除草體系 的英文怎麼說
中文拼音 [chúcǎotǐxì]
除草體系
英文
weeding system-
The experiment was conducted in a 2. 4 ha isolated field mimic rice production practice with pollen competition. a japonica gm rice l201 containing bar gene with herbicide basta resistance was used as a pollen donor and six indica hybrid rice varieties and its male sterile ( ms ) lines and two common wild rice ( oryza rufipogon and o. nivara ) that share same aa genome with cultivated rice were used as recipients
本試驗選擇廣州作為華南水稻生態區的代表，以含bar基因（抗除草劑basta ）的轉基因粳稻l201為花粉供體，模擬大田生產實際，對轉基因向秈型兩系及三系雜交稻不育系、雜交稻品種及含aa基因組的普通野生稻的基因漂流及其影響因素進行了研究。In the experiment, the full code sequence of bar gene was cloned by pcr from transgenic herbicide resistant bobwhite wheat and checked. it was expressed in e. coli and its protein was determined. after having been properly modified, the bar gene which correctly codes pat was cloned into binary vector pbi121 and then transferred into lba4404 by triparantal crossing, which is the prerequisite work for genetic transformation
本實驗從抗除草劑轉基因bobwhite小麥中，利用pcr克隆的方法擴增出bar基因全長，並在原核表達系統中表達，鑒定表達蛋白的活性，將能夠正確編碼ppt乙酰轉移酶的bar基因片段，經過適當的修飾構建入真核表達載體。7. at the first time, the reporter dye, fam was linked to the 5 " - end of the oligonucleotides of the probes, and the tamra was located at the 3 " - end as quencher dye. we use camv35s and fmv promoter, nos terminater, mark gene nptii, and aim gene pat, epsps and cryla ( b ) genes as target sequences, design pairs of sp
7 、首次以fam熒光素標記探針5 』端作為發光基團，以tarma標記探針3 』端為淬滅基團，以camv35s 、 fmv啟動子、 nos終止子、標記基因nptll 、抗除草劑基因epsps 、 pat 、抗蟲基因cry1a ）為檢狽目標，設計、篩選出特異性引物和探針，優化實驗參數，建立了轉基因植物通用性熒光pcr定性檢測方法體系。We constructed a binary vector carrying a modified human afgf gene and a mana gene that allows the use of pmi selection system, an antibiotic and herbicide - free system, during the transformation procedure
我們構建的雙元表達載體帶有一個經過改構的人類酸性成纖維細胞生長因子基因（ afgf ） ，載體上的選擇標記基因為mana ，它使得轉化過程中可以使用pmi這種不含抗生素及除草劑的選擇系統。This paper reportsthe biological habits ， damage and occurrence regularity of common cutgrass. foreffectively controlling weed infestation in fields ， it is necessary to establish somerational farming and rotation systems and ameliorate chemical weed control system day byday
通過對李氏禾的生物學特性、發生規律及危害的闡述，提出只有通過建立科學合理的耕作和輪作制度及日趨完善的化學除草體系，才能有效地控制李氏禾的危害。Maize transformation is limited by the receipant materials. only a few inbreds, such as a188, b73 and their derived inbreds, can regenerate well, while those elite ones that are widely used are not easy to transform successfully
目前，玉米轉化僅限於少數培養性能好的自交系材料，如a188 、 b73及其衍生系，而對農藝性狀優良的自交系應用較少，本研究旨在建立一套穩定、高效的遺傳轉化體系，包括優良受體材料的選擇和培養基配方的改良，同時獲得抗除草劑的優良玉米育種材料。The facilities include a pitch area covering 9, 620 square metres, executive suites, restaurant, a giant diamond vision screen, a large scoreboard, public address system and gift shop, etc. beside sport - related activities, the stadium is also equipped for the hosting of entertainment, cultural, religious and community events, for example, rugby sevens, the lunar new year soccer tournaments, national day celebration show and walk for millions
大球場設備完善，擁有一個面積達9620平方米的草場，並設有廂房、餐廳、大型彩色螢幕、大型電子計分板、廣播系統和禮品店等。除了球類和同體育活動外，大球場亦會舉行各類文娛、宗教和社區活動，當中包括七人欖球賽、賀歲杯足球賽、國慶活動和百萬行。Heterocyclic quinoxalin and its derivatives are useful as highly active benzopyrazine compounds. this article introduced recent progress of these important intermediates as medicine, fungicide, pesticide, herbicide, growing inhibitors of plants, new fluororescent probes and dyestuff intermediates. the structural - activity relationships of different quinoxalin derivatives were also illustrated
喹喔啉類化合物具有眾多生物活性，可用於殺菌劑、殺蟲劑、除草劑、植物生長調節劑、熒光探針以及染料中間體等領域，是一類重要的雜環化合物.本文綜述了喹喔啉類化合物的生物活性研究進展，探討了不同喹喔啉衍生物的構效關系( 2 ) establishment of maize transformation system material r18 transformation system were established and transgentic plants of bar gene were obtained uing gene gun. statistical analysis showed that r18 performent well with yd culture medium in the process of conservation, screening and regeneration
（ 2 ）玉米遺傳轉化體系的建立及抗除草劑轉基因植株的獲得於2000年選用r18為受體材料，用基因槍法導入bar基因（抗除草劑草丁膦） ，建立起了遺傳轉化體系。分享友人