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root vigor
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  根系活力
     Treated with 4 concentrations of Na_2 S_2 O_3 solution,the effects of Na_2 S_2 O_3 on the leaf photosynthesis and respiration,the activities of enzymes,the root vigor and the leaf dry weight of the tobacco plant were studied.
     以4种不同浓度的 Na_2S_2O_3溶液喷施烟草,研究其对叶片光合和呼吸效应、酶活性、根系活力以及叶片干重的影响。
短句来源
     The physiological indexes of root vigor,leaf photosynthesis decreased by 31.1%-43.6%,45.5%-80.4%.
     在冻害情况下,茶树生理指标根系活力、光合作用分别下降了31 1%~43 6%、45 5%~80 4%;
短句来源
     The relationship between Election Conductivity value and the contents of Soluble Sugar, Soluble Protein, Free Praline, MDA and Root Vigor in tobacco seedling under different Iron nutrition levels (0.00?0.56?1.12?1.68?3.36?4.48mg/L) using liquid culture was evaluated.
     采用水培试验方法,研究了不同铁营养水平下(0.00、0.56、1.12、1.68、3.36、4.48mg/L),烟草幼苗生长及其外渗电导率、可溶性糖含量、可溶性蛋白含量、游离脯氨酸含量、丙二醛含量和根系活力的关系。
短句来源
     Exogenous GA_3 and SA could effectively raise the photosynthesis rate, transpiration rate and the stomatal conductance, increased utilization of CO_2 and increase strawberries chlorophyll content, and enhance the root vigor of strawberry.
     喷施外源GA_3和SA后,能有效提高光合速率、蒸腾速率和气孔导度,胞间CO_2浓度,提高对CO_2的利用率,而且减缓草莓叶绿素含量的降低幅度,并显著提高草莓的根系活力
短句来源
     Under hail condition, the physiological indexes of root vigor,leaf photosynthesis,bud weight decreased 19.7%-29.1%,30.3%-51.5%,10.4%-33.5%,the harm ratio of new shoots accounted for 52.7%-80.2%.
     而冰雹的影响则使茶树生理指标根系活力、光合作用、灾后产出的百芽重分别下降了19 7%~29 1%、30 3%~51 5%、10 4%~33 5%;
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  根活力
     At concentration of 1.0mmol·L -1 , both benzoic and cinnamic acid decreased 50%~90% of root vigor, 30%~50% of seedling growth and resulted in a lower POD activity compared to CK, while the occurrence rate or the index of fusarium wilt increased by 30%~50% or 30%~40%, respectively.
     随着处理浓度升高 ,其促进作用消失 ,转为抑制作用 ,1.0mmol·L-1浓度处理可使西瓜幼苗根活力、生长量分别下降5 0 %~ 90 %和 30 %~ 5 0 % ,POD活性降至或低于对照水平 ,且枯萎病发病率、病情指数分别提高 30 %~ 5 0 %和 30 %~ 4 0 %。
短句来源
     The root vigor and growth of P.pashia buch-Ham was the maximum when the ratio of NO~-_3-N and NH_4~+-N was7∶3. The root vigor was the minimum and the root indicated the poison symptom when NH_4~+-N was an unique nitrogen source.
     NO-3 -N与NH+4 -N比值为7∶3时,根活力和根系生长最好; 以NH+4 -N为唯一氮源时,根活力最低,且表现为NH+4 -N毒害症状。
短句来源
     Watermelon seedlings of both resistant cultivar, Kahong, and sensitive inbred, Jingfu, were used as the test plants to observe effects of both benzoic and cinnamic acid on their biotraits and disease resistance. The results showed that there were close relations between their bioeffects and concentrations. Low concentrations of the acids(0.125mmol·L -1 )significantly increased the seedling root POD activity, enhanced their resistance, but had no effects on seedling root vigor and growth.
     用自毒物质肉桂酸、苯甲酸处理西瓜幼苗 ,表明 2种物质的作用与其浓度密切相关 :低浓度苯甲酸、肉桂酸 (0 .12 5mmol·L-1)可显著提高幼苗根系POD活性 ,降低枯萎病发病程度 ,而对幼苗生长、根活力无显著影响 ;
短句来源
     Root vigor of the seedlings was affected not only by the degree of soil moisture,but also adapt the drought in short time and the root vigor had a high level.
     苗木的根系活力不仅与土壤含水量有关,而且能在短时间内适应干旱,从而维持较高的根活力水平.
短句来源
  根系活性
     The Evolution of Physiological Characteristics of Maize Root during Varieties Replacing in China, 1950 s to 1990 s Ⅰ. Changes of Root Vigor & ATPase Activity
     我国玉米品种更替过程中根系生理特性的演进 Ⅰ.根系活性与ATPase活性的变化
短句来源
     The effects of different sulfate supply level on N and S metabolism and on root vigor of corn were quantitatively studied with Hoagland solution under greenhouse conditions.
     通过Hoagland营养液水培玉米 ,定量研究了供S水平对玉米根系活性和植株S、N代谢特性的影响 .
短句来源
  “root vigor”译为未确定词的双语例句
     2、 When the combination of Oligosaccharides(12 g a.i./hm2) and Com-cat(0.0612 g a.i./hm2) is 10 days after applying them, it can improve GSH contents, root vigor, and SOD activity, especially, the chlorophyll contents is the most remarkable, and was increased 9.5% than uncuried treatment;
     i/hm~2与康凯0.0612g a. i/hm~2混用,施用后10天叶绿素水平显著提高,比施用乙草胺的对照提高了9.5%;
短句来源
     The results indicated that 50mg/L DTA-6 and 40mg/L CCC accelerated the seedling growth and increased root vigor. But, 10mg/L 6-BA inhibited root growth, as well as dehydrogenase activity.
     其中50mg/L DTA-6和40mg/L CCC促进幼苗的生长,提高了根系脱氢酶活性,而10mg/L 6-BA却抑制了根系的生长,并且根系还原力也降低。
短句来源
     the root vigor areas of Zhumei crabapple,Strawberry and cherry stock were increased by 6.9%,11.54% and 7.5%,compared with their controls;
     根的活跃面积分别提高 6 .9%、 11.5 4%和 7.5 % ;
短句来源
     Ecological effects of Arbuscular mycorrhizal fungi (AMF),Glomus mosseae(G.m),Glo-mus versifome(G.v),Sclerocystis sinousa(S.s)on the growth of maize were investigated on non-fertilizer field in 1996-1998. The results showed that the root vigor of maize plant treated by AMF was 2.32-3.05 times as much as the control.
     1996~1998年试验研究了大田不施肥条件下3种泡囊丛枝菌根真菌Arbuscular mycor-rhizal fungi(AMF),即Glomus mosseae(G.m)、Glomus versifome(G.v)、Sclerocystis sinousa(S.s)对玉米生长的生态效应。
短句来源
     The results are as follows:After alfalfa seeds were subjected to priming with H2O (hydropriming), 20% PEG6000, 2% KNO3 and 2% KNO3-KH2PO4 solutions respectively, germination percentage, energy of germination, germination index, root length and shoot dry weight, root vigor and activity of several enzymes were measured under the high-level saline conditions.
     在液体引发试验中,研究了H_2O、20%PEG_(6000)、2%KNO_3和2%KNO_3-KH_2PO_4引发对紫花苜蓿种子在0.8%NaCl逆境下发芽及幼苗素质的影响,测定了发芽率、发芽势、发芽指数、根长和干重、淀粉酶、过氧化氢酶(CAT)、过氧化物酶(POD)、根系脱氢酶活性等指标。
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  root vigor
This study shows evidence that root vigor in the presence of Fusarium disease pressure should be evaluated to effectively develop common bean lines resistant to Fusarium root rot across a range of environments.
      
