根株 的英文怎麼說
中文拼音 [gēnzhū]
根株
英文
stump根株材 stumpwood-
The results showed that 5406 actinomyces can improve the wheat seedling ' s height, root system and stalk leaf weight, can increase content of chlorophyll and root system activity in sterilized sand culture
結果表明，經5406放線菌處理后小麥幼苗株高、根長、根體積、根系及莖和葉片干重、葉綠素含量及根系活力均有不同程度的提高。3. shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house. lower shading level could increase the root development including root number, fresh weight and dry weight
不同遮陰度對花葉玉簪品種不定芽組培苗煉苗的營養生長有較大的影響，低遮陰度能顯著增加植株的根數、根鮮重和根干重。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。It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity
本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays
本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體，研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響；然後在得到高頻再生體系的基礎上，通過農桿菌介導法轉化甜菜堿醛脫氫酶（ badh ）基因，以gus染色組織分析為依據探討了影響轉化效率的各種因素，建立了高效、可重復的基因轉化體系，為四倍體刺槐目的基因的導入打下了基礎。Unlilie other cells that also use the salvage pathway for purine biosynhesis, prolfferating b and t cells are solely dependent on the de novo pathway for the generation of wsine. by blocking impdh, b and t cells cannot synthesise the necessary levels of ana and dna to molm a proliferathe response to ags and ndogens
根據對balb c和c57bl 6小鼠互為供、受者進行移植的結果表明，在排斥發生時間上不同的鼠株移植組合存在差異b 0刀勻， balb兒小鼠的同種應答強度較c57bl 6小鼠為弱。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。Explants were then transferred onto the selection medium containing 500mg / l carbenicillin and loomg / l kanamycin and incubated at 25, 16 / 8h light / dark cycle. small leaves of adventitious shoots differentiated from explants were cut and dipped into gus staining solution. positive shoots, gus tinted, were induced to root
分化出的不定芽切下半張葉片進行gus染色，呈陽性的植株從外植體上切下，在生根培養基（ ms 0刀sing lnaa 50mg幾kan ）中誘導根的形成。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。The study results of this paper can serve the two scientific subjects of our teaching and research group as basic data calculation and elementary exploration. the two subjects are : constructing high activity - amylase genes by dna shuffling technology and studying on the evolution in vitro by mutational pcr ( with 5 - br - dutp as substitute partly ) and dna shuffling technology. - amylase ( ec 3. 2. 1. 1 ; 1, 4 - a - d - glucanohydrolase ) can catalyzes the hydrolysis of - 1, 4 - glycosidic bonds of starch from middle and liberates - maltose, - glucose and - limit dextrin stepwise
本試驗根據genbank已公布的黃單胞菌-澱粉酶基因的核苷酸序列由引物設計軟體premierprimer5 . 0輔助設計了一對引物（ primer & primer ） ，以pbluescript ks +和puc18 / puc19質粒為載體，用常規的pcr方法從xanthomonascampestrispv . malvacearum （ smith ） dye等七株黃單胞菌（ xanthomomasspp . ）的基因組dna中克隆得到8個基因片段，分別命名為zhyf001 zhyf008 。There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
實驗研究的兩種菊科（ compositae ）植物（準噶爾沙蒿（ artemisiasongaricaschrenk ）和沙漠絹蒿（ seriphidiumsantolinum （ schrenk ） poljak . ） ） ，形態解剖方面的變化表現為：隨日齡增加，根長/株高比值日益增大；根系逐漸發達；體積與葉面積比逐漸增大；表皮細胞體積變小；角質層增厚；根外部出現加厚的木栓層；氣孔下陷；葉、莖部的表皮毛密布，柵欄組織日益發達；而細胞間隙日漸變小；海綿組織逐漸消失；葉面結構常為典型旱生結構? ?等葉面；晶細胞及纖維細胞數目增多；輸導組織、機械組織日漸發達；具有維管束鞘等等。The rooted fascicles usually fail to produce a bud which can grow into a new tree.
生根的針葉束往往不能產生芽而進一步長成一株樹。In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。Genet features and ramet population features in the rhizomatous grass species psammochloa villosa
根莖禾草沙鞭的克隆基株及分株種群特徵Genet characters of hedysarum laeve and the characters of its ramet population in different habitats in mu us sandland
毛烏素沙地根莖灌木羊柴的基株特徵和不同生境中的分株種群特徵So the clonal architecture of the two species was defined as guerilla pseudoaxis style. 3. clonal hierarchical selection models of l. virgaurea and l. sagitta included four hierarchies : clonal fragment, root of ramet, ramet and genet
黃帚橐吾和箭葉橐吾的克隆等級選擇模型包括克隆片斷（無效根狀莖） ，分株根系和完整分株及基株四個等級。Bud is produced in both rhizome and tiller - node, rhizome can produce more buds than tiller - node on hordeum brevisubulatum, arundinella hirta, calamagrostis epigeios, c. rigidula and hierochloe glabra populations. both 1st age rhizome and tiller - node of 1st age tiller are mainly two contributors in importing of bud bank
根莖和分蘗節是芽的主要產生部位，牛鞭草、野古草、拂子茅、硬拂子茅和光稃茅香種群根莖的營養繁殖力比分蘗節強， 1齡根莖和1齡分蘗株分蘗節是芽庫輸入的主要貢獻者。The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species
松嫩平原，羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥等6種根莖型禾草種群的分蘗節最多可以存活2 5個年度，可以進行營養繁殖2 4個世代，分蘗株的齡級數與分蘗節營養繁殖的世代數相同，在種群分蘗株的數量和生物量上，生長季的各個時期均以幼齡分蘗株占較大比例，呈現為明顯的增長型年齡結構，各種類的年齡譜組成各異。Root elongation in hydroponic solutions showed that the transgenic plant have increased al tolerance. the transgenic plants have higher relative root elongation under 20umol / l al stress than untransformed control
根相對生長量實驗證明轉基因植株具有一定的鋁耐受性，在20 mol l的al ~ （ 3 + ）濃度下比對照具有更高的根相對生長量。They plucked the long grass and nettles from the tombs, thinned the poor shrubs and roots.
他們拔除了墳墓上的茂草和蕁麻，砍斷矮樹和根株。分享友人