| 1. | Grassland a major world plant community ( biome ) dominated by grasses ( poaceae ) 草原:以禾本科草类(禾本科)为优势物种的植物群落(生物群系) 。 |
| 2. | Hystrix moench is a small perennial genus of the tribe triticeae ( dumortier ) 猬草属hystrixmoench是禾本科poaceae小麦族triticeaedumortier中一个多年生小属。 |
| 3. | Subpopulation differentiation of anthoxanthum alpinum poaceae along an altitudinal gradient detected by random amplified polymorphic dna 技术研究阿尔卑斯山黄花茅居群内的遗传分化 |
| 4. | Acceding to the number of species , the three of the biggest families are asteraceae , poaceae and legumimosae 被子植物中较大的科有3科,其中最大的科是菊科,其次分别为禾本科和豆科。 |
| 5. | Morphology and cytology of intergeneric hybrids between hystrix duthiei ssp . longearistata and psathyrostachys huashanica poaceae : triticeae 长芒猬草与华山新麦草属间杂种的形态学和细胞学研究 |
| 6. | A comparison of transpiration characteristics and water use efficiency between poaceae plants and chenopodiaceae plants under the simulated light source 模拟光条件下禾本科植物和藜科植物蒸腾特性与水分利用效率比较 |
| 7. | Analysis of the variation of bases of epsps of brassicaceae , solanaceae and poaceae indicate that the evolutionary rates of epsps are different between brassicaceae and solanacea e and the rate in solanaceae is higher than the rate in brassicaceae according to the total substitution rate of bases 分别对十字花科、茄科、禾本科序列的碱基变异情况分析,结果表明, epsps基因在十字花科和茄科中的进化速率不一样,对于总的碱基替换率,茄科高于十字花科。 |
| 8. | Is an important perennial genus of triticeae dumortier ( poaceae ) . it includes about 30 species and 19 subspecies . they are distributed in the coastal areas of north sea , central asia , east asia , extending to alaska and the western areas of north america 是禾本科poaceae小麦族triticeaedumortier的一个重要多年生属,全世界大约有30个种和19个亚种,从北海的沿岸地区,越过中亚到东亚直至阿拉斯加和北美西部的广阔地域均有分布,多数种类集中于中亚和北美的高山。 |
| 9. | The distribution and harm of species of dominant weeds of lawn vary with different area , and the most harmful weeds belong 8 families , which were poaceae , asteraceae , cyperaceae , amaranthaceae , euphorbiaceae , polygonaceae , fabaceae and caryophyllaceae , about accounted for from sixty percent to seventy percent in all weeds in lawn 摘要不同地区草坪优势杂草的种类不尽相同,禾本科、菊科、莎草科、苋科、大戟科、蓼科、豆科和石竹科等8个科的杂草种类和发生数量最多,约占杂草总数的60 % ~ 70 % 。 |
| 10. | Formers has done enough fine reaserch works on prokaryotic ftsz , in this paper we try to find the evolutionary clew of its transfering from junior algae to senior plant by choosing the single - cell chlorophyta - chlamydomonas reinhardtii and gramineae poaceae - oryza sativa as the experiment material 前人已对原核生物中ftsz在结构功能、表达调控等方面作了细致深入的研究,本文选取了单细胞绿藻衣藻和禾本科植物水稻的ftsz蛋白进行研究对比,试图寻找ftsz蛋白是如何由低等藻类过渡到高等植物界的线索。 |