콩 主要 品種의 開花 및 生育日數에 대한 組合能力

Combining ability for flowering and maturity in major soybean varieties

This study was carried out to get the varietal genetic differences for flowering and maturity in soybean. And a diallel cross from 6 soybean varieties was used to investigate combining ability and gene action for flowering and maturity. Highly significant GCA(General Combining Ability) and SCA(Specific Combining Ability) effects were observed on DPF(Days from Planting to Flowering) and DPM(Days from Planting to Maturity) in F₁ and F₂, and GCA effect was greater than SCA effect, which suggested that additive effect was greater than the dominance. Okuharawase, Yuhsuzumi, and Paldalkong had GCA effect of early flowering and maturity in F₁ and F₂, whereas Jangyeobkong, Danyeobkong, and Dogyukong had GCA effect of late flowering and maturity. The SCA effect was different from cross combinations.