野生種 的英文怎麼說
中文拼音 [yěshēngzhǒng]
野生種
英文
wild species-
Rapd ( random amplified polymorphic dna ) technique was used to study the genetic structure and genetic differentiation of the natural population and the hatchery stock of chlamys farreri. amplifications with 20 10 - base primers under predetermined optimal reaction yielded 153 reproducible amplified fragments ranging from 200 to 3000bp. the mean proportions of polymorphic amplified fragments of natural population and the hatchery stock were 73. 2 % and 70. 6 % respectively, and the mean hetreozygosities of them were 0. 27 and 0. 26 respectively
在對20個野生櫛孔扇貝和20個養殖櫛孔扇貝的基因組dna的檢測中, 20個隨機引物共擴增出153條清晰可分辨的dna片段,片段大小在200 3000bp之間,其中野生種群和養殖群體多態性片段分別為112和108條,多態位點比例分別為73 . 2 %和70 . 6 % ,雜合度分別為0 . 27和0 . 26 。Among them many is a wild species, from the high mountain to the even dam, from mound to the clough, there is all the report trace and shadow of the spring flower in everywhere
我國共有報春花230種,雲南就有158種。其中多為野生種,從高山到平壩,從丘陵到深谷,處處都有報春花的蹤影。The results show, that there are altogether 91 species ( wild or cultivated ), belonging to 30 families of flower - edible plants in wenzhou. bean, mallow ( malvaceae ), rose ( rosaceae ), chrysanthemum ( composite ), and lily are among the most common families
調查表明,在溫州市花卉可食用的植物(包括野生種和不以食用為目的栽培的種)有91種,隸屬於30科,如豆科、錦葵科、薔薇科、菊科、百合科等。Mesophyll protoplast fusion of solanum tuberosum and solanum chacoense and their somatic hybrid analysis
馬鈴薯栽培種與野生種葉肉細胞融合及體細胞雜種鑒定Us scientists found steelhead trout reared in hatcheries were much less good at reproducing than wild fish
美國科學家發現在孵卵所的虹鱒其繁殖能力遠不如野生種野生魚類The harvest of wild species in the oceans and fresh waters of the earth appears to be approaching its maximum sustainable limit.
對地球上海洋和淡水中野生種的捕撈看來已達到其可維持的極限。Embryo rescue of interspecific hybrids between wild diploid dendranthema species and dendranthema morifolium
菊花二倍體野生種與栽培種間雜種的幼胚拯救Results showed that the pollen grain of p. mira, which is used as material by sem for the first time, was nearly elliptic in shape and the extine pattern was simply striped with no pores
結果表明,光核桃花粉粒的形態呈橢圓球形,其外壁紋飾呈簡單的直紋平行型,無穿孔,是最原始的桃亞屬植物野生種,未發現與栽培種有直接的關系。The karyotypes often of them were analysed. the rapd fingerprints and systematics of thirty wild species including the fourteen wild species mentioned and two cultivars in the family were studied. these were intended to provide theoretical reference at the cytological and molecular lever for species identification, systematics study and breeding work of these plants
本文對海南境內的14個野生種菊科植物進行了染色體計數,並對其中的10個種進行了核型分析,同時對包括上述14個種在內的30個野生種菊科植物和2個栽培種菊科植物進行了rapd指紋圖譜與系統學研究,旨在為這些植物的物種鑒定、系統學研究和育種工作提供細胞學水平、分子水平的理論依據。Both have been on the verge of extinction due to poaching and habitat fragmentation. in order to enlarge the population size and recover the wild populations, ex situ conservation strategy has been advocated by the governing agents in china through natural or artificial breeding in captivity
為了拯救此二物種,我國政府主管部門相繼制定了人工易地保護的物種保護策略,以期通過人工圈養條件下的自然繁殖和人工繁殖,達到增加種群的數量,促進野生種群恢復之目的。The vegetative status and the flowering and fruiting developmental rhythm of changnienia amoena were investigated in tiantangzhai population of anhui province during the flowering and fruiting period
摘要對安徽省天堂寨自然保護區獨花蘭野生種群的花果期節律和營養體狀態研究表明,開花植株占觀察樣本的37 . 5 % ,個體是否開花與假鱗莖數目、地下莖總體積和葉面積呈極顯著相關關系。Currently hawksbill turtle is listed as critically endangered on iucn red list and appendix i of cites. international trading of hawksbill turtle is prohibited and the wild population is facing a very high risk of extinction
目前玳瑁屬世界自然保護聯盟瀕危物種紅色名錄中的極度瀕危物種類別,以及被列入華盛頓公約附錄一中,即禁止一切國際貿易活動,而其野生種群正面臨極其嚴峻的絕種危機。The results showed that v. amurensis, v. yeshanensis and v. riparia were the most resistant to the hardiness ; v. adstricta, v. piazezkii and v. quinquangularis were middle resistant ; v. romanetii, v. davidii and v. daridii var. cyanocarpa were less resistant ; v. qiolingensis, v. bashanica and v. vinifera were susceptible to cold stress
結果表明,我國葡萄屬野生種(東亞種群)山葡萄、燕山葡萄以及美洲種群中的河岸葡萄為高抗類型; ? ?葡萄、復葉葡萄、毛葡萄為中抗類型;秋葡萄、刺葡萄、瘤枝葡萄為低抗類型;秦嶺葡萄、麥黃葡萄和歐洲葡萄為不抗類型。The investigations of wild panax species were carried out in yunnan province and a total of 138 germplasm samples were collected in 5 panax species of p. stipuleanatus, p. japonicus, p. bipinnatfidus var. angustifilius, p. bipinatifidus and p. japonicus var. major
摘要對雲南省境內分佈的三七野生近緣種種質資源進行考察,共採集到包括屏邊三七、竹節參、狹葉竹節參、疙瘩七和珠子參在內的野生種質資源138份。Genetics diversity analysis of sweet potato and related wild species with rapd markers
標記對甘薯及其近緣野生種的遺傳多樣性分析In this way, crop plants became increasingly distinct from their progenitors and eventually rarely crossed with their wild versions
透過這種方式,作物植物和它們祖先的歧異越來越大,到最後幾乎不再與野生種雜交。The trade is large enough to threaten wild populations, causing declines in number and in size of seahorses
由於貿易量相當大,足以威脅野生種群,導致海馬數目及體積日漸下降。The hetreozygosity and proportion of polymorphic loci of hatchery stock were lower than that of the natural population, which could be related to the small size of the cultured stock and the higher possibility of inbreeding
養殖群體的多態位點比例和雜合度都低於野生種群,這與人工累代養殖過程中,群體較小,近交機會增加有關。It can be difficult for the general public to know what impacts eating different marine species will have on wild populations, and we will respond to the demand for a seafood guide to aid the general public in avoiding species that are in decline due to overexploitation
由於普羅大眾一般難以理解進食不同海產對野生種群的影響,因此本會將編制海鮮食品指引,協助指導市民避免進食受過度捕撈影響種群數目正在下降的品種。The higher values of heterozygosity and proportions of polymorphic loci of the natural population indicated that the natural resource of c. farreri in china was in good condition with higher genetic diversity. it is urgent to establish the effective measures to protect the resource
櫛孔扇貝野生種群的多態位點比例和雜合度處于較高水平,說明我國櫛孔扇貝野生種群的遺傳多樣性水平較高,種質資源尚處于較好狀態,應制定相應的漁業生產和管理措施加以保護。分享友人