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Alternative Growth and Defensive Strategies Reveal Potential and Gender Specific Trade-Offs in Dioecious Plants Salix paraplesia to Nutrient Availability
Jiang, Hao1; Zhang, Sheng1; Lei, Yanbao1; Xu, Gang2; Zhang, Dan1
Corresponding AuthorZhang, Dan
2016
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume7Pages:DOI:10.3389/fpls.2016.01064
SubtypeArticle
AbstractPopulation sex ratios of many dioecious plants in nature are biased. This may be attributed to sexually different resource demands and adaptive capacity. In male-biasedPopulus, males often display stronger physiological adaptation than females. Interestingly, Populus and Salix, belonging to Salicaceae, display an opposite biased sex ratio, especially in nutrient-poor environmental conditions. Do female willows have a greater tolerance to nutrient deficiency than males? In this study, we investigated the growth and defensive strategies of Salix paraplesia cuttings, which were grown with high and low soil fertility for about 140 days over one growing season. Results suggest that different strategies for biomass allocation may result in sexually different defense capacities and trade-offs between growth and defense. Females are likely to adopt radical strategies, overdrawing on available resources to satisfy both growth and defense, which seems to be more like a gamble compared with males. It is also suggested that females may have an extra mechanism to compensate for the investment in growth under nutrient-poor conditions. In summary, the results may help focus restoration efforts on sex selection such that a moderate increase in female willow quantity could increase the resistance and resilience of willow populations to early sporadic desertification.
KeywordDesertification Dioecy Low Soil Fertility Sex Differences Willow
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2016.01064
WOS Subject ExtendedPlant Sciences
Indexed BySCI
WOS KeywordSEX-RELATED DIFFERENCES ; POPULUS-CATHAYANA ; CHEMICAL DEFENSE ; STRESS TOLERANCE ; CLIMATE-CHANGE ; WOODY-PLANTS ; RESPONSES ; DROUGHT ; TREE ; COMPETITION
Language英语
Quartile2区
TOP
WOS SubjectPlant Sciences
WOS IDWOS:000379906600001
Funding OrganizationNational Natural Science Foundation of China(31300512 ; 31370607 ; 31322014)
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17550
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Peoples R China
2.Southwest Univ Sci & Technol, Sch Life Sci, Mianyang, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Jiang, Hao,Zhang, Sheng,Lei, Yanbao,et al. Alternative Growth and Defensive Strategies Reveal Potential and Gender Specific Trade-Offs in Dioecious Plants Salix paraplesia to Nutrient Availability[J]. FRONTIERS IN PLANT SCIENCE,2016,7:DOI:10.3389/fpls.2016.01064.
APA Jiang, Hao,Zhang, Sheng,Lei, Yanbao,Xu, Gang,&Zhang, Dan.(2016).Alternative Growth and Defensive Strategies Reveal Potential and Gender Specific Trade-Offs in Dioecious Plants Salix paraplesia to Nutrient Availability.FRONTIERS IN PLANT SCIENCE,7,DOI:10.3389/fpls.2016.01064.
MLA Jiang, Hao,et al."Alternative Growth and Defensive Strategies Reveal Potential and Gender Specific Trade-Offs in Dioecious Plants Salix paraplesia to Nutrient Availability".FRONTIERS IN PLANT SCIENCE 7(2016):DOI:10.3389/fpls.2016.01064.
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