株選 的英文怎麼說

中文拼音 [zhūxuǎn]
株選 英文
stump selection
  • 株 : Ⅰ名詞1. （露在地面上樹木的根和莖） root and stem of a tree above the ground 2. （植株） individual plant; plant Ⅱ量詞（棵）
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  1. High frequency of bud induction was found on ms medium supplemented with 6 - ba the optimum medium for adventitious bud induction was ms + l. 0mg / 1 naa + 0. 5mg / l 6 - ba, and ms + 1. 5mg / l naa + 0. 5mg / l iaa for bud rooting

    門）誘導毛狀根體細胞胚再生植株。通過正交實驗篩選出了毛狀根體細胞胚誘導的最佳培養基為： ms 05mg lnaa 0 sing kt 30gil蔗糖。
  2. Agronomic testing of the selections begins in line tests established from the seedling nurseries, usually single row 3-6 ft long.

    選系的農藝測定從在苗圃建立的品系測驗開始，一般單株得長36英尺。
  3. Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method

    利用從國外引進的新城疫熱穩定性天然弱毒b _ （ 95 ）株接種spf雞胚繁殖病毒，經處理后提取病毒的基因組rna ，參考國內外發表的ndv融合蛋白基因序列，設計一對特異性引物，經反轉錄聚合酶鏈式反應（ rt - pcr ）擴增出約1700bp大小的特異性片段，將此片段回收純化后，利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中，再轉化大腸桿菌jm109感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。
  4. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  5. Screening of hypo virulence of colletotrichum gloeosporioides and its control effect on apple anthracnose

    蘋果炭疽菌低毒性菌株的篩選及控病效果
  6. The strain 2009 and the pure culture were used as experimental materials to study the relationship between the pregermination methods of auricularia auricula and the emergence rate, the contamination rate and the yield by six methods

    摘要以黑木耳菌株2009作試驗菌株，選用木屑培養基作試臉材料，在同一黑木耳栽培菌培養室採用6種不同的催芽方法，研究了催芽處理方法與耳基分化率、污染率和產量之間的關系。
  7. Wild arabidopsis thaliana seeds were mutagenized with y - ray, and m2 populations were screened in the medium containing 200mmol / l nacl. 352 potential high - salt - tolerance mutants were selected from 80, 000 m2 seedlings, and 4 of this m2 mutants showed high - salt - tolerance in their m3 generation. this high - salt - tolerance mutants were backcrossed with the wild type arabidopsis thaliana

    在含200mmol lnacl的改良ms培養基上，通過對約80 ， 000株m _ 2代幼苗的篩選，共獲得352株根仍表現向地性生長或真葉不變為褐色的植株作為可能的突變體。
  8. In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail

    本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌，並對其抗菌活性物質細菌素進行分析，為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。
  9. These confirmed the successful transformation of the a78 - 3 and a78 - 4 on selection medium containing basta. microarray on membranes were fabricated from a set of 384 pinus taeda genes ( cdnas ) related to lignin synthesis, adaptation or primary metabolism for examination of gene expression in the sublines. the results showed : ( 1 ) the correlation coefficients between the transgenic sublines a78 - 3 and a78 - 4 and the untransformed control a95 : 88 : 22 were 0. 8028 - 0. 9028, while those of a78 - 5 are 0. 8897 - 0. 9302

    選擇384個與木質素生物合成及植物生理代謝和環境適應性有關的基因或cdna片段構建尼龍晶元膜，並對轉基因細胞亞系a78 - 3 、 a78 - 4和a78 - 5和對照亞系a95 ： 88 ： 22等培養再生植株進行基因表達的微陣列檢測，結果表明： （ 1 ）三個亞系與對照之間的pearson相關系數分別為0 . 8607 、 0 . 7975和0 . 9630 。
  10. Construction of bivalent vaccine candidate expressing hspa and ureb subunit from helicobacter pylori