The extent of rooting and root vigor on the cuttings varied greatly among ortets and treatments.
      
Tissue cultures on properly solidified Gelrite media generally showed superior shoot proliferation and rooting, as well as shoot and root vigor and callus development to those on TC agar.
      
The plant height and fresh weight of Jinyan 4 treated with its own root exudate were lower than those of the control, and the root vigor decreased but the conductance increased.
      


Treatment with magnetic yield(500GS,1000GS,1250GS)at water obtained magnetic water. Application of magnetic water to Pakchoi caused a marled increase in the germinability of the seed and in the growth of the seedling. Pakchoi yield was obserred to have increased 9-17% by 1000Gs. Treatment with magnetic water to wheat caused increase in the growth of seedling. Application of magnetic water caused a marked increase in respiratory rate of the pakchoi. The NR'S viability of pakchoi caused significant increase....

Treatment with magnetic yield(500GS,1000GS,1250GS)at water obtained magnetic water. Application of magnetic water to Pakchoi caused a marled increase in the germinability of the seed and in the growth of the seedling. Pakchoi yield was obserred to have increased 9-17% by 1000Gs. Treatment with magnetic water to wheat caused increase in the growth of seedling. Application of magnetic water caused a marked increase in respiratory rate of the pakchoi. The NR'S viability of pakchoi caused significant increase. Application of magnetic water caused a marked increase in the root vigor of the wheat and in the bound water of seedling. The electrical conductivity of the extracting solution of wheat and pakchoi decreased. It was found that at 1000Gs, 1260Gs in the treatment of the wheat seedling, the obviously a zone of peroxidase isoenzymes was inereased in the treatment of pakchoi seedling at 500Gs and 1000Gs.

