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Architectural effects regulate resource allocation within the inflorescences with nonlinear blooming patterns
Wang, Hao1,2; Zhang, Zhi-Qiang1,2; Zhang, Bo3,4; Wang, Li-Ping1,2,5; Guo, Wen1,2; Fang, Ye6; Li, Qing-Jun1,2
Corresponding AuthorZhang, Zhi-Qiang(zq.zhang@ynu.edu.cn)
2022-06-25
Source PublicationAMERICAN JOURNAL OF BOTANY
ISSN0002-9122
Pages12
AbstractPremise Spatial and temporal resource allocations within inflorescences have been well-studied in many plants based on flowering sequence or floral position. However, there had been few attempts to investigate architectural effects and resource competition in species where the blooming pattern does not follow a linear positional pattern within the inflorescence. Moreover, most flowering plants show female-biased sex allocation in early or basal flowers, but it is unclear in species with inherent and changeless ovule production. Methods We investigated intra-inflorescence variation in reproductive traits of Salvia przewalskii, a perennial herb with 4-ouvle ovary flowers and flowering sequence-floral position decoupled inflorescences. To detect the effects of resource competition and architectural effects on reproductive success, we manipulated inflorescence (removed floral buds by position and flowering sequence) and pollination (opened and supplemented pollination). Results Pollen production and dry mass deceased from bottom to top flowers but did not significantly differ following flowering sequence, resulting in male-biased sex allocation in basal flowers. The seed production, fruit set, and bud development exhibited significant declining trends from proximal to distal positions regardless of the thinning and pollen treatments. Meanwhile, the seed production, fruit set, and bud development success did not significant differ when thinning was conducted according to flowering sequence. Conclusions Architectural effects plays a crucial role in resource allocation within decoupled flowering inflorescences. Moreover, our results highlighted that inherent floral traits such as changeless ovule production, may modify architectural effects on sex allocation.
Keywordfloral position floral traits flowering sequence Lamiaceae pollen ovule ratio reproductive success
DOI10.1002/ajb2.16001
Indexed BySCI ; SCI
Language英语
WOS IDWOS:000815585900001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73861
Collection中国科学院昆明植物研究所
Corresponding AuthorZhang, Zhi-Qiang
Affiliation1.Yunnan Univ, Sch Ecol & Environm Sci, Inst Biodivers, Yunnan Key Lab Plant Reprod Adaptat & Evolutionar, Kunming 650504, Yunnan, Peoples R China
2.Yunnan Univ, Sch Ecol & Environm Sci, Inst Biodivers, State Key Lab Conservat & Utilizat Bioresources Y, Kunming 650504, Yunnan, Peoples R China
3.Gansu Agr Univ, Coll Grassland Sci, Minist Educ, Key Lab Grassland Ecosyst, Lanzhou 730070, Peoples R China
4.Gansu Agr Univ, Coll Grassland Sci, Sino US Ctr Grazingland Ecosyst Sustainabil, Lanzhou 730070, Peoples R China
5.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
6.Shangri La Alpine Bot Garden, Diqing 674400, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hao,Zhang, Zhi-Qiang,Zhang, Bo,et al. Architectural effects regulate resource allocation within the inflorescences with nonlinear blooming patterns[J]. AMERICAN JOURNAL OF BOTANY,2022:12.
APA Wang, Hao.,Zhang, Zhi-Qiang.,Zhang, Bo.,Wang, Li-Ping.,Guo, Wen.,...&Li, Qing-Jun.(2022).Architectural effects regulate resource allocation within the inflorescences with nonlinear blooming patterns.AMERICAN JOURNAL OF BOTANY,12.
MLA Wang, Hao,et al."Architectural effects regulate resource allocation within the inflorescences with nonlinear blooming patterns".AMERICAN JOURNAL OF BOTANY (2022):12.
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