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根区温度
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  root zone temperature
     The results showed that:(1) Root zone temperature stress can stimulate POD and SOD activity,but with the extent of stress,the activity of SOD turned to restrained,and then,decreased sharply,the MDA content of root was enhanced markedly also.
     结果表明:(1)改变根区温度对小麦根系抗氧化酶活性有明显的影响,根区温度过高或过低对小麦根系POD和SOD活性都具有激活效应,但随胁迫时间的延长,胁迫对SOD活性转为抑制效应,SOD活性迅速下降,MDA含量明显增加.
短句来源
     Effect of root zone temperature stress on antioxidant enzymes activity and root and seedling growth of wheat
     根区温度胁迫对小麦抗氧化酶活性及根苗生长的影响
短句来源
     Effects of Root Zone Temperature on Contents of Mineral Elements and Absorbent Functions of Cucumber Seedlings Root
     根区温度对黄瓜幼苗矿质元素含量及根系吸收功能的影响
短句来源
     Experiments of different root zone temperature (optimal temperature CK is 21-23 ,sub-optimal temperature is 14-16℃, low temperature is 8-10℃) treatments were carried out at seedling stage of cucumber (cucumis sativus L.) in solar greenhouse. Comparison ofsub-optimal treatment and low temperature treatment with optimal temperature treatment indicated that ① contents of N, P, K, Mg in root increased, while contents of Ca, Fe, Mn, Cu,Zn in root decreased;
     通过对日光温室黄瓜幼苗不同根区温度的处理 [适温 (CK) 2 1~ 2 3℃、亚适温 14 - 16℃、低温 8- 10℃ ],结果表明 ,与适温处理 (CK)相比 ,亚适温和低温处理的黄瓜幼苗 ,①根系中N、P、K、Mg的含量增加 ,而Ca、Fe、Mn、Cu、Zn的含量降低 ;
短句来源
     Experiments of different root zone temperature(natural root temperature as ck,15℃,20℃,25℃,respectively) were treated in blossom and fruit-set period in sunlight greenhouse.
     通过对日光温室开花坐果期番茄根区不同温度处理(自然地温,15℃,20℃,25℃),研究了低温季节根区温度对番茄生长的影响。
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  “根区温度”译为未确定词的双语例句
     ROOT ZONE TEMPERATURES AFFECT THE CONTENTS OF MINERAL ELEMENTS AND THE ABSORBENTFUNCTIONS OF CUCUMBER SEEDLINGS ROOTS
     不同根区温度对黄瓜幼苗矿质元素含量及根系吸收功能的影响
短句来源
     One hundred percent of salable pot flowers could be produced when minimal daily air and root-zone temperatures at 11.2℃ and 13.5℃,or 12.5℃ and 12℃,respectively.
     日最低气温11.2℃、根区温度13.5℃及日最低气温12.5℃、根区温度12℃仍可保证100%的商品率。
短句来源
     Cultivar with higher resistance to coldness stress should be chosen in solar greenhouse production in low temperature season.
     7.冬季改善夜间根区温度效果比春季更好,能更大幅度地减小根区低温对黄瓜生长和生理生化代谢的负面影响,这一结论为日光温室生产中夜间低气温、高地温的管理提供了依据。
短句来源
     Whereas A. filiculoides showed similar photosynthetic activity in the range of root-zone temperatures 7—25℃ (Fig.2).
     而蕨状满江红在7—25℃的根区温度范围内光合活性差异不大,高于25℃则下降(图2)。
短句来源
     Temperature in the roots was also an important factor affecting spruce growth. The techniques for accelerating seedling growth could shorten the period of seedlings cultivation.
     根区温度也是影响云杉生长的一个非常重要的因素,采用强化育苗技术可大大缩短育苗周期,使苗木提早出圃。
短句来源
  相似匹配句对
     T is temperature, ℃.
     T为温度,℃。
短句来源
     Effects of Root Zone Temperature on Growth and Yield of Tomato
     根区温度对番茄生长和产量的影响
短句来源
     temperature 20 ℃;
     温度常温;
短句来源
     Effects of Root Zone Temperature on Growth and Physiological Metabolism of Cucumber
     根区温度对黄瓜生长和生理代谢的影响
短句来源
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  root zone temperature
By reducing soil heat flux during the growing season the forest canopy negatively affects root zone temperature.
      
Root zone temperature, though largely unknown, is likely to be most critical.
      
Relationships between root zone temperature, concentrations and uptake rates of NH4+and NO3- were studied in non-mycorrhizal roots of 4-year-old Norway spruce under controlled environmental conditions.
      
Arbuscular mycorrhiza colonization and development at suboptimal root zone temperature
      
This study, involving two indoor experiments, evaluated the effects of root zone temperature (10, 15 and 23°C) on the formation and development of arbuscular mycorrhizae (AM).
      
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Photosynthetic activities of Azolla imbricata, A. caroliniana and A. filiculoides were studied under different root-zone temperatures. A. imbricata and A. caroliniana present maxium photosynthetic activity at 30℃. Photosynthetic activity were decreased dramatically when temperatures (with 7—40℃) were lower or higher than 30℃.Whereas A. filiculoides showed similar photosynthetic activity in the range of root-zone temperatures 7—25℃ (Fig.2). The photosynthetic and acetylene reduction activities of the three Azolla...

