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    The results showed that seed germination,growth of radicles,activities of SOD and CAT were activated under slightly-polluted Cd2+ stress,but they were inhibited under heavily-polluted and seariously-polluted Cd2+ stresses.
    结果显示:轻度Cd2+污染胁迫对红三叶种子的萌发及胚根的生长、幼苗的SOD和CAT活性表现出了激活效应,但重度Cd2+污染胁迫和严重Cd2+污染胁迫却抑制了红三叶种子的萌发、胚根的生长及幼苗的SOD和CAT活性;
    Radicel and embryo length of larch were inhibited significantly by 0.2 g/ml of bark aqueous extracts and white birch leaf volatiles. 0.01 g/mk 0.1 g/ml and 0.2 g/ml of white birch bark aqueous extracts all had inhibitory effects on radicel growth (p<0.05);
    0.2g/ml的白桦树皮水浸液和树叶挥发物显著抑制了兴安落叶松种子胚根和胚芽的生长,0.01g/ml、0.1g/ml和0.2g/ml的白桦树皮水浸液均显著抑制了胚根的生长(p<0.05);
    however, only 0.2 g/ml of white birch leaf aqueous extracts had inhibition on radicel growth (p<0.05), and that germination percentage and index of larch seeds were inhibited significantly by 0.1 g/ml of white birch leaf extracts (p<0.05);
    0.2g/ml的白桦树叶水浸液仅显著抑制了胚根的生长,而0.1g/ml的水浸液则显著抑制了兴安落叶松种子发芽率和发芽指数(p<0.05);
    Therefore, the germination rate of tomato seeds could be used to study the culture condition of crude toxin in the following study.
    其中粗毒素对番茄种子发芽、胚根生长的影响更明显,因而可以用番茄种子发芽率作为指标来研究毒素的培养条件。
    The plumule growth was prohibited as the concentration of NaCl solution increased, however the radical growth was promoted from 0 to 0.05mol/L, thereafter was decreased.
    较低的盐浓度(0.05 mol/L)可促进胚根生长,但随盐浓度增加,则抑制胚根生长
    The hypocotyls grew fast at the concentration of 50mg/kg, but inhibited in 100mg/kg and 200mg/kg.
    胚根的生长有所不同,壳聚糖对胚根生长有一定的促进作用,其中以50mg/kg的处理效果最好,20mg/kg、100mg/kg和200mg/kg也有一定促进作用,对照的胚根生长最慢。
    1. Lower concentration 50mmol/L promoted the germination and the growth of radicle.
    1. 50mmol/L NaCl 处理对甜瓜种子萌发和胚根生长有促进作用;
    Using the crude toxin, the research investigated the effect of Phytophthora capsici on the leaf of pepper, the germination of pepper seeds, the growth of seedlings, the growth of pepper radicel, and the callus of pepper.
    1.用胡萝卜汁培养液培养辣椒疫病病原菌,其培养滤液为辣椒疫病病原菌粗毒素,测定了粗毒素对辣椒叶片、辣椒种子发芽率、辣椒种子胚根生长、辣椒幼苗生长和辣椒愈伤组织的影响。
    The experimental results showed that the crude toxin of Phytophthora capsici could inhibit the germination of seeds, the growth of seedlings, and the growth of pepper radicel and the callus of pepper extremely.
    结果表明,粗毒素能使辣椒叶片产生与疫病病原菌侵染类似的水渍状褐腐斑,抑制辣椒种子的发芽率,抑制辣椒幼苗和胚根的生长,抑制辣椒愈伤组织生长,并且粗毒素的这些抑制作用随着其浓度的升高而变强,不同品种所得出的实验结果一致。
    According to their inhibitory effect on the radicle growth,the isolates could be divided into five groups(Ⅰ-Ⅴ), whose inhibitory effect on the radicle growth was 14.7%,26.0%,34.7%,45.0% and 68.7%,respectively.
    菌组对胚根生长的平均作用分别为14.7%,26.0%,34.7%,45.0%和68.7%。
    In addition,there was statistically significant difference in the toxicity between filtrate extract and mycelia extract whose inhibitory effect was 50.6% and 42.7%,respectively,due to the different toxins in the two extracts.
    此外培养滤液和菌丝两种提取物对胚根生长的作用分别为50.6%和42.7%(统计上差异显著),这是由于两者存在不同毒素所致。
    The effects of inhibition on seeds germination aod roots growth in wheat were shewed by using 60, 80, 100ppm carbolic acid solution.
    本文报道了苯酚溶液浓度为60、80、100ppm时,可抑制小麦种子的发芽率和主胚根的生长。
    Regression equations between the concentrations and radicle growth speed in cucumber were found.
    找出了浓度与黄瓜胚根生长速度之间的回归方程。
    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%.
    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%。
    A primary study was conducted on the relationship between different concentrations of gibberellic acid(GA),indole-3-ac(?) ic acid(IAA), naphthaleneacetic acid(NAA),2,4-dichlorophenoxyacetic acid(2,4-D), 6-furfuryl aminopurine,myricyl alcohol and radicle growth speed in cucumber. The results showed that there was an obvious negative relationship between plant hormone concentrations and radicle growth speed in cucumber.
    本试验通过对萘乙酸(NAA)、2,4—二氯苯氧乙酸(2,4—D)、三十烷醇、6—糠基氨基嘌呤、赤霉素(GA_3)和吲哚乙酸(IAA)的浓度与黄瓜胚根生长速度之间的关系进行研究,结果表明:一定范围的某些植物激素浓度与黄瓜胚根生长速度之间呈高度的负相关。
    It was observed that percentages of germination of cotton seeds(cv,Yanmian 48)at 19℃ and corn grains(cv,Jidan 23) at 7℃ could be greatly increased by 111.8% and 130.3% respectively with treatment of choline chloride (CC) at 200mg/L for 48h. Treatment with choline chloride at 100mg/L could evidently alleviate inhibition of radicle growth of cucumber (cv,Jinyan 4) under chilling stress.
    用200mg/L氯化胆碱短时(6h)与长时(48h)浸种可使盐棉48在19℃低温下的萌发率提高63.6%与111.8%,长时(48h)浸种使冀单23(玉米)在7℃低温下的萌发率提高130.3%,100mg/L氯化胆碱还使低温下黄瓜胚根生长抑制得到明显缓解。
    The experimental result showed the new compound had significant inhibiting effect on the growth of bud and radicle of rape and rice. The value of IC 95 on the bud and radicle of rape were 2× 10 -3 g·L -1 and 1.26×10 -3 g·L -1 respectively.
    结果表明 ,该化合物对油菜和水稻幼芽及胚根有强烈的生长抑制作用 ,抑制油菜幼芽及胚根生长的IC95值分别为 4 97× 10 -4 g·L-1和 5 34× 10 -4 g·L-1;
    Meanwhile, to rice the value of IC 95 on the bud and radicle were 4.97 ×10 -4 g·L -1 and 5.34×10 -4 g·L -1 respectively.
    对水稻幼芽及胚根生长的IC95值分别为 2× 10 -3g·L-1和 1 2 6× 10 -3 g·L-1;
    Plantule length is 0%~36% compared with control group, but radicle length is 0%~17% compared with contrast.
    NaHCO3 对小麦胚根的抑制高于对胚芽的抑制 ,胚芽生长为对照长度的0 %~ 36 % ,而胚根生长只为对照长度的 0 %~ 17%。
    But ethephon inhibited the growth of seedling radicals severely.
    但乙烯利处理对幼苗胚根生长有明显的抑制作用。
 

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