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   叶片老化 的翻译结果: 查询用时:0.899秒
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叶片老化
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  leaf senescence
     This experiment with hybrid rice(F_1) "Wei-You-64" and cultivar rice"LQZ-1" results that the a-naphthamine oxygenolysis, respiratory rate in root, leaf senescence rate have increased and peroxidase activity have lowered under no-tillage condition. It indicates the leaf senescence delayed.
     以威优64、陆青早1号为材料,免耕提高了根系的a—萘胺氧化量、呼吸强度、叶片老化指数,降低了功能叶的过氧化物酶含量,延缓了叶片的衰老;
短句来源
     The green-turf character such as density, green leaf covering, leaf senescence index, content of ascorbic acid was higher significantly than Penncross, and relative membrane permeability was lower in summer in Guangzhou area.
     在广州地区夏季果岭草坪密度、绿叶盖度、叶片老化指数、抗坏血酸含量显著高于原品种Penncross,叶片质膜相对透性低。
短句来源
  leaf aging
     During flag leaf aging process, and especially in its middle to late phase, AABBDDshowed relatively higher SOD activity and CAT activity, and Lower O2.producing rate andH2O2content than those in DD and AA, esspecially those in AA- The resu1ts indicated thatthere were remarkable difference at the "photo-carbon"balance state in leaf photosyntheticorganization and the scavenging active oxygen capacity among the wheat species.
     在叶片老化期间尤其中后期,AABBDD具有相对高的SOD,CAT活性,低的O产生速率和H2O2含量; 而DD,尤其AA的SOD,CAT活性较低,O产生速率和H2O2含量较高。
短句来源
     Duing leaf aging process, nitrogen treatment could also increase the RuBPcase activity, PS1 and PS2 activity, but the increase of RuBPcase activity was much higher than that of PS1 and PS2 activity. Which relatively increased the rations of RaBPcase activity to PS1 activity and PS2 activity, and improved the balance state between the light reaction and dark reaction of photosynthetic organ. The suplus photosynthetic reductivity produced by light reaction was little.
     氮素处理使旗叶老化过程中光合机构的RuBPcase活性和PS1、PS2活性均得以增加,但氮素对RuBPcase活性下降的延缓效果更为明显,相对增加了叶片老化过程中RuBPcase活性与PS1和PS2活性的比值,使光合机构光反应与暗反应之间的平衡状况得到改善,过剩还原力减少。
短句来源
     Identified by inhibitors (IA, PMSF, EDTA), activator (DTT) and different substrates, there existed more than three subclasses of endopeptidases during leaf aging process, namely thiol proteinases, serine proteinases, and metallo proteinases, and among of them, thiol proteinases was the most active one.
     结果表明 ,水分胁迫引起叶片老化过程中存在 3种以上的内肽酶 (巯基蛋白酶、丝氨酸蛋白酶和金属蛋白酶 ) ,而在蛋白质降解中起主要作用的是巯基蛋白酶。
短句来源
     The parameters of energy exchange influence photosynthesis especially in late phase during leaf aging for the tested materials.
     各供试材料光合能量转换参数对光合作用的影响主要表现在叶片老化后期。
短句来源
  leaves aging
     Relationship between Endopeptidases and H_2O_2 during Wheat Leaves Aging and Characteristics of Endopeptidases Extracted from Chloroplast Stroma of Wheat Seedlings
     小麦叶片老化期间内肽酶与H_2O_2的关系以及小麦幼苗叶绿体间质内肽酶
短句来源
  “叶片老化”译为未确定词的双语例句
     Relationship Between Endopeptidase and H_2O_2 During the Aging of Wheat Leaf
     小麦叶片老化期间的内肽酶与H_2O_2的关系(英文)
短句来源
     Factors Affecting the Rise of Endopeptidases Activity in Wheat Leaves During Aging
     小麦叶片老化期间内肽酶活力上升的影响因素
短句来源
     The relationship between hydrogen peroxide (H 2O 2) and endopeptidase(EP) in wheat ( Triticum aestivum L. cv. Yanmai 158) leaves was studied during natural and artificial aging.
     研究了H2 O2 和蛋白水解酶在小麦 (TriticumaestivumL .cv.Yanmai15 8)叶片老化过程中的关系。 小麦叶片老化期间 ,H2 O2 含量高的叶片中内肽酶活力也高。
短句来源
     The main aim of the present work was to lay foundations for furtherunderstanding the effect of hydrogen peroxide(H202) on Rubisco degradation withthe study of relationship between endopeptidases and H202 during wheatleaves aging and characteristics of endopeptidases extracted from chloropLaststroma of wheat seedlings.
     本研究的主要目的在于通过对小麦叶片老化期间内肽酶与H_2O_2的关系以及小麦幼苗叶绿体间质内肽酶的研究,为进一步研究“H_2O_2在小麦叶片Rubisco降解中的作用”奠定基础。
短句来源
     In addition, H2O2 played a role in enhancing the rise of endopeptidases activity.
     在许多植物离体叶片暗诱导和连体叶片老化试验中,发现蛋白质的下降与内肽酶活力上升有关〔2,4〕。
短句来源
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  leaf senescence
The magnitude of the low-temperature TDC peak increased until leaves completely expanded and declined with leaf senescence.
      
