Altitudinal Variations of Flower Traits and Reproductive Allocation of Different Colors in Primula alpicola
《北方园艺》[ISSN:1001-0009/CN:23-1247/S]
- Issue:
- 2018年16
- Page:
- 112-120
- Research Field:
- Publishing date:
Info
- Title:
- Altitudinal Variations of Flower Traits and Reproductive Allocation of Different Colors in Primula alpicola
- Author(s):
- WANG Shuli1; ZHANG Changyao2; LUO Jian1; YIXI Qunpei3
- (1.Res. Institute of Tibet Plateau Ecology, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet 860000;2.Basic Teaching Department, Tibet Agriculture & Animal Husbandry University, Nyingchi,Tibet 860000;3.Resources & Environment College, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet 860000)
- Keywords:
- Primula alpicola; different colors; flower traits; reproductive allocation; altitude; individual size-dependent
- PACS:
- -
- DOI:
- 10.11937/bfyy.20174504
- Abstract:
- In order to investigate the response of reproductive strategy of Primula alpicola to altitude,flower traits and reproductive allocation of three colors in P. alpicola at different altitudes on Sejila mountains were examined through field sampling.The results showed that,as altitude increased,stems distribution of purple flower populations decreased significantly,leaves distribution and flowers distribution of three colors were respectively in the trend of increasing and decreasing but difference were not significant.The five flower traits included total flower number,single flower area,single flower weight,flora display area,reproductive investment had different change tendencies,all of which were not significant.Reproductive allocation did not decrease obviously with altitude rising.There was no obvious correlation between altitude and reproductive allocation.The correlations between reproductive traits and individual size were various at different altitudes.Total flower number,reproductive investment and flora display area of white flower populations were positively correlated with individual size significantly.Both altitude and individual size affected total flower number of white flower populations and reproductive investment of purple flower populations,but had no important influence on the other size-dependent reproductive traits of different colors.There were no consistent correlation models between individual size and single flower area,single flower weight separately at varying altitudes.Reproductive allocation had negative relationships which were no significant on some altitudes with individual size.In short,the results suggested that altitude didn′t significantly influence flower traits and reproductive allocation of different colors of P.alpicola.Altitude could not fully explain the change of resource allocation strategy of P.alpicola.Reproductive strategies of different colors were not exactly the same with slight differences.
Last Update: 2018-09-30