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当前位置: 首页 > 文章 > 野牛草分株对养分异质性供应的反应 草地学报 2006,14 (4) 306-309+314
Position: Home > Articles > Effects of Nutrients Availability on Linked Two-Ramets of a Stoloniferous Herb, the Buffalograss Acta Agrestia Sinica 2006,14 (4) 306-309+314

野牛草分株对养分异质性供应的反应

作  者：
牛建忠;周禾;张称意;毛培胜;王显国;张佳华
单  位：
中国农业大学草地研究所;中国气象局
关键词：
野牛草;克隆植物;匍匐茎;养分;异质性
摘  要：
野牛草分株对养分异质性反应的研究表明:姊株能显著地从妹株分株生物量获益,但妹株并不能从姊株获益,属于单向获益;妹株株高、根系生物量显著地比姊株增长快;姊株1级匍匐茎总长、总节数、生物量及分蘖节生物量显著比妹株增长快;妹株能显著从姊株最长1级匍匐茎和分蘖节生物量获益。
译  名：
Effects of Nutrients Availability on Linked Two-Ramets of a Stoloniferous Herb, the Buffalograss
作  者：
NIU Jian-zhong~ 1,2 , ZHOU He~ 1* , ZHANG Cheng-yi~3, MAO Pei-sheng~1,WANG Xian-guo~1, ZHANG Jia-hua~3(1.Institute of Grassland Science, China Agriculture University, Beijing 100094, China;2. Administrative Office of the Temple of Heaven, Beijing 100050, China;3.China Bureau of Meteorology, Beijing 100081, China)
关键词：
Buffalograss[Buchlo dactyloides(Nutt.)Engelm]; Clonal plant; Stolon; Nutrients; Hetero-geneousness
摘  要：
Results of the study on available nutrients to linked two-ramets of buffalograss (Buchlo dactyloides) indicate that the first-growing ramets are benefited immensely from the next-growing ramets, but the latter are not repaid by the former which are the unidirectional beneficiary. The root biomass and height of the later-growing ramets apparently rise faster than those of the earlier-growing ramets. Contrarily, the tiller node biomass, 1~ st stolon biomass, 1~ st stolon node number, and 1~ st stolon length of the first-emerging ramets grow quicker than those of the later-growing ramets. However, the next-growing ramets can be benefited from the first-growing ones in the tiller node biomass and the longest 1~ st stolon.

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