Next Article in Journal
Chemical Compositions of Walnut (Juglans Spp.) Oil: Combined Effects of Genetic and Climatic Factors
Previous Article in Journal
Psychophysiological Impacts of Traffic Sounds in Urban Green Spaces
Previous Article in Special Issue
Does the Age of Pinus sylvestris Mother Trees Influence Reproductive Capacity and Offspring Seedling Survival?
 
 
Article

Auxiliary Seed Treatment Is Necessary to Increase Recruitment of a Critically Endangered Species, Abies beshanzuensis (Pinaceae)

by 1, 1, 1, 1, 1 and 1,2,*
1
ECNU-Alberta Joint Laboratary for Biodiversity Study, Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, Shanghai 200241, China
2
Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Academic Editor: Božena Šerá
Forests 2022, 13(6), 961; https://doi.org/10.3390/f13060961
Received: 27 May 2022 / Revised: 15 June 2022 / Accepted: 16 June 2022 / Published: 19 June 2022
(This article belongs to the Special Issue Topicalities in Forest Ecology of Seeds)
Disordered germination is widely observed in plant species with extremely small populations (PSESPs) in China. Abies beshanzuensis M. H. Wu, a PSESP (with only three extant adults in Zhejiang Province, China) that also has poor seed germination in the field, belongs to the Pinaceae family. Pinaceae generally tend toward symbiosis with ectomycorrhizal (ECM) fungi to alleviate climate change-induced stresses. Therefore, exploring how to improve seed germination of A. beshanzuensis and whether it is an ECM species will contribute to increasing recruitment for conducting further conservation research. In this study, four temperature regimes (10/15 °C, 15/20 °C, 20/25 °C, and 25/30 °C) were selected to explore the response of seed germination to rising temperature. Based on the microscopic features of fine roots, together with molecular techniques, the mycorrhizal type of this species was identified. The seed germination of A. beshanzuensis was increased from 1–2% to around 4.5% by 14-day cold stratification and under 20/25 °C fluctuating temperature conditions. Our findings indicated that A. beshanzuensis may be endangered as a result of insufficient seedling recruitment due to poor germination under the current climate. A. beshanzuensis was confirmed as an ECM fungi-associated tree species. This study highlights the necessity of incorporating auxiliary seed treatment into population recovery programs of A. beshanzuensis, thereby better conserving the species under ongoing environmental changes. View Full-Text
Keywords: Abies beshanzuensis; ectomycorrhizal tree; global warming; plant species with extremely small populations; population regeneration; seed germination; temperature Abies beshanzuensis; ectomycorrhizal tree; global warming; plant species with extremely small populations; population regeneration; seed germination; temperature
Show Figures

Figure 1

MDPI and ACS Style

Hu, R.; Liu, Y.; Zhang, J.; Xing, H.; Jiang, S.; Liu, Y. Auxiliary Seed Treatment Is Necessary to Increase Recruitment of a Critically Endangered Species, Abies beshanzuensis (Pinaceae). Forests 2022, 13, 961. https://doi.org/10.3390/f13060961

AMA Style

Hu R, Liu Y, Zhang J, Xing H, Jiang S, Liu Y. Auxiliary Seed Treatment Is Necessary to Increase Recruitment of a Critically Endangered Species, Abies beshanzuensis (Pinaceae). Forests. 2022; 13(6):961. https://doi.org/10.3390/f13060961

Chicago/Turabian Style

Hu, Rui, Yajing Liu, Jiaxin Zhang, Hua Xing, Sha Jiang, and Yu Liu. 2022. "Auxiliary Seed Treatment Is Necessary to Increase Recruitment of a Critically Endangered Species, Abies beshanzuensis (Pinaceae)" Forests 13, no. 6: 961. https://doi.org/10.3390/f13060961

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop