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rubber tree     
相关语句
  橡胶树
     Evaluation of the Major Characteristics of IRRDB 1981 Rubber Tree Germplasm Planted in 1987
     橡胶树1981’IRRDB种质主要性状鉴定评价——1987年定植种质鉴定评价研究报告
短句来源
     Of the three tested clones of rubber tree (PR107, GT1 and RRIM600), the chitinase activities were all strengthened after the treatment of ethrel, but the level was different among the three clones, namely, PR107>GT1>RRIM600.
     3种不同排胶特性品系橡胶树在施用乙烯利刺激后胶乳中几丁质酶活性和胶乳产量较施用乙烯利刺激前均有所增加,其增加强度存在着品系差异,表现为:PR107>GT1>RRIM600。
短句来源
     The Influence of Wounding on Phospholipase A_2 in Latex of Brasiliensis(Rubber Tree)
     伤害对巴西橡胶树胶乳中磷脂酶A_2的影响
短句来源
     Study on Application of Molecular Markers in Rubber Tree among Genetic Breeding
     橡胶树遗传育种中的分子标记技术应用研究
短句来源
     This paper reviews the progress in research of molecular characteristics, function, catalyze mechanism, activation, regulation and the characteristics , and molecular biological properties of phosphosilidase A_2. The paper particularly summarizes the characteristics and function of phosphilidase A_2 in latex in rubber tree.
     综述植物体中磷脂酶A_2的分子特性、功能、催化机制及其活化与调控、分子生物学特性的研究进展,并特别概述了橡胶树胶乳中磷脂酶A_2的性质及功能。
短句来源
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  巴西橡胶树
     The Influence of Wounding on Phospholipase A_2 in Latex of Brasiliensis(Rubber Tree)
     伤害对巴西橡胶树胶乳中磷脂酶A_2的影响
短句来源
     The actin cytosckeleton in laticifer wounds and actin in exuded latex of mature rubber tree, Hevea brasiliensis, were studied by using TRITC-phalloidin labeled fluorescent optical microscopy and Western-blottings.
     以成年巴西橡胶树为材料,用异硫氰酸四甲基罗丹明标记的鬼笔环肽荧光标记显微光学技术和免疫印迹技术研究了橡胶树割口树皮中乳管伤口的微丝骨架和外排胶乳中肌动蛋白含量在排胶过程中的变化。
短句来源
     In the light of the new theory that chitinase pronotes the flow of latex, the chitinase activity was strdied in lutoids of laticifer in rubber tree.
     以巴西橡胶树为材料,用几丁质酶促进排胶的新理论为指导,对胶乳黄色体中的几丁质酶活性进行研究,发现乙烯(利)刺激对几丁质酶活性有重要影响。
短句来源
     Advances in molecular biology of rubber tree (Hevea brasiliensis)
     巴西橡胶树的分子生物学研究进展
短句来源
     Using the information about the sequence froma differentially expressed clone (designated as HbSSH10)encodes a protein specifying a cysteine-rich sequencecontaining a putative “RING finger” or “C3HC4” con-sensus motif that was cloned recently by the subtractivehybridization between latex and leaves from rubber tree(Hevea brasiliensis).
     在先前的研究中通过抑制缩减杂交获得了一个在巴西橡胶树胶乳中特异表达的片段(HbSSH10),该片段含有“RINGfinger”或“C3HC4”保守序列。
短句来源
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  橡胶
     Brazilian rubber tree (Hevea brasiliensis (Willd ex A. Juss)) is the most important rubber tree of artificial cultivation.
     巴西橡胶(Hevea brasiliensis(Willd exA.Juss))是人工栽培的最重要的橡胶植物。
短句来源
     At other crops such as Italian millet, potato, rice and rubber tree ( Hevea brasiliensis) appear as bimodal types middaynap, and its decrease of biotic potential was 29.5%, 30.2%, 29.6% and 51.0% respectively.
     谷子、马铃薯、水稻、橡胶有双峰型午睡,其午睡的生物产量损失依次为29.5%、30.2%、29.6%和51.0%.
短句来源
     The State and Outlook of Processing andUtilization of Rubber Tree Wood
     橡胶木加工利用现状和展望
短句来源
     The results showed that mean soil microbial biomass under the three models is in the order: rubber tree + Amomum villosum > pure rubber > rubber tree + Coffea arabiea, and their Cmic content is in the range of 380.8~586.3 mg/kg dry soil.
     结果表明,在这3种模式下,土壤微生物生物量平均值由高到低的顺序为:橡胶+砂仁林地>纯橡胶林>橡胶+咖啡林地。 其Cmic范围是380.8~568.3 mg/kg。
短句来源
     Comparison of UV-VIS spectra showed that E4/E6 ratios of humic acids from 0-5 cm and 5-20 cm depths in the secondary forest were higher than in the cropland and the rubber tree plantation soils, which indicated that the proportion of aromaticity in humic acids in the secondary forest was lower than the other two ecosystems.
     胡敏酸可见_红外光谱结果显示 ,次生林转变为农田和橡胶园后 ,0~ 2 0cm表层土壤E4/E6显著降低 ,这表明胡敏酸化学组成当中芳香族结构增加。
短句来源
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  橡胶林木
     Study on the Evaluation in Rubber Tree Asset
     橡胶林木的资产评估研究
短句来源
     And then,it discusses matters needing attention of evaluation process. It takes positive effect to scientific evaluation of rubber tree.
     同时,讨论了评估过程中应注意的问题,为橡胶林木资产的科学评估做了有益的探讨。
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  rubber tree
(the Indian rubber tree) in ammonium alginate at pH 10.
      
(the Brazilian or para rubber tree), and Ficus elastica Roxb.
      
