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Wyszukujesz frazę "Zheng, Huiquan" wg kryterium: Autor


Wyświetlanie 1-1 z 1
Tytuł:
Association of SRAP markers with juvenile wood basic density and growth traits in Cunninghamia lanceolata (Lamb.) Hook
Autorzy:
Hu, Dehuo
Su, Yan
Wu, Shujuan
Wu, Jiezhen
Wang, Runhui
Yan, Shu
Wei, Ruping
Zheng, Huiquan
Powiązania:
https://bibliotekanauki.pl/articles/956957.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
chinese fir
srap
diversity
wood basic density
association analysis
Opis:
Application of sequence-related amplified polymorphism (SRAP) markers to unravel variations and relationships with biological and morphological traits has been reported in a variety of plant species, and their potential for breeding has also been highlighted. (1) Assess the diversity level of a Cunninghamia lanceolata (Chinese fir) genetic panel based on phenotypic traits and SRAP markers, (2) identify SRAP loci linked to juvenile wood basic density (JWBD) and growth traits, and (3) address the overlap of the trait-associated SRAP markers during the juvenile and mature stages of this species. A total of 227 Chinese fir genotypes were subjected to phenotype, SRAP genotyping, and marker-trait association analyses. A total of 564 unambiguous SRAP bands and 558 polymorphic loci were identified from the genotypes. The overall percentage of polymorphic bands, polymorphism information content, Nei’s gene diversity, and Shannon’s Information Index were 98.9%, 0.2576, 0.3196 and 0.4838, respectively. An analysis of molecular variance further demonstrated that the genotypes varied significantly at SRAP polymorphisms (p < 0.01). A wide genetic distance span from 0.0531 to 0.9097 was also observed; most (94.9%) fell within the range of 0.3000–0.6999. An association analysis based on general linear model (GLM) and mixed linear model (MLM) unraveled 21, 26, 25, and 19 marker-trait associations for JWBD, height (H), diameter at breast height (DBH, 1.3 m) and stem volume (V), respectively. These marker-trait associations corresponded to 64 different SRAP markers; 46 of these were linked to only one trait, while the other 18 markers appeared to be associated with more than one trait but limited to growth traits. Overall, the SRAP markers represented R2 (percentage of the phenotypic variation explained by marker) values of 1.7–9.2% for the GLM and 1.7–5.6% for the MLM. Strikingly, the significant trait-associated marker list seemed to be rather different from that of the previous study performed on mature traits (WBD, H, DBH and V), except for overlap of two markers. This study demonstrated an association of SRAP markers with JWBD and growth traits in Chinese fir. The results further our understanding of the genetic basis of the Chinese fir WBD and growth traits at the juvenile stage.
Źródło:
Dendrobiology; 2018, 79; 111-118
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-1 z 1

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