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胚根生长
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  radicle growth
    Effects of Salinity and Water Potential on Seed Germination and Radicle Growth of Riparian Populus euphratica
    胡杨种子萌发和胚根生长对环境因子变化的响应
短句来源
    0.2 g/ml of larch leaf aqueous extracts had significant inhibition on radicle growth of white birch, but other concentrations of larch bark and leaf aqueous extracts and leaf volatiles had little inhibition effects on seed germination of white birch;
    0.2g/ml的兴安落叶松树叶水浸液对白桦种子胚根生长有显著抑制作用,而其余浓度的树叶水浸液和兴安落叶松树皮水浸液及树叶挥发物对白桦种子萌发的抑制作用均不显著;
短句来源
    The results indicate: each concentration level of aqueous extracts from soil under two kinds of forests has no significant effect on seed pullulating, radicle and radicle growth;
    结果表明 :各个浓度水平的两种森林林下土壤浸提液对种子发芽 ,幼茎生长和胚根生长都无显著影响 ;
短句来源
    each concentration level of aqueous extracts from forest litter has significant effect. The concentration of 1∶10 equeous extracts from litter accelerates the radicle growth significantly, but those of the original and 1∶20 have no significant effect; and the concantions of 1∶10 and 1∶20 accelerate the tender stem growth, but the original has no significant effect.
    各个浓度水平的凋落物浸提液对胚根和幼茎生长有显著影响 ,经α=0 .0 5水平检验 ,1∶ 10液对胚根生长有显著的促进作用 ,原液和 1∶ 2 0液无显著影响 ,1∶ 10液和 1∶ 2 0液对幼茎生长有显著的促进作用 ,而原液无显著影响
短句来源
    The restriction of all the stresses to the radicle growth of Populus euphratica is more significant than the seed germination.
    在各种胁迫下,胚根生长都比种子萌发受到的抑制明显。
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  “胚根生长”译为未确定词的双语例句
    At lower concentration, the allelopathy of phenolic acids will promote the plant growth, for example, inhibiting disease or pest in soil and promoting seed germination, etc.
    通过外施稻草、竹叶水浸液进行毛竹种子发芽实验的结果表明,2种水浸液对胚根生长及发芽率的影响均表现为随浓度升高,抑制作用加强;
短句来源
    when salinity was higher than 15 g/L,only a few seeds could germinate and young seedlings grew far slowly and afterwards gradually died with salinity damage in culture dish but no seeds could germinate in mudflat field nursery.
    盐度15g/L以上时,种子虽能部分发芽,但胚根生长慢,后期坏死,在大田育苗时表现为不能出土萌发。
短句来源
    6 BA was not suit for budding of mature embryos. When the medium contained 6 BA 0.1~1.0mg/L. The elongation of radicle was inhibited and the plumule development abnormal seeding.
    植物激素6BA不适合成熟胚的萌发,当其浓度为0.1~1.0mg/L时会抑制胚根生长并致胚芽发育畸形
短句来源
    Only by using sterile air flowing, some signs of recovery growth of cryopreserved embryo, such as cotyledon elongation, radical growing and a lot of calli from hypocoty1, were observed.
    简单无菌风干燥脱水后的胚 ,液氮保存后恢复生长时 ,仅观察到子叶有限伸长、胚根生长、胚轴处产生大量白色的愈伤组织 ;
短句来源
    The germination rate and radicel growth speed are evidently different in different temperatures, andthe optimal temperature of seed germination is a variable temperature in 20-30℃.
    在不同温度下,沙棘种子萌发率和胚根生长速度明显不同,认为沙棘种子最适萌发温度为20~30℃的变温。
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  radicle growth
Photosynthesis function in seeds might also promoted radicle growth and seedling establishment.
      
This difference does not develop until after 12 hours of imbibition at 27°, which is the time of onset of germination and radicle growth.
      
The seeds were germinated in various concentrations of sodium chloride and their germination, seedling radicle growth, and dark respiration studied.
      
Aqueous extracts of various plant parts, field soils and decaying mulch significantly reduced germination, radicle growth and water contents of all test species.
      
Heavier seeds (seeds from older plants) also had the highest root radicle growth rates.
      
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Chinese fir (Cunninghamia lanceolata) seeds had been stored for 4 years at low,temperature above zero degree, It's vigour suffered to obvious impair. But after treating 3000G. S. 5 min., germination percentage had been regained its original level, higher than the controlby 16.87%, germination speed and radile growth higher than the control by 17.51% and 89.22%.Because interal hormone content during the germination, especially after germination, GA_3, IAA,CTK was increased and ABA was decreased by magnetie treatment....