    雙價侯選疫苗株的構建
  11. One cadmium resistance strain of fungi designated as f2 which could survive 2000mg / l of cadmium was isolated from blende soil with high content of cadmium. it showed high ability of cadmium accumulation. it belongs to phoma sp

    從高鎘含量的閃鋅礦土樣中經分離、篩選，得到一株可在2000mg l鎘濃度下存活並對鎘具有較強的富集能力的絲狀真菌，編號為f2 ，經形態學鑒定歸入莖點霉屬（ phoma ） 。
  12. The results also revealed that it was a reasonable choice to use carbenicillin as the antibiotics of inhibiting growth of remnant agrobacterium after co - culture, and when hygromycin was used as the selective agent, continuous selection at low concentrations ( 50 ~ 150mg / l ) produced the highest numbers of transgenic plants without escapes

    試驗表明，在農桿菌介導高羊茅遺傳轉化中，抑菌劑宜選用梭節青霉素;以潮黴素作為選擇劑時，採用低濃度（ 50一15om留l ）連續篩選的方式比較合適，在該方式下，獲得的轉基因植株較多。
  13. In this study, iltv - nm98a strain and iltv - wanggang strain were multiplied in chorioallantois. a pair of primers were devised according to the nucleic acid sequence of iltv tk gene and the dna of multiplied virus was used as pattern to amplify the gene of tk by polymerase chain reaction ( pcr ). the product of pcr was linked with suitable plasmid. then, the recombined plasmid was converted to escherichia coli. the converted escherichia coli

    根據已發表的iltvtk基因的核苷酸序列設計一對pcr引物，以增殖的兩株iltv的dna為模板，分別對它們的tk基因進行pcr擴增。將回收的pcr產物連接到適當的質粒載體上，轉化感受態大腸桿菌，通過篩選對iltvtk基因的陽性克隆進行擴增培養。
  14. Through a series of mutagen tests, a mutant strain of monascus spp ( m 12 - 69 ) from ml2 was acquired, which can produce much higher monacolin k than m12, and almost same citrinin level as m12

    以之為出發菌株，通過誘變篩選，獲得一株monacolink產率有明顯提高而桔黴素產率僅為0 . 13ng g （ elisa ）的突變株，編號為m12 - 69 。
  15. Two strains of lab, one coccus and one bacillus which are the normal residents in intestinal tract and which could be the host bacteria, were respectively isolated from lab sanitarian products

    從乳酸菌保健晶中分離篩選到兩株可以作為受體菌株的乳酸菌，一株球菌和一株桿菌。
  16. We have sampled the c. kawakamii and p. konishii and build the scaffold recently for the study of flower phenology and pollinator et al.

    之樣株選定，近期搭設鷹架，以利開花物候及授粉媒介等研究目的。
  17. As soon as growers learned to bud or graft, they chose as scion sources the trees that were superior for their area.

    種植者一旦知道了枝接或芽接，他們就把當地的優良植株選來作接穗材料。
  18. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系，提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定相結合的策略，同時應用分期播種的方法為作物提供不同的生長和發育的環境條件，以鑒定玉米雄穗的育性變化和對不同環境條件溫光的反應.研究結果表明，春播環境下可鑒定和選擇玉米的不育性，夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性，結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性，為記錄性群體選擇.通過從春播入選的雜合不育性優良株系群體轉移到其對應的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇，能逐漸使不育性和溫光敏感性相結合而選育出純合溫光敏不育系.這種新的選擇程序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法，使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系
  19. The application of path coefficient analysis in irradiation selection of single plant of rice

    通徑分析在水稻輻射育種單株選擇中的應用
  20. Yield, quality, blast resistance and cold endurance were evaluated from f2 generation, and at the same time, yield, adaptability, quality, blast resistance and cold endurance were studied

    選育過程中從集團單株選拔開始，每年都對高產性、品質、稻瘟病抗性、耐寒性進行同步鑒定，作為選拔的科學依據。
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