by the female parents (MS lines),and the male parents (restorer lines)had very little effects on them,not at significant level,while 1000-grain weight,length and width were affected by both male and female parents. Grain length,width and 1000-grain weight all had very high broad heritabilities,their narrow heritabilities were 78. 70% ,89. 53% and 86. 46% ,respectively. The correlations between length/width and width,were significantly positive,but length/width and 1000-grain weight, length/width and width, were significantly negative, Correlations between length and width,length and 1000-grain weight were not significant. The results of path analysis suggested that,direct path coefficients from length,width and 1000-grain weight to length/width were 0. 4881, -0. 7477 and -0. 0793,respectively. But the indirect path coefficients from 1000-grain weight to length/width by ways of length and width reached 0.1266 and -0. 5630,respectively. In the paper we have also discussed the ways of developing hybrid rice combinations with good yielding potential and desirable grain characters.

本文用3个不育系与10个恢复系为供试材料,组成3×10NCⅡ交配设计,对三系杂交稻谷粒性状进行了遗传分析.其结果,谷粒长、宽、长/宽和千粒重等四个性状均为加性基因效应起主导作用;谷粒的长/宽主要受母本(不育系)的影响.父本(恢复系)影响极小,来达显著水平;粒长、宽和千粒重三性状同时受父母本的影响,而且其影响均达极显著水平;粒长、宽和千粒重都有很高的广义遗传力,其狭义遗传力也较高,分别为78.70%,89.53%和86.46%.相关分析结果,粒长与长/宽,千粒重与粒宽之间均呈极显著正相关;长/宽与粒宽和千粒重均呈极显著负相关;粒长与粒宽和千粒重之间相关不显著.通径分析表明,粒长、宽和千粒重对长/宽的直接通径系数分别为0.4881、—0.7477和—0.0793;千粒重通过粒长、宽两性状的间接通径系数达0.1266和—0.5630.文中提出了培育粒形较好(长:宽比值大于3)的高产强优杂交稻的途径.

 
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