(Brazilian rubber tree) contains 30-50% (w/w) of natural rubber (cis-1,4-polyisoprene), which is an important raw material for many industrial uses.
      
TPD (tapping panel dryness) is a complex physiological syndrome widely found in rubber tree (Hevea brasiliensis) plantations, which causes severe yield and crop losses in natural rubber-producing countries.
      
Commercially used natural rubber (cis-1,4-polyisoprene) is a secondary metabolite of the rubber tree (Hevea brasiliensis).
      
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The occasionally cold current from the north often hits some regions in Southern China.It causes a sudden fluctuation of temperature and brings chilling injury to those temperature sensitive tropical plants.The experimental results indicated that chilling temperature had a marked influence on plant metabolism of Hevea brasi- liensis.With the temperature dropping below the optimum,as its period prolonged, the normal metabolism in the rubber tree was changed.The catabolism of carbo- nhydrate,nitrogen and...

The occasionally cold current from the north often hits some regions in Southern China.It causes a sudden fluctuation of temperature and brings chilling injury to those temperature sensitive tropical plants.The experimental results indicated that chilling temperature had a marked influence on plant metabolism of Hevea brasi- liensis.With the temperature dropping below the optimum,as its period prolonged, the normal metabolism in the rubber tree was changed.The catabolism of carbo- nhydrate,nitrogen and phosphorus metabolism were all enhanced and their syntheses were inhioited particularly the toxic substances,e.g.ammonia,was accumulated in the plant.

华南某些地区冬季常受不定期寒流的侵袭,气温突然下降,一些对温度较敏感的热带植物常造成寒害。本试验结果指出:零上低温对橡胶树的物质代谢有显著的影响。随着温度的下降和持续时间的延长,椽胶树的正常代谢发生变化。碳水化合物、含氮化合物、磷化合物的分解代谢加强,合成受阻,特别是有毒物质如氨在植物体内积累。

As the Brazil rubber (Hevea brasiliensis) was introduced from the tropical to the subtropical region, it became very susceptible to chilling injuries at temperature above freezing point.The results reported in this paper indicated that: The bound-water content of leaf of rubber trees obtained by vegatative propagation and from seeds is very important to the plants at the time of low temperature stress. When bound water is present in large amount, it naturally increases cold resistance.The amount...

As the Brazil rubber (Hevea brasiliensis) was introduced from the tropical to the subtropical region, it became very susceptible to chilling injuries at temperature above freezing point.The results reported in this paper indicated that: The bound-water content of leaf of rubber trees obtained by vegatative propagation and from seeds is very important to the plants at the time of low temperature stress. When bound water is present in large amount, it naturally increases cold resistance.The amount of bound water was observed to fluctuate with changes in environmental temperature.In winter,when the temperature got down to about 3℃,there was an unstable fluctuation of the water. But as the temperature in the daytime becomes normal again, with a difference of about 17 ℃, an irreversible drop of bound water in the plant appeared,Thus the protoplasm lost water and symptoms of injury appeared.In cases of severe desiccation, the tissue or organ of the plant wilted and died.The process of chilling injury in fact runs arallel to the process of water loss by the plant.

橡胶树北移至亚热带地区,冬季易受零上低温寒害。本研究表明:无性系及实生树叶片束缚水含量高者抗寒性强、低者为较弱。束缚水随温度降升而发生变化,自然降温至3℃,先引起剧烈升降波动,随着气温回升、日温差达到17℃,束缚水又不可逆地下降,使原生质脱水,呈现伤害。重害时会导致局部器官组织的干枯死亡。寒害变化过程也是失水反应的过程。本文以束缚水与总水量比值率作为越冬性检验指标,它与植株年龄、无性系及实生树的抗寒性关系极为密切。

Based on more than twenty years' experiences in rubber planting in China, this paper deals with the relations between the factors concerning the natural environmental conditions in different rubber planting areas and the characteristics of phenotypes of rubber trees in their growth and yield. In addition, comparisons have been made between the advantages or disadvantages of the natural environments in some tropical rubber-producing countries and those of China. It has been considered...

Based on more than twenty years' experiences in rubber planting in China, this paper deals with the relations between the factors concerning the natural environmental conditions in different rubber planting areas and the characteristics of phenotypes of rubber trees in their growth and yield. In addition, comparisons have been made between the advantages or disadvantages of the natural environments in some tropical rubber-producing countries and those of China. It has been considered successful and of great importance that rubber trees can be cultivated on large scale in the monsoon climate districts of tropical and south subtropical zones at 17°N. According to the geographic and geomorphological factors and the ecological aspects of various tropical crops, the criteria have been established for dividing the areas of China's tropical zone and south subtropical zone. This paper also emphasized the importance of exploiting China's valuable tropical natural resources and making full use of them in line with local conditions. Hence a reasonable distribution of various kinds of tropical crops has been put forward on the basis of latitude and elevation together with local natural conditions. In addition, a program has also been made for speeding up the establishment of the production bases of rubber, coconut, agave and other tropical crops, so as to meet the needs of the four modernizations in China.

本文在总结我国植胶20多年有关经验的基础上,论述了各植胶区的自然条件因素与橡胶树生长、产胶等表现型特征之间的关系,并与一些热带植胶国家自然条件的利弊作了对比分析,肯定了我国在北纬17°以北的热带、亚热带季风气候区大面积植胶成功的重要意义,并根据地理、地貌因素,各种热带作物的生态表现,提出了我国热带、南亚热带划分的依据。强调了因地制宜,充分利用开发我国宝贵的热带自然资源的重要性。为此,进一步提出了按纬度、海拔高度以及当地自然特征相结合的各种热带作物的合理布局,以及加速建立橡胶、椰子、剑麻等热作生产基地的方案,以适应我国四个现代化建设的需要。

 
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