| 1. | Studies on the wild economic plant resources and its utilization in tianshui 天水野生经济植物资源及应用研究 |
| 2. | Since its born , it has been propagated in over 650 species of economic plants 这都有植物非试管高效快繁技术的用武之地。 |
| 3. | High efficientive culture techniques of economic plant platycodon grandiflorum a . dc 药食赏三用经济植物桔梗的高产栽培技术 |
| 4. | O . kutze ] is one of the most important economic plants in china , aroma is one of the keys index of weighing the quality of tea 茶树是我国重要的经济作物,香气是衡量茶叶品质好坏的关键指标之一。 |
| 5. | Cotton is one kind of economic plants which have much higher commercialized rate , and the impact and shock on it will be much greater than other crops 棉花是农产品中商品率较高的经济作物,其所受到的影响和冲击将会更大。 |
| 6. | For human being , rapid cloning and utilization of economic plants include rescue of rare and extinction endangered plants is an eternal issue 从目前来看,建立在东部较发达的地区,而且多数以繁育经济果木花卉特色蔬菜为主。 |
| 7. | It is a proprietary technique , and has been used successfully in the rapid propagation of more than 550 kinds of economic plants , showing popular significance to the vegetative propagation of most economic plants 植物非试管高效快繁技术( ternpc )在国内外为首创发明以来,已在国内各地生产中提出的550馀种经济植物获得快繁成功。 |
| 8. | The cotton industry began to develop and gradually became one of the most important economic plants replacing the mulberry during the qing dynasty and ming dinastyjust after it began to be planted in henan province since song dynasty and yuan dynasty 棉花自宋元之际传入河南后,明清时期得到了初步发展,逐渐替代桑蚕业成为主要的经济作物之一。 |
| 9. | With many efforts , the scientists of china have succeeded in researching the plant rapid propagation of many kinds , yet only about ten kinds of economic plants have been industrialized and spread over an extensive area , though in a low speed 而针叶树种有许多植物品种进行组织培养难度很大,基本上不能大规模生产。常规拖插又存在著生根慢、成活率低。致使这些品种的苗木一直在用用种子繁殖,后代性状变异非常大。 |
| 10. | In natural mixed forest of cunninghamia lanceolata , 44 species including 38 species and other 6 economic plants were selected to analyze their economic , ecological , social benefit and feasibility and to discuss multi - story mixed forestry of cunninghamia lanceolata for different purpose 摘要通过对天然杉木混交林的调查,从中筛选出38个树种,同时收集6种经济植物,共44种,就其经济效益、生态效益、社会效益及可行性进行分析,探讨了不同决策目标的杉木立体混交经营模式。 |