culture system 在 林业 分类中 的翻译结果

  本文关键词：杉木转基因受体系统的建立及遗传转化研究，由笔耕文化传播整理发布。

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culture system

    Basic Characteristics on Taxodiaceae Culture System and Approach on Its Sustainable Development

    杉科植物栽培制度的基本特征及其可持续发展初探

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    An Approach to the Culture System for Chinese Fir

    杉木栽培制度的初步研究

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    After 1949 the C. lanceolataculture system taking its pure forest culture system as the main part has formed. the mixed culture system ofC.

    1949年后形成了以纯林栽培制为主的杉木栽培制度，杉木混交栽培制初步产生，传统的杉农套种制也有所发展。

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    This paper analysed the different measures of high-efficiency intensive culture of industrial timber forest of exotic pines and relationship among forestation cost,growth effect of forest stand and economic benefits,in order to propose high-efficiency culture system.

    对国外松工业用材林高效集约培育不同营林措施及其不同方式投入成本与林分生长效应和经济效益的关系作出分析与评价 ,以提出投资分配合理的林分高效栽培制度。

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    This paper expounds the basic characteristics of Cunninghamia lanceolata culture system,namely,the whole and layer properties,purpose property and correlation as well as adaptability and dynamic property,it deals with 3 correlation problems which should be well solved in the sustainable development,namely,the dialectical relations between human,earth and tree,relation between inheriting and reform of C. lanceolata culture system as well as relations between economic benefit,ecology and social benefit.

    阐述了杉木栽培制度的基本特征 ,即整体性与层次性、目的性与相关性、适应性与动态性 ,论述了可持续发展中应妥善解决的 3个关系问题 ,即人、地、树的辩证关系 ,杉木栽培制度继承和改革的关系 ,经济效益与生态、社会效益的关系

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    of Acer negundoA tissue culture system for Acer negundo by the route of inducing calli were primarily established through screening out the best media and hormone combinations for different explants (stem segment, leaf, cotyledon, petiole).

    以茎段、叶片、子叶、叶柄为外植体,通过比较不同激素种类和浓度对不同外植体愈伤组织的诱导和分化率的影响,筛选出适合不同外植体的最佳培养基和激素组合,从而通过愈伤组织再生途径初步建立起复叶槭的组织培养再生体系。

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    In the base of optimal tissue culture system of Populus simoniiX P.nigra. : . to leaf-regeneration was MH+BA0.1mg/L;

    在建立了小黑杨花粉植株再生优化组培体系：分化培养基为MH+BA0.1 mg／L+NAA0.05mg／L，生根培养基为MH+IBA0.4mg／L的基础上进行遗传转化。

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    Establishing a High-Efficient Tissue Culture System and Exploring Gene Transformation in Cunninghamia Lanceolata Hook.

    杉木转基因受体系统的建立及遗传转化研究

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    High-Efficient Tissue Culture System Establishing and Gene Transformation in Platanus Occidentalis L.

    北美—球悬铃木转基因受体系统的建立及遗传转化研究

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    Establishment of Embryogenic Callus Suspension Culture System in Liriodendron Hybrids

    杂交鹅掌楸胚性细胞悬浮系的建立

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  culture system

This study established a culture system of artificial Shiro formation and also provided a premise for formulation of culture substratum for fruit body formation of T.

In this culture system, the hormone did not affect the rate of oocytes that reached the final stages of meiosis but inhibited their transition from telophase I to metaphase II.

In vitro fertilization of bovine oocytes in protein-free culture system

We studied the possibility of fertilization of bovine oocyte-cumulus complexes, matured in vitro in a protein-free medium, in a protein-free culture system without preliminary capacitation of spermatozoa.

Thus, the efficient tissue culture system and transformation of haploid poplar plants were achieved.

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The concept of the culture system for Chinese fir, based on the results of research in farming system and culture history of Chinese fir, was presented in this paper for the first time. Besides, the function, the evolution history, the classification and designing of the culture system have also been studied. And in the end,the development tendency of culture system of Chinese fir is pointed out.

在农业耕作制度和杉木栽培史研究的基础上,本文首次提出杉木栽培制度概念,并就杉木栽培制度的作用与实质,栽培制度的演进历史,栽培制度的类型划分和设计等进行了探讨,最后指出杉木栽培制度的发展方向。

ith the area of Chinese fir plantation increasing constantly, the soil fertility degradation of the site of Chinese fir plantation is increasingly serious. Controlled burning is one of the major causes which cause the soil fertility degradation of the site of Chinese fir plantation. On the basis of the achievements of previous related studies, we, in this paper, fully expound the effects of controlled burning on the slashes, soil and water loss, soil fertility and Chinese fir growth at home and abroad, summarize...

ith the area of Chinese fir plantation increasing constantly, the soil fertility degradation of the site of Chinese fir plantation is increasingly serious. Controlled burning is one of the major causes which cause the soil fertility degradation of the site of Chinese fir plantation. On the basis of the achievements of previous related studies, we, in this paper, fully expound the effects of controlled burning on the slashes, soil and water loss, soil fertility and Chinese fir growth at home and abroad, summarize the advantages and disadvantages of controlled burning,and raise some corresponding countermeasures. This is of great significance for changing the traditional culture system of Chinese fir and for the sustainable use of the resources of the mountainous area in South China.

随着杉木人工林面积的不断扩大，杉木人工林地力衰退问题日益严重，而炼山是导致杉木人工林地力衰退的主要原因之一。本文在国家“七五”攻关子课题《炼山对杉木幼林生态系统影响机理及计量评价研究》连续１０ａ定位研究成果的基础上，对国内外有关炼山对采伐剩余物、水土流失、土壤肥力、杉木生长影响等问题进行全面阐述，同时对炼山利弊问题进行归纳与总结，并提出相应对策，这对变革传统杉木经营制度、可持续利用南方山地资源具有重大指导意义。

This paper studied the history and features of the formation and development of Cunninghamialanceolata culture system. The pure forest culture system of C. lanceolata began in Tang Dynasty and the C.lanceolata-agricultural interplanting system was applied and popularized in southern mountain areas at thesame time. This interplanting system preliminarily formed in Song Dynasty. was most current in Mind Dynasty and Qing Dynasty and hereafter to before 1949 shifted to the decline period....

This paper studied the history and features of the formation and development of Cunninghamialanceolata culture system. The pure forest culture system of C. lanceolata began in Tang Dynasty and the C.lanceolata-agricultural interplanting system was applied and popularized in southern mountain areas at thesame time. This interplanting system preliminarily formed in Song Dynasty. was most current in Mind Dynasty and Qing Dynasty and hereafter to before 1949 shifted to the decline period. After 1949 the C. lanceolataculture system taking its pure forest culture system as the main part has formed. the mixed culture system ofC. lanceolata has initially prepuced and the traditional C. lance,,luta-agricultural interplanting system hassomewhat developed. too.

本文对杉木栽培制度形成和发展的历史与特点进行研究。杉木纯林栽培制始创于唐代，并在南方山区推广应用杉农套种制，在宋代初步形成，明清时期最为盛行，此后至1949年前转入衰退期。1949年后形成了以纯林栽培制为主的杉木栽培制度，杉木混交栽培制初步产生，传统的杉农套种制也有所发展。

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  本文关键词：杉木转基因受体系统的建立及遗传转化研究，由笔耕文化传播整理发布。