不同磁场强度(500GS、1000GS、1250GS)的磁化水(magnetic water),对小白菜种子萌发、幼苗生长有促进作用。1000GS磁化水灌溉小白菜,产量提高9-17%。磁化水处理,能提高小麦根的活力和束缚水(bound water)含量;提高小白菜的呼吸速度。硝酸还原酶的活性,但浸出液的电导率均降低。 1000GS、1250GS的磁化水处理小麦,过氧化物酶同功酶增加一个酶带。500GS、1000GS磁化水处理小白菜,过氧化物酶同功酶亦增加一个酶带。

Growth inhibition and relative membrane permeability of leaf tissue caused by either high temperature or drought were less than those by both of them in Lolium perenne. Significant decrease of root vigor and serious hydration of leaves occured after both drought and high temperature treatment. The leaves, even whole plant,wilted to die because of excess hydration. It is reasonable to suggest that the death of perennial ryegrass may be mainly caused by drought injuries during the high temperature and drought...

Growth inhibition and relative membrane permeability of leaf tissue caused by either high temperature or drought were less than those by both of them in Lolium perenne. Significant decrease of root vigor and serious hydration of leaves occured after both drought and high temperature treatment. The leaves, even whole plant,wilted to die because of excess hydration. It is reasonable to suggest that the death of perennial ryegrass may be mainly caused by drought injuries during the high temperature and drought periods of the summer.It was observed that the high temperature hardening of perennial rye grass was in a short period and its dehardening could be accomplished by exposing plants to 20/15℃ (day/night) for 3 days. In addition, there was highly positive correlation with r=0.857 between free proline content for ground parts of plants and the lethal temperature(LT_(50))of leaf tissue.

高温促使多年生黑麦草生长停滞,膜相对透性提高,但对根系活力影响较小,亦未引起叶片脱水干枯。聚乙二醇(PEG)根际干旱则引起叶片脱水。干旱伴有高温时伤害加剧,处理4天根系活力比对照(CK)降低58.3%,叶片因大量失水而干枯,且解除胁迫后仍不能恢复,部分植株死亡。因此,干旱伤害可能是多年生黑麦草夏季伤害、植株死亡的主要威胁。 多年生黑麦草接受高温锻炼较快。处理4天,叶片致死温度(LT_(50))较处理前的55.36℃增加3.31℃。常温(20/15℃)下3天即可完成脱锻炼。 干旱或干旱高温下,植株地上部游离脯氨酸(Pro)含量与LT_(50)呈显著的正相关(r=0.8565,P<0.05)。

This experiment has been studied for two years from 1986 to 1987.The re-sult showed that spraying BR 0.01 or 0.05ppm solution on the plant can notonly raise the root vigor of tobacco,but also make the root maintain highervlgor for rather a long time.ATP content and total free amino acid contentand 32p absorption of the root with BR 0.05ppm treatment are 138.5×10~(-9) lu-minosity/g fresh weight,612.1mg/100g dry weight,2637.5CPM/100mg dryweight respectively,but those of the non-treated root...

This experiment has been studied for two years from 1986 to 1987.The re-sult showed that spraying BR 0.01 or 0.05ppm solution on the plant can notonly raise the root vigor of tobacco,but also make the root maintain highervlgor for rather a long time.ATP content and total free amino acid contentand 32p absorption of the root with BR 0.05ppm treatment are 138.5×10~(-9) lu-minosity/g fresh weight,612.1mg/100g dry weight,2637.5CPM/100mg dryweight respectively,but those of the non-treated root are 50.4×10~(-9)luminosi-ty/g fresh weight,467.50mg/100g dry weight,1260.3CPM/100mg dry weightrespectively.In addition,IAA content of the root treated with BR 0.01ppmis five times as much as that of the root without BR treatment,but ABA con- tent of the root treated with BR is much lower than that of non treatedroots.In the experiment,we also observed that by treating leaves with BR0.01or 0.05ppm solution,the content of chemical elements,such as nicotine,freeamino acid,reducing sugar,polyphenol and total fat of tobacco leaves can ra-ise significantly.

根据二年的试验结果表明,用表油菜素内酯(24—Epibrassinolide 简称BR)0.01或0.05ppm 叶面喷施烟株,可以提高根系活力,并使其在相当长时期内维持较高的活力。用BR0.05ppm 处理的烟株根系内ATP 含量、总游离氨基酸含量及~(32)P 吸收分别为138.5×10~(-9)发光强度·克鲜重、612.11mg/g干重、2637.5CPM/100mg 干重,而对照分别为50.4×10~(-9)发光强度·克鲜重、467.50mg/g 干重、1260.3CPM/100mg 干重。BR0.01ppm 处理的根系内IAA 含量高于对照5倍以上,但其ABA 含量低于对照。在试验中还观察到,用BR0.01或0.05ppm 处理的烟叶内尼古丁、游离氨基酸、多酚类、总酯、还原糖等化学成分含量显著高于对照。

 
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