Chinese fir (Cunninghamia lanceolata) seeds had been stored for 4 years at low,temperature above zero degree, It's vigour suffered to obvious impair. But after treating 3000G. S. 5 min., germination percentage had been regained its original level, higher than the controlby 16.87%, germination speed and radile growth higher than the control by 17.51% and 89.22%.Because interal hormone content during the germination, especially after germination, GA_3, IAA,CTK was increased and ABA was decreased by magnetie treatment.

杉木种子在低温零上条件下贮藏四年以后,种子活力受到明显影响。但是经过3000高斯处理5分钟以后,发芽率基本恢复到原来水平,比对照提高16.87%,发芽势和胚根生长量分别提高17.51%和89.22%。这是因为磁场处理,提高了杉木种子在萌发过程中,尤其是在露白以后,内源激素GA_3、IAA、CTK的含量,并抑制了ABA的活性。

From this study, Pinus taiwanensis in the seed obsorption water period could compound the most quantity of esterase isoenzyme with the highest activity which had a positive correlation to the quantity of nucleic acids. By isoenzyme zymograms and fuzzy cluster analysis about Rf, the degrees of variation of Dayangshan, Kaihua and Lin'an provenances were close and the degree of variation of Yingshan prvenance was similar to that of Jinzhai provenance. In the seed germination period, the metabolism level of nucleic...

From this study, Pinus taiwanensis in the seed obsorption water period could compound the most quantity of esterase isoenzyme with the highest activity which had a positive correlation to the quantity of nucleic acids. By isoenzyme zymograms and fuzzy cluster analysis about Rf, the degrees of variation of Dayangshan, Kaihua and Lin'an provenances were close and the degree of variation of Yingshan prvenance was similar to that of Jinzhai provenance. In the seed germination period, the metabolism level of nucleic acids was related to the growth of redicle and in the primary shoot period, was not obviously related to the number of the esterase isoenzyme bands. There was very difference among DNA/RNA values of different organs in the seedling period and no obvious relation between the value and corresponding organ growth.

本项研究表明,黄山松在种子吸胀期的酯酶同工酶合成数量最多,活性最大,并与核酸含量呈正相关。对各种源酶谱图的异同点和R_f值模糊聚类两种分析得知,大洋山、开化、临安3种源变异程度接近,金寨、英山为另一类变异程度接近的种源。核酸代谢水平在萌发期与胚根生长量相关,在初生苗期与酯酶同工酶酶带数无明显相关。成苗后各种源营养器官的RNA/DNA值有很大差异。此值与各相应器官生长量也无明显相关。

The autotoxic effects of Pinus massoniana were studied. The result indicated that the aqueous extracts of leaves, leaves-fall. rotted leaves, roots, rotted roots and the surface soil from mature P. massonia,massoniana stand exhibited significant inhibition on seed germination, radicle growth and ectomycorrhiza4 formation of 1-yr pine seedlings as well as suppressed seedling growth with the exception of leaves'. But aqueous extracts of leaves showed significant stimulation on seedling growth. The order of their...

The autotoxic effects of Pinus massoniana were studied. The result indicated that the aqueous extracts of leaves, leaves-fall. rotted leaves, roots, rotted roots and the surface soil from mature P. massonia,massoniana stand exhibited significant inhibition on seed germination, radicle growth and ectomycorrhiza4 formation of 1-yr pine seedlings as well as suppressed seedling growth with the exception of leaves'. But aqueous extracts of leaves showed significant stimulation on seedling growth. The order of their inhibitory effects was: soil or rotted leaves>rotted roots>roots>leaves-fall>leaves.

用马尾松成林的鲜叶、枯落叶、腐叶、活根、腐根及表土的水浸提液对其种子发芽及苗木生长的影响进行了试验。结果表明:上述6种侵提液处理与蒸馏水处理相比较,对马尾松种子的发芽、胚根生长和一年生苗木外生菌根的形成均有抑制作用;除鲜叶外,其他5种浸提液对马尾松一年生苗木高生长、主根长及鲜、干重有显著的抑制作用,而鲜时浸提液则有显著的促进作用,其抑制作用强弱的顺序是:土壤或腐叶>腐根>活根>枯落叶>鲜叶。这表明马尾松的叶、根组织及其残体含有对本种起抑制作用的物质存在,因而产生自毒作用。土壤是马尾松叶、根等器官在生长过程中分泌的及其残体在分解中产生的植物毒素的积聚场所,所以抑制作用最强。

 
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