菜用大豆新品种‘石鲜7号’

A New Vegetable Soybean Cultivar‘Shixian 7’

‘石鲜7号’是以‘中黄35’为母本,以‘冀豆9号’为父本进行有性杂交,经过1次南繁,连续3代自交定向选育而成的夏播型菜用大豆新品种。株高72.3 cm左右,主茎节数14.6个,单株有效分枝数为2.2,叶片卵圆形,花朵紫色,茸毛发灰,亚有限结荚,单株有效荚数为39.5个,单株荚80.4 g,二粒荚长5.1 cm,宽1.3 cm,标准荚率86.9%,百粒鲜质量60.7 g,鲜荚平均产量10428 kg·hm^(-2)。适宜在河北省中南部夏播大豆区夏播生产种植。

‘Shixian 7’is a new vegetable soybean cultivar developed by pedigree selection method from cross combination of‘Zhonghuang 35’as female parent and‘Jidou 9’as male parent.This cultivar was selected by directional method,then produced in Hainan once and self-crossing another three generations.Its height is about 72.3 cm,with 14.6 nodes on the main stem.There were 2.2 effective branches per plant.Oval leaves,purple flowers,gray hairs,sublimited podding habit.There were 39.5 effective pods per plant,pod weight per plant 80.4 g,fresh weight of 100 seeds 60.7 g,the length of pods with 2 seeds is 5.1 cm,the width of pods with 2 seeds is 1.3 cm,the standard pod rate is 86.9%,the fresh pod average yield of 10428 kg·hm^(-2).This cultivar could be used for summer cultivation in central and southern Hebei Province.