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改良品種的英文

  • improved breed
  • improved variety
  • modified race
  • upgrade

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  • 例句與用法
  • Many linux flavors cater to the embedded realtime market
    許多l(xiāng)inux改良品種迎合了嵌入式實時市場。
  • The breeding of animals or growing of plants , especially to produce improved stock
    養(yǎng)殖對動物的飼養(yǎng)或植物的種植,尤指為了產(chǎn)生改良品種
  • 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(chǎn)量增加以及其它農(nóng)場經(jīng)營的進步(例如使用改良品種和肥料)帶來產(chǎn)量增加的程度的認識不足。
  • 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(jié)果表明:在穩(wěn)定存欄量的基礎(chǔ)上通過組織創(chuàng)新和技術(shù)創(chuàng)新改良品種、提高出欄率、改善品質(zhì)、控制質(zhì)量將是我國豬肉產(chǎn)業(yè)發(fā)展的重點。
  • 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(jié)果表明:供試改良小麥品種與黑麥的雜交親和性顯著低于對照中國春;結(jié)實率大于50 %的品種3個,占供試品種的3 . 8 % ,結(jié)實率介于30 % - 50 %之間的品種4個,占5 . 1 % ,結(jié)實率介于10 % - 30 %之間的品種8個( 10 . 1 % ) ,結(jié)實率小于5 %的品種50個,占63 . 3 % ,另外,結(jié)實率介于5 % - 10 %之間的品種14個,占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(jié)實率大于50 % 、介于30 % - 50 %的品種數(shù)均呈下降趨勢,而結(jié)實率5 %的品種數(shù)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(nóng)15等是親和性和綜合性狀都較好的改良小麥品種(系) 。
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