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late maturing stage
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  “late maturing stage”译为未确定词的双语例句
     Ratio of C/N in seedcase was 2 to 3, and dropped to below 0.5 at late maturing stage.
     施氮肥量不同时角果皮早期的C/N在2-3之间,成熟后期在0.5以下。
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  相似匹配句对
     There are precocity, middle, late maturing ;
     依红心柚成熟期将其分为早熟红心柚、中熟红心柚、晚熟红心柚3类;
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     A Late Maturing Longan Variety‘Songfengben’
     晚熟龙眼新品种‘松风本’
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     Never to be late
     改变恶习 永不太迟
短句来源
     It was too Late!
     太迟了!
短句来源
     Ratio of C/N in seedcase was 2 to 3, and dropped to below 0.5 at late maturing stage.
     施氮肥量不同时角果皮早期的C/N在2-3之间,成熟后期在0.5以下。
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Peroxidase activity increases concurrently with embryo differentiation and maturation until the quiescent stage. Histochemically, active sites were confined to the epidermal layer and suspensor region of the embryo in early stages of development. A higher peroxidase activity was found in the vascular tissues of the scutellum, plumule, and root as well as root cap in later stages. The number ofisoperoxidase bands depended on the stage of development. At early stages of development there appeared in the cathode...

Peroxidase activity increases concurrently with embryo differentiation and maturation until the quiescent stage. Histochemically, active sites were confined to the epidermal layer and suspensor region of the embryo in early stages of development. A higher peroxidase activity was found in the vascular tissues of the scutellum, plumule, and root as well as root cap in later stages. The number ofisoperoxidase bands depended on the stage of development. At early stages of development there appeared in the cathode region 2-3 bands of isoperoxidase, which disappeared as the embryo entered into late maturing stage, while 3-4 bands of isoperoxidase appeared in the anode region. On the other hand, when pregerminated embryos were used as materials at various stages of development, there was no obvious difference in peroxidase pattern among the embryo extracts except that in later stage there were some additional bands in the anode region.

稻胚过氧化物酶活性随着胚的分化发育而增高,至成熟期趋于稳定。酶活性反应初期出现在幼胚表皮层及胚柄,以后又出现在胚芽、胚根及盾片的维管束原,根冠外缘与各器官原基表皮层的细胞外缘。过氧化物酶同工酶随胚发育期而变化,前期在靠阳极端有两条明显快带,至后期逐渐消失,但出现3~4条近阴极端的明显慢带。不同发育期的幼胚在离体强制萌发后则近阳端的过氧化物酶同工酶谱大体相同,只是较成熟胚近阴端的慢带增多。这些现象说明:过氧化物酶活力的出现与胚细胞分化成熟有关;稻胚发育过程中有遗传信息的顺序表达,而且它们表达的规律是与胚和它所处的内、外环境条件之间相互作用有关。

Seven Ft plants (ABDJN 2n = 35) were obtained through the culture of immature hybrid embryos from T. aestivum (AABBDD 2n = 42) crossed with L. mollis (JJNN 2n = 28). Treatment of tillering nodes of F1 plants with colchicine and backcrossing to T. aestivum produced 11 seeds. After the culture of immature embryos, 7 BC1 F1 plants (AABBDDJN 2n = 56) were obtained. Three spike shapes of octoploid Tritileymus (AABBDDJJ or AABBDDNN 2n= 56) were obtained after continuous self-cross selective breeding until BCiF? Root...

Seven Ft plants (ABDJN 2n = 35) were obtained through the culture of immature hybrid embryos from T. aestivum (AABBDD 2n = 42) crossed with L. mollis (JJNN 2n = 28). Treatment of tillering nodes of F1 plants with colchicine and backcrossing to T. aestivum produced 11 seeds. After the culture of immature embryos, 7 BC1 F1 plants (AABBDDJN 2n = 56) were obtained. Three spike shapes of octoploid Tritileymus (AABBDDJJ or AABBDDNN 2n= 56) were obtained after continuous self-cross selective breeding until BCiF? Root tip chromosome numbers of BC1F5 plants were 52-56. In the meiosis of PMC at MI, the percentage of cells of 2n = 28Ⅱ was 45.38-48.89%. The chromosome configuration was 1.69Ⅰ + 27.07Ⅱ+ 0.06Ⅲ. Plant height was 89-105cm, spike length 13-16 cm, and the number of florets 96-108. Grains were red and big but starved, Thousand-grain weight was 44.5-51 g. selfing and natural seed setting rate were 27.70-54.58% and 49.48-58.63% respectively. They had relatively late maturing stage with cold and drought tolerance, and resistance to stripe rust, stem rust, leaf rust, scab and to powdery mildew.

通过普通小麦(AABBDD 2n=42)与滨麦(JJNN 2n=28)杂种幼胚培养,获得F_17株(ABDJN 2n=35)。用秋水仙碱处理分蘖节后,再用普通小麦回交得到11粒种子。幼胚培养后得到BC_1F_17株(AABBDDJN 2n=56)。经过连续自交选育至BC_1F_0代,获得3种穗型的八倍体小滨麦(AABBDDJJ或AABBDDNN)。根尖细胞染色体数目为52—56。花粉母细胞减数分裂中期Ⅰ,2n=28Ⅱ的细胞占45.38—48.89%,染色体构型为1.69Ⅰ+27.07Ⅱ+0.06Ⅲ。株高89—105厘米;穗长13—16厘米;小花数96—108个;籽粒红色、大粒、不饱满,千粒重44.5—51克;自交和天然结实率分别为27.70—54.58%,49.48—58.63%;成熟期偏晚;耐寒耐旱;抗条锈、秆锈、叶锈、赤霉和白粉病。

Field experiments were conducted to study the growth and developmentcharacteristics and high yielding techniques of three new two-line late japanica hybrid rice combinations (5088s/R187, 31301s/1514 and 7001s/1514) from 1992 to 1994. The resultsshowed the three new combinations, compared with conventional late japanica Eyi105, had stronger tiller capacity, bigger spikelets number per panicle, greater sink bulk and more drymatter accumulations per unit area. So they had higher yield potential and utilization...

Field experiments were conducted to study the growth and developmentcharacteristics and high yielding techniques of three new two-line late japanica hybrid rice combinations (5088s/R187, 31301s/1514 and 7001s/1514) from 1992 to 1994. The resultsshowed the three new combinations, compared with conventional late japanica Eyi105, had stronger tiller capacity, bigger spikelets number per panicle, greater sink bulk and more drymatter accumulations per unit area. So they had higher yield potential and utilization value.However, they also showed shorter effective tillering stage, lower filling strength, lower seed setting and lower exportion percentage of stem and sheath. There fore the key to high yield of the three new combinations lies in raising their setting percentage and winning suffi-cient panicle number per unit area. For this purpose, what should be employed is the tech-niques such as sparse sowing, rational early sowing and transplanting, rational dense plant-ing (not less than 2 ×104 hills per 666. 7 m2), suitable nitrogen applying, and avoiding too early drainage at late maturing stage.

1992~1994年对5088s/R187、7001s/1514和3130ls/1514等两系晚粳杂交新组合的生育特性及其高产栽培技术进行了研究。结果表明这些组合具有分蘖力较强,光合势大,稳粒数多,生物产量高等优点;但由于结实率较低,使其潜在产量优势发挥不理想。生产上应用这些组合时应以保证足够稳数,提高结实率为重点,切实抓好早播、壮秧、苗足、前促、中控、后健等措施。

 
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