cross-pollination 中文意思是什麼
cross-pollination
解釋
【植物;植物學】異花授[受]粉。- cross : n 1 十字架;〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教(教義,國家)。3 不幸,苦難;挫折,...
- pollination : n. 【植物;植物學】傳粉,授粉(作用)。 artificial pollination 人工授粉。
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Epa considers any potential for gene transfer to weedy or wild relatives by cross - pollination as well as the geographic proximity of the cultivation area to related cultivars or weedy relatives that can cross - pollinate
二十一世紀有很多地方仍將取決于這個世紀,我們和其他人在世界貿易體系的重要議題上,所作出的重要決定: -
Although blueberries are self - fertile, cross - pollination increases fruit production for many cultivars, resulting in earlier ripening and larger fruit
雖然大部份的高叢種都可自花傳粉,異花傳粉的果實會較大且較早熟。 -
It was suggested that emasculation should be conducted on blooming day or ld before blooming day and pollination should be done l ~ 2d after blooming while making cross
地錦和五葉地錦雜交時,以在開花前1d或開花當日去雄,開花后1 2d授粉為宜。 -
It helps to promote cross - pollination and is often combined with self - incompatibility
這種現象在許多特化的蟲媒花中較常見,尤其是通過蜜蜂傳粉的花。 -
Sweetpotato pollens killed by u. v. didn ' t sprout ; 2. normal pollens sprouted ; 3. pollens of 5x mixed with recognition pollens attached and sprouted much ; 4. in the negative - cross, sweetpotato pollens attached and sprouted much on the stigma of 5x ; 5. in the possitive - cross without recognition pollen, 5x pollens few attached and sprouted ; 6. in the treatment of pgr ( twice ), globular - embryo observed on 15 days after pollination ; 7. ovule obtained by intercross germinated on the medium ; 8. plantlet from intercross ovule grew on the medium ; 9. seeds obtained by opening pollination ; 10. tubers of hybrids from 5x crossed by sweetpotatos for two generations
紫外線殺死的甘薯花粉在親和柱頭上不萌發; 2 .未經紫外線處理的甘薯花粉在柱頭上正常萌發; 3 .在蒙導花粉作用下,五倍體的花粉在甘薯柱頭上大量附著和萌發; 4 .反交組合甘薯花粉在五倍體柱頭上大量附著和萌發; 5 .正交組合無蒙導花粉時五倍體花粉少量附著和萌發; 6 .生長調節劑二次處理后,授粉后15天所見的球形胚; 7 .雜交胚珠在培養基上萌發; 8 .雜交胚珠培養成苗; 9 .放任授粉收獲的大量種子; 10 .五倍體與甘薯雜交兩代產生的後代群體的結薯性。 -
Closely related squashes and gourds can also fertilize pumpkins. this cross - pollination will show itself not in the current year ' s pumpkins, but in seeds grown the following year
近科的南瓜和葫蘆類也能通過南瓜授粉來結出南瓜。這種交叉授粉的的近科植物當年並不會結南瓜,次年如播其種子便會長出南瓜來。 -
Genetic markers enable plant breeders to begin their selection at the cell stage by looking for the gene responsible and checking at an early stage of cross - breeding, whether the desired gene has been inherited by the offspring plant, instead of having to go through the process of cross - pollination and then growing the offspring to see if they have inherited the desired characteristics, and if not, starting all over again.
遺傳標記物的存在能夠使植物育種家在細胞階段就開始進行選種,所用的方法包括尋找相應的基因以及在雜交早期進行檢查看看想要的基因是否遺傳到子代植物,這樣就不需要經過復雜的傳統育種過程:雜交授粉種植子代觀察子代是否獲得想要的性狀如果子代沒有攜帶想要的性狀,再從頭開始 -
A new breed. a cross - pollination between tulips and daisies
這是新品種,由鬱金香和雛菊雜交而成。 -
This diversity of influence, combined with the australian lifestyle, beautiful climate, and flexible education system, creates a culture of innovation. in science that is evidenced by six nobel prize - winning australian graduates, and in art by a distinctive cross - pollination between disciplines
這個活動的起源是在1987年有一個澳洲人( iankiernan )在駕駛帆船環繞地球時,看到海上的垃圾,於是在1989年,發起清掃雪梨港活動-有四萬人參加。
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