Fig 1.
Grafting and agarwood formation with Qi-Nan germplasm.
A and B: Grafting of Qi-Nan germplasm. C and D: Agarwood formation with Qi-Nan germplasm.
Fig 2.
Fruits of Qi-Nan germplasm and five accurately identified Aquilaria species.
A: Qi-Nan germplasm. B: A. sinensis. C: A. yunnanensis. D: A. malaccensis. E: A. crassna. F: A. hirta.
Table 1.
Details on the PCR primers used in this study.
Table 2.
Evaluation of the five DNA barcode loci.
Fig 3.
Genetic distances between 58 Qi-Nan germplasms and the Aquilaria species for a single region.
(GC: interspecific distance between the Qi-Nan germplasm and A. crassna. GG: intraspecific distance among the Qi-Nan germplasms. GH: interspecific distance between the Qi-Nan germplasm and A. hirta. GM: interspecific distance between the Qi-Nan germplasm and A. malaccensis. GS: interspecific distance between the Qi-Nan germplasm and A. sinensis. GY: interspecific distance between the Qi-Nan germplasm and A. yunnanensis. *: P<0.05, NS: not significant).
Fig 4.
Genetic distances between 58 Qi-Nan germplasms and the Aquilaria species for multilocus combinations.
(GC: interspecific distance between the Qi-Nan germplasm and A. crassna. GG: intraspecific distance among the Qi-Nan germplasms. GH: interspecific distance between the Qi-Nan germplasm and A. hirta. GM: interspecific distance between the Qi-Nan germplasm and A. malaccensis. GS: interspecific distance between the Qi-Nan germplasm and A. sinensis. GY: interspecific distance between the Qi-Nan germplasm and A. yunnanensis).
Table 3.
Species identification success rate based on TaxonDNA analysis.
C, A, I, and N represent correct, ambiguous, incorrect and no match, respectively.
Fig 5.
The phylogenetic tree of the 58 Qi-Nan germplasms and five Aquilaria species, constructed with Bayesian inference and the ITS2 + matK combination.
Fig 6.
The phylogenetic tree of the 58 Qi-Nan germplasms and five Aquilaria species, constructed with maximum likelihood and the ITS2 + matK combination.