普通白菜新品种京绿1号的选育

A New Pak-choi F_(1) Hybrid——‘Jinglv No.1’

京绿1号是由2个自交不亲和系11346和11501配制而成的耐热普通白菜一代杂种。株型半直立,束腰性好,叶色深绿,有光泽,叶面平展,外形美观;秋播40 d(天)可采收,株高21 cm左右,开展度30 cm左右,叶柄绿色、宽5.2 cm左右、厚0.8 cm左右,单株质量0.17 kg左右;粗纤维含量6.42 g·kg^(-1),VC含量331.0 mg·kg^(-1)(FW),高抗霜霉病,抗TuMV、黑腐病,耐抽薹性中等,每667 m^(2)产量2700 kg左右,适宜北京、天津、河北、山东、陕西、甘肃、宁夏、浙江等地夏秋季保护地和露地栽培。

‘Jinglv No.1’is a new pak-choi F_(1) hybrid developed by crossing 2 self-incompatible lines‘11346’and‘11501’.The plant is of semi-erect type with beautiful beam waist.The plant is about 21 cm in height and about 30 cm in spread width.It can be harvested 40 days after sowing in autumn.The leaf is glossy dark green in color with flat surface and beautiful appearance.The petiole is green in color,about 5.2 cm in width and about 0.8 cm in thickness.The single plant weight is about 0.17 kg.Its crude fiber content is 6.42 g·kg^(-1),and VC content is 331.0 mg·kg^(-1)(FW).It is highly resistant to downy mildew,resistant to TuMV and black rot;medium tolerance to bolting.It can yield about 40.5 t·hm^(-2).It is suitable for summer and autumn cultivation in Beijing,Tianjin,Hebei,Shaandong,Shanxi,Gansu,Ningxia,Zhejiang in protected and open fields.