creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage 同义词：dutch clover, shamrock, Trifolium repens,
例句与用法
1.
The land is laid down with red or white clover 这块土地种上了红花和白花苜蓿。
2.
White clover meal for feedstuffs 饲料用白三叶草粉
3.
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。
4.
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 。
5.
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
6.
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。
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