Photosynthetic activities of Azolla imbricata, A. caroliniana and A. filiculoides were studied under different root-zone temperatures. A. imbricata and A. caroliniana present maxium photosynthetic activity at 30℃. Photosynthetic activity were decreased dramatically when temperatures (with 7—40℃) were lower or higher than 30℃.Whereas A. filiculoides showed similar photosynthetic activity in the range of root-zone temperatures 7—25℃ (Fig.2). The photosynthetic and acetylene reduction activities of the three Azolla species were influenced in different pattern by the pretreatment of 24 hours dark 0℃ or 2 hours dark 40℃ (Fig. 3,4).The methods here reported were suggested using to measure the ecological-physiology parameters of Azolla germplasms.

本文报道满江红(Azolla imbricata)、卡洲满江红(A.caroliniana)和蕨状满江红(A.filiculoides)的光合与固氮(乙炔还原)活性对温度的反应差异。根区培养液温度在7—40℃范围内满江红与卡洲满江红的光合活性在30℃达到峰值,高于或低于30℃均急剧下降。而蕨状满江红在7—25℃的根区温度范围内光合活性差异不大,高于25℃则下降(图2)。0℃24小时或40℃2小时暗预处理对三种满江红光合活性与乙炔还原活性表现出不同影响(图3,4)。本文报道的方法可用于满江红生理生态参量的比较研究。

Experiments of root zone temperature treatments were carried out at seedling stage of cucumber(cucumis sativus L.) in solar greenhouse.Comparison of suboptimal treatment and low temperature treatment with optimal temperature treatment indicated that contents of K,Mg in root increased,while contents of N,P,Ca,Fe,Mn,Cu,Zn in root decreased;contents of N,K,Ca,Mg,Fe in stem increased,while contents of P,Mn,Cu,Zn in stem decreased;contents of K in leaf increased,while contents of N,P,Ca,Mg,Fe,Mn,Cu,Zn in leaf...

Experiments of root zone temperature treatments were carried out at seedling stage of cucumber(cucumis sativus L.) in solar greenhouse.Comparison of suboptimal treatment and low temperature treatment with optimal temperature treatment indicated that contents of K,Mg in root increased,while contents of N,P,Ca,Fe,Mn,Cu,Zn in root decreased;contents of N,K,Ca,Mg,Fe in stem increased,while contents of P,Mn,Cu,Zn in stem decreased;contents of K in leaf increased,while contents of N,P,Ca,Mg,Fe,Mn,Cu,Zn in leaf decreased.Cultivars Jinchun No.3 showed larger root resistance to low temperature stress in maintaining relative stabilization of some contents of mineral elements than that of cultivars Jinchun No.2;Volume and absorbent area of root decreased,while succinic dehydrogenase activity of root increased.Lowering root zone temperature increased contents of some elements in seedlings,but contents of elements(do not include K) in leaf decreased.Growth and development of shoot of cucumber seedlings ultimately were hindered by these decreased elements that maybe were limiting factors.

试验通过对日光温室黄瓜幼苗不同根区温度的处理,结果表明,与适温处理(ck)相比,亚适温和低温处理的黄瓜幼苗根系中K,Mg的含量增加,而N,P,Ca,Fe,Mn,Cu,Zn的含量降低;茎中N,K,Ca,Mg,Fe的含量增加,而P,Mn,Cu,Zn的含量降低;叶片中K的含量增加,而N,P,Ca,Mg,Fe,Mn,Cu,Zn的含量降低。津春3号较津春2号在维持某些矿质元素含量相对稳定上表现出一些较强的根系耐低温胁迫的能力;根系体积、吸收面积降低,而根系琥珀脱氢酶活性增加。降低根区温度虽然增加了黄瓜幼苗一些元素的含量,但同时也使叶片中除K以外的其他元素含量都降低。降低含量的元素作为限制性因子最终会阻碍地上部的生长发育。

Experiments of different root zone temperature treatments(optimal temperature CK is 21-23℃; sub-optimal temperature is 14-16℃; low temperature is 8-10℃)were carried out at seedling stage of cucumber(cucumis sativus L.) in solar greenhouse. Comparison of sub-optimal and low temperature treatments with optimal temperature treatment(CK) indicated that (1) plant height, stem thickness, leaf area, dry weight of shoot, and total dry weight of cucumber seedlings were decreased, while dry weight of root and root:shoot...

Experiments of different root zone temperature treatments(optimal temperature CK is 21-23℃; sub-optimal temperature is 14-16℃; low temperature is 8-10℃)were carried out at seedling stage of cucumber(cucumis sativus L.) in solar greenhouse. Comparison of sub-optimal and low temperature treatments with optimal temperature treatment(CK) indicated that (1) plant height, stem thickness, leaf area, dry weight of shoot, and total dry weight of cucumber seedlings were decreased, while dry weight of root and root:shoot ratio of cucumber seedlings were increased; (2) photosynthetic pigment content, photosynthetic rate (Pn), stomatal conductance (Gs), and intercellular CO 2 concentration (Ci) of cucumber seedling leaf were decreased,but the value of chla/b increased. Cultivar Jinchun No.3(J3) showed more root resistance to low temperature stress than that of cultivar Jinchun No.2(J2).

通过对日光温室黄瓜幼苗不同根区温度的处理 [适温 (CK) 2 1- 2 3℃、亚适温 14 - 16℃、低温 8- 10℃ ],结果表明 ,与适温处理 (CK)相比 ,亚适温和低温处理 ,(1)降低了黄瓜幼苗的株高、茎粗、叶面积、地上部干重、全株干重 ,而增加了地下部干重和根冠比 ;(2 )降低了黄瓜幼苗叶片光合色素含量、光合速率 (Pn)、气孔导度 (Gs)、胞间CO2 浓度(Ci) ,增加了叶绿素a b值。品种津春 3号 (J3)比津春 2号 (J2 )表现出一些较强的根系耐低温胁迫的能力

 
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