CAJ | 학술논문

[目的]定量研究松嫩平原星星草无性系种群功能构件的生物量结构及功能构件间的关系.[方法]采用随机挖掘整个无性系分蘖丛的取样方法,对松嫩平原开花期星星草无性系各功能构件生物量与丛径、不同构件的生产与无性系生产的关系、无性系生殖株与其组分构件生物量的关系进行了定量分析.[结果]松嫩平原星星草无性系种群支持构件、有性生殖构件、光合构件生物量随丛径增大而呈线性增加(P<0.05);而营养繁殖构件生物量与丛径的线性相关性未达到显著水平(P>0.05),丛径对各功能构件生物量的制约程度为:支持构件>有性生殖构件>光合构件>营养繁殖构件;生殖株和营养株生物量随无性系全体构件生物量的增加均呈线性增加(P<0.05),而全体构件生物量与分蘖苗生物量的线性相关性未达到显著水平(P>0.05);生殖株茎、叶与花序生物量皆与生殖株生物量呈线性函数增长(P<0.05),茎、花序和叶生物量的积累按7:2:1比例形成.[结论]为丛生型无性植物生态的深入研究奠定了理论基础.
[목적]정량연구송눈평원성성초무성계충군공능구건적생물량결구급공능구건간적관계.[방법]채용수궤알굴정개무성계분얼총적취양방법,대송눈평원개화기성성초무성계각공능구건생물량여총경、불동구건적생산여무성계생산적관계、무성계생식주여기조분구건생물량적관계진행료정량분석.[결과]송눈평원성성초무성계충군지지구건、유성생식구건、광합구건생물량수총경증대이정선성증가(P<0.05);이영양번식구건생물량여총경적선성상관성미체도현저수평(P>0.05),총경대각공능구건생물량적제약정도위:지지구건>유성생식구건>광합구건>영양번식구건;생식주화영양주생물량수무성계전체구건생물량적증가균정선성증가(P<0.05),이전체구건생물량여분얼묘생물량적선성상관성미체도현저수평(P>0.05);생식주경、협여화서생물량개여생식주생물량정선성함수증장(P<0.05),경、화서화협생물량적적루안7:2:1비례형성.[결론]위총생형무성식물생태적심입연구전정료이론기출.
[Objective] The research aimed to study the biomass structure of the functional modules of clonal population of Puccinellia tenuifora on Songnen Plain and its relationship with the functional modules quantitatively. [Method] Using the sample method of digging up the whole tiller tuft randomly at flowering stage, the relationships between the biomass of functional modules and turf size, biomass of different modules and the clone production, reproductive tillers of clones and the biomass of component modules of Puccinellia tenuifora clones on Songnen Plain were quantitatively analyzed. [Result] The biomass of sexual reproductive module, photosynthesis module and supporting module showed a linear increase with the increasing of turf size (P < 0.05) , while the linear relationship between the biomass of vegetative reproductive module and turf size did not reach the significant level(P > 0.05). The restriction degree of turf size on the biomass of functional modules was supporting module>sexual reproductive module>photosynthesis module>vegetative reproductive module. Biomass of reproductive tillers and vegetative tillers showed a linear increase as the biomass of total modules increased (P < 0.05), while the linear correlation between the biomass of tillering seedlings and biomass of total modules did not reach the significant level (P > 0.05). Biomass of stem, spike and leaf of reproductive plants showed a linear functional increase as reproductive tiller increased(P < 0.05), and the ratio of accumulation of biomass of stem, spike and leaf was 7: 2: 1.[Conclusion] The research laid the theoretical foundation for the further research on the ecology of clustered clone plants.