Stem color is an important agronomic trait of wax gourds. However, its regulatory genes have not been identified. In this study, 105 inbred lines constructed from two parents (GX-71 and MY-1) were sequenced and quantitative trait loci sequencing was used to mine the genes that regulate stem color in wax gourds.
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September 2023
Introduction/background: The seed size of wax gourds is an important agronomic trait; however, the associated genes have not yet been reported.
Methods: In this study, we used a high-density genetic map constructed based on F recombinant inbred line populations derived from a cross between MY-1 (large seed) and GX-71 (small seed) strains to detect quantitative trait locis (QTLs) for seed-size-related traits in wax gourd over a two-year period.
Results: Two stable QTLs ( and ) for seed length (SL) and seed width (SW) on chromosome 10 were repeatedly detected over two years (2021-2022).
The wax gourd is commonly grown in many countries because of its high nutritional and economic value. While the genes for the fruit shape and peel colour of wax gourd have been reported, the InDel markers linked to these genes remain undeveloped. In this study, the InDel markers linked to fruit-shape () and peel-colour () genes were developed from resequenced data.
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