改良品種 的英文怎麼說

中文拼音 [gǎiliángpǐnzhǒng]
改良品種 英文
improved breed
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 良 : Ⅰ名詞1. （善良的人） good people 2. （姓氏） a surname Ⅱ形容詞（好） good; fine; nice Ⅲ副詞（很） very; very much; indeed
  • 品 : Ⅰ名詞1 （物品） article; product 2 （等級; 品級） grade; class; rank 3 （品質） character; qualit...
  • 種 : 種名詞（姓氏） a surname
  • 改良 : 1 （去掉事物的個別缺點 使它更適合要求） improve; ameliorate 2 （改進） reform; 改良牧場 improved ...
  • 品種 : 1. [生物學] breed; cultivated varieties; strain; variety 2. （產品種類） variety; assortment
  1. Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering

    對胚和胚乳發育相關基因的研究，可使人們在分子水平上解析種子發育和無融合生殖的分子機制，更有效地開展植物種子產量和品質改良的基因工程。
  2. Preliminary study on the genetic improvement of rice japonica restorer line by introgression of international rice breeding germplasm

    利用國際水稻品種資源改良粳稻恢復系研究初探
  3. Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration

    第二條本法所稱農業技術，是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術，包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術，農副產品加工、保鮮、貯運技術，農業機械技術和農用航空技術，農田水利、土壤改良與水土保持技術，農村供水、農村能源利用和農業環境保護技術，農業氣象技術以及農業經營管理技術等。
  4. The company has a good ventilation cooling engineering team, the improvement of adverse operating environment, improve ventilation cooling effect, especially in the process of suction fan + wet curtain cooling ventilation works, years of industry experience, to offer our customers satisfied with the products and professional services

    公司擁有一支優秀的通風降溫工程技術團隊，在改良各種惡劣作業環境，提高通風降溫效果方面，特別是在承接負壓式風機降溫濕簾通風工程方面，有多年的行業經驗，可為客戶提供滿意的產品和專業的服務。
  5. This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  6. Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  7. Rice varietal improvement and rice production in china

    中國水稻品種改良以及對水稻生產的影響
  8. During the course of this varietal improvement, the techniques for shortening breeding cycle were adopted in developing new rice varieties

    在品種改良過程中，用縮短培育周期的技術培育新稻種。
  9. The leymus multicaulis has many excellent traits, such as immune or highly resistant to bydv, and highly tolerant to salt and aphid, which are controlled by some unknown genes

    這些特性都是目前種植的大多數農作物、牧草與草坪草栽培品種，本身缺乏急需改良的特性。因此，分離克隆控制這些優異抗逆特性的功能基因，非常必要。
  10. Genetic improvement of main traits was analyzed using 110 china - bred cottons with fusarium and verticillium wilts resistance released since 1950 ' s

    摘要對20世紀50年代以來中國自育的110個棉花抗枯、黃萎病品種的抗病性、產量性狀、早熟性狀的遺傳改良進行了分析。
  11. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  12. Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province, the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ), and there were 3 cultivars with a seedset of more than 50 %, 4 cultivars with the seed - set of 30 % - 50 %, 8 ones with that of 10 % - 30 %, 50 ones with the seed - set of less than 5 %, and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong, and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased, but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai, mazhamai and huixianhong ), laizhou 953, 8641012, yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye

    以79個改良小麥品種（系）與黑麥進行雜交，研究普通小麥品種與黑麥雜交親和性的差異及其親和性在品種更新、更換過程中的演變趨勢，結果表明：供試改良小麥品種與黑麥的雜交親和性顯著低於對照中國春；結實率大於50 %的品種3個，占供試品種的3 . 8 % ，結實率介於30 % - 50 %之間的品種4個，佔5 . 1 % ，結實率介於10 % - 30 %之間的品種8個（ 10 . 1 % ） ，結實率小於5 %的品種50個，佔63 . 3 % ，另外，結實率介於5 % - 10 %之間的品種14個，佔17 . 7 % ;普通小麥與黑麥的雜交親和性隨著品種的更新、更換呈下降趨勢，平均結實率大於50 % 、介於30 % - 50 %的品種數均呈下降趨勢，而結實率5 %的品種數呈上升趨勢；系譜分析表明，供試改良品種的親和性大都來源自蚰子麥、螞蚱麥、輝縣紅3個地方普通小麥品種；萊州953 、 8641012 、煙農15等是親和性和綜合性狀都較好的改良小麥品種（系） 。
  13. Vai. rubrwn. it should be possible to improve the valuable ornamental traits of l. chinense var. rubrum by selection and introspecific crosses

    通過選擇、種內雜交等手段改良紅橙木，培育觀賞價值更高的優良品種是可行的。
  14. Many linux flavors cater to the embedded realtime market

    許多linux改良品種迎合了嵌入式實時市場。
  15. The breeding of animals or growing of plants, especially to produce improved stock

    養殖對動物的飼養或植物的種植，尤指為了產生改良品種
  16. Calculations are made as to the benefits that can be expected to accrue from an area of land once the conservation measures have been installed

    然而，人們對土壤保持直接帶來的產量增加以及其它農場經營的進步（例如使用改良品種和肥料）帶來產量增加的程度的認識不足。
  17. The outcome indicates that improving the breed, prompting the rate of emergence, improving the quality, quality control through the innovation of organization and technique at the base of stabling livestock number will be the emphasis of the development of pork industry in our country

    結果表明：在穩定存欄量的基礎上通過組織創新和技術創新改良品種、提高出欄率、改善品質、控制質量將是我國豬肉產業發展的重點。
  18. There exists technology need difference among all types of farmers which embody on the farmers " selection of diseases resisting and anti - adversity. there is a big cognition and behavior gap between government, agriculture researchers and extensionists. on the basis of the above research findings, this thesis puts forward the following policy recommendations : reinforce invest into the drought research is the optimizing selection in agriculture research invest reinforce the technological research which is suit to the women labor deepen the agricultural technological extension reform, reinforcing invest into the agricultural technological extension found a down to up agricultural technology system deepen the maize research system reform

    浙江大學碩卜學位論文利用參與式農村評估方法研究農戶的玉米生產行為根據我們的研究結果，本文提出以下幾條政策建議，一是增加抗旱方面的研究投資已成為我國政府農業科研投資的最優先選擇，重視西南地區農民對高產群體改良品種（ opv ）的需求，增加對opv品種選育和推廣工作上的科研投資;二是加強適合婦女勞動力的技術研究;三是建議政府深化現行的技術推廣體制改革，增加農業技術推廣投資，加強農業技術推廣活動;四是建立一個由下到上的農業科技體制;五是深化玉米科技體制改革
  19. For most of the 8000 years that rice had been cultivated in china and other countries in asia, the needs of a slowly growing population could be met by a gradual expansion of the cultivated area, improved irrigation, improved strains, better soil tillage and better agronomic practices

    在中國以及亞洲其他國家八千年漫長的稻作歷史中，由於耕地面積逐步增加、灌溉條件逐漸改善、優良品種逐漸採用及土壤耕作和田間管理方法的逐漸改進等因素的緩慢發展基本滿足了緩慢的人口增長對糧食的需求。
  20. The principal approaches include the determination of breeding targets ; classification of parents ; establishment of basic population, recurrent selection population and improving population, screening and rational arrangement of fine varieties ; and combination of fine varieties with reasonable cultivation method

    主要包括制定育種目標，進行親本分類，構築基礎群體，組建輪選群體，建造改良群體，篩選優良品種，合理布局品種，以及良種良法配套。
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