Reproductive Biology and Population Structure of the Endangered Species Sonneratia ovata Backer
Shi-Quan Wang, Feiyan Ren

TL;DR
This study explores the reproductive biology and genetic diversity of the endangered mangrove species Sonneratia ovata to support its conservation and management.
Contribution
This is the first study to investigate the reproductive traits, genetic diversity, and population structure of Sonneratia ovata using SSR markers.
Findings
Sonneratia ovata has a mixed mating system and requires pollinators despite being partially self-compatible.
The species exhibits low genetic diversity (He = 0.215) with most genetic variation occurring within populations.
Geographic and genetic distances among populations are positively correlated, following the IBD model.
Abstract
Sonneratia ovata is a mangrove species with important ornamental, economic, ecological, and medicinal value that is listed as an endangered species. However, there are few studies on the reproductive traits, genetic diversity, and population structure of S. ovata. People could not accurately understand its genetic background and reproductive status, and therefore could not conserve and manage it better. In order to understand the genetic background and reproductive status of S. ovata, pertinent studies were carried out through pollination, mating system, and SSR method. S. ovata has a mixed mating system, is partially self-compatible and needs pollinators, according to the outcrossing index, pollen–ovule ratio, pollination treatment results and outcrossing rate. The genetic diversity (He = 0.215) of populations was low, and the population DC was regarded as the center of genetic…
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Taxonomy
TopicsPlant Reproductive Biology · Plant and animal studies · Flowering Plant Growth and Cultivation