In the course of leaf senescence, the thermograms exhibited an additional shoulder, which further changed into a peak at 55-65°C with increasing magnitude.
      
Leaf senescence was assessed from a decrease in the chlorophyll content.
      
The suitability of reflectance spectroscopy for estimates of carotenoid/chlorophyll ratios during leaf senescence and fruit ripening is demonstrated.
      
4-PU-30 capacity to retard leaf senescence also supports this supposition.
      
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  leaf aging
blossfeldiana, the PEPC form developed with leaf aging under long days and the enzyme form synthetized de novo in young leaves grown under short days were shown to have similar properties.
      
Suboptimal nitrogen nutrition, leaf aging, and prior exposure to water stress all increased stomatal closure in excised cotton (Gossypium hirsutum L.) leaves supplied abscisic acid (ABA) through the transpiration stream.
      
The effects of water stress and N stress were partially reversed by simultaneous application of kinetin (N6-furfurylaminopurine) with the ABA, but the effect of leaf aging was not.
      
At a low balancing pressure (1 MPa), release of 14C into the exudate was increased by N stress, prior water stress, and leaf aging.
      
Light-use efficiency, given by the quantum yield of photosynthesis at low light intensities, was unaffected by leaf aging but decreased slightly through the winter and spring growing season.
      
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Superoxide dismutase(SOD),lipid peroxidation,ribulose 1,5-bisphosphate carboxylase and chlorophyll content in the leaves of rice were investigated during bloom- ing to ripening stages.The results indicated that leaf senescence was associated with the decreases of SOD and RuBP carboxylase activities and chlorophyll content.A marked increase of malondialdehyde(MDA)content,a product of lipid peroxidation was observed during leaf senescence.However,the relative high activities of SOD and RuBP carboxylase and chlorophyll...

Superoxide dismutase(SOD),lipid peroxidation,ribulose 1,5-bisphosphate carboxylase and chlorophyll content in the leaves of rice were investigated during bloom- ing to ripening stages.The results indicated that leaf senescence was associated with the decreases of SOD and RuBP carboxylase activities and chlorophyll content.A marked increase of malondialdehyde(MDA)content,a product of lipid peroxidation was observed during leaf senescence.However,the relative high activities of SOD and RuBP carboxylase and chlorophyll content,lower MDA content in hybrid rice senes- cence leaves,compared with their three lines,suggest the presence of physiological hy- brid vigor.The analysis of polyacrylamide gel electrophoresis showed that three SOD isozymes in leaf extract,which were Cu-Zn SOD.Changes of SOD isozymes were observ- ed during leaf agling and at different time of storage of its extract.The destroying effect of oxygen free radical on enzymes and membrane in the course of leaf senescence was discussed.

研究了从抽穗开花到籽粒成熟过程中,水稻植株顶部三片叶子的超氧物歧化酶(SOD),脂质过氧化产物丙二醛(MDA)含量及二磷酸核酮糖羧化酶活性的变化。实验结果表明:叶片的衰老伴随着 SOD 活性、RuBP 羧化酶活性及叶绿素含量的降低、丙二醛含量显著增高。分离了三个 SOD 的同工酶,证明为 Cu—Zn SOD。观察了 SOD 同工酶在叶片老化及酶液存放不同时间中的变化。讨论了叶片衰老过程中氧自由基对酶及质膜的损伤影响。

Some studies on the isozymes of peroxidase,polyphenol oxidase,esterase and theactivities of peroxidase,polyphenol oxidase in six parts(including one bud and fiveleaves)of growing tea shoot in autumn season were conducted.The results are asfollows:15 bands of peroxidase,6 bands of polyphenol oxidase,and 9 bands of esterasewere detected.There were three kinds of peroxidase isozymograms,two kinds ofpolyphenol oxidase isozymograms and the esterase isozymogram showed no differenceamong the bud and leaves.The band...

Some studies on the isozymes of peroxidase,polyphenol oxidase,esterase and theactivities of peroxidase,polyphenol oxidase in six parts(including one bud and fiveleaves)of growing tea shoot in autumn season were conducted.The results are asfollows:15 bands of peroxidase,6 bands of polyphenol oxidase,and 9 bands of esterasewere detected.There were three kinds of peroxidase isozymograms,two kinds ofpolyphenol oxidase isozymograms and the esterase isozymogram showed no differenceamong the bud and leaves.The band PX_2 of peroxidase was found as the marker bandin the first leaf to the fourth leaf.The sum activity of peroxidase and it's band PX_(13)increased as the organ changedfrom bud to the fifth leaf and the activity of band PX_(15)showed two highest peaks inthe second leaf and the fifth leaf.The activities of polyphenol oxidase in bud and thethird leaf were lower than those in other leaves.The bands in the polyphenol oxidaseisozymogram showing difference in activity among the bud and leaves were PL_1,PL_3and PL_8.In the isozymogram of esterase the activities of bands ES_(13)ES_(14)significantlydecreased as the organsochanged from bud to the fifth leaf,showing opposite to thatof peroxidase.These results indicated that the peroxidase isozymograms,polyphenol oxidasewere correlative with the development of tea shoot.And some active bands such asPX_2,PX_(13),PX_(15),PL_1,PL_3,PL_8,ES_(13),ES_(14)of the three kinds of the enzymesindecated there were differences in organs in metabolize and ageing of the leavse of teashoot.

秋梢从芽到第五叶,表现出3种酶谱共有15条过氧化物酶同工酶带表达。酶带PX2为1至4叶的特异性酶带,PX13带的活性及总活性,随新梢的老化而递增。PX15带的活性在2和4叶中出现两个最高峰值。芽的过氧化物酶活性,与各叶片比较,均达极显著水平。多酚氧化酶在芽叶中表达出6条酶带、两种酶谱。多酚氧化酶活性以芽和第三叶最低,而芽又比各叶片显著地低。在各部位间活性变化较大的酶带有 PL1、PL3、PL6等。秋梢中的酯酶同工酶谱共有9条酶带,各部位的酶谱均相同。但是酶带 ES13、ES14的活性表现出随叶片老化而递减的趋势。这些结果表明:过氧化物酶、多酚氧化酶的同工酶谱,与茶树新梢的发育有联系,其中的一些酶带,如 PX2、PX13、PX15、PL1、PL3、PL6以及酯酶中的 ES13、ES14等,与茶树新梢的发育存在着密切的相关性,且能反映出新梢各部位间的代谢差异及老化程度。

This experiment with hybrid rice(F_1) "Wei-You-64" and cultivar rice"LQZ-1" results that the a-naphthamine oxygenolysis, respiratory rate in root, leaf senescence rate have increased and peroxidase activity have lowered under no-tillage condition. It indicates the leaf senescence delayed. According to the principal component analysis(PCA), the physiological character of leaf senescence can take any one of photosynthetic rate, respiratory rate, green leaf area, chlorophyll content, soluble protein content, root...

This experiment with hybrid rice(F_1) "Wei-You-64" and cultivar rice"LQZ-1" results that the a-naphthamine oxygenolysis, respiratory rate in root, leaf senescence rate have increased and peroxidase activity have lowered under no-tillage condition. It indicates the leaf senescence delayed. According to the principal component analysis(PCA), the physiological character of leaf senescence can take any one of photosynthetic rate, respiratory rate, green leaf area, chlorophyll content, soluble protein content, root activity. The plant physiological basis of no-tillage rice surely supports the hybrid rice(F_1) for no-tillage.

以威优64、陆青早1号为材料,免耕提高了根系的a—萘胺氧化量、呼吸强度、叶片老化指数,降低了功能叶的过氧化物酶含量,延缓了叶片的衰老;主分量分析表明,功能叶光台速率、呼吸速率、绿叶面积、叶绿素含量、可溶性蛋白质含量、叶片含氮量、根系活力等,都可任选其一作为叶片衰老指标。

 
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