white clover造句

• The land is laid down with red or white clover
  这块土地种上了红花和白花苜蓿。
• White clover meal for feedstuffs
  饲料用白三叶草粉
• 5 % . so the established transformation system of white clover can be implied to transfer the ips gene
  确立的白三叶遗传体系就可以运用到下一步转ifs基因的实验中。
• As part of the project to improve isoflavone contents of legume forage by introducing isoflavone synthase ( ips ) gene , in this work , we have established the agrobacterium - mediated transformation system of white clover
  A311带有pbi121质粒，该质粒携有gus基因，其启动子为35s启动子，筛选标记基因为npt 。
• Agobacterium tumefaciens strain a311 carrying the plant tranfer vector pb1121 , which contains the neomycin phosphotransferasell gene ( nptll ) and p - glucuronidase reporter gene ( gus ) both under the control of the camv 35s promoter , was used in the establishment of the genetic tranformation of white clover
  选用苗龄4 5天的带柄子叶作为外植体，先将外植体预培2天，再与根癌农杆菌a311共培养3 4天后，转入附加有40mg l ~ ( - 1 )卡那霉素和400mg
• Many legume plants may produce the beneficial isoflavones , which are vital to the formation of nitrogen - fixing root - nodules and the disease resistance response of plants . white clover ( trifolium repens ) , a high quality legume forage , however , has little isoflavones . to improve the isoflavone contents of such forage , an available strategy is to introduce gene ( s ) encoding the key enzyme ( s ) in the biosynthesis pathway of insoflavones
  许多豆科植物中都含有异黄酮类化合物，异黄酮对植物根瘤的形成和植物的防御反应至关重要，但是在牧草白三叶中缺乏这种有益的化合物，因此通过转基因实验将异黄酮合成酶基因导入白三叶中，提高其异黄酮的含量，增加白三叶的营养价值。