菜豆新品种青菜豆3号的选育

A New Dwarf Bean Variety — ‘Qingcaidou No.3'

青菜豆3号是从委内瑞拉引进的矮秧材料A2007-1的田间变异单株通过系统选育而成的矮秧型菜豆新品种,直立性、抗病性、丰产性较好,荚长圆棍状,嫩荚长15.57 cm,宽1.05 cm,平均单荚质量6.59 g,单株荚数23.7个。适合一次性集中采收。从播种到采收需要68～75 d(天),全生育期120 d(天)左右。每667 m^2平均产量达2 000 kg,高产田每667 m^2产量可达2 500 kg。适宜在青海省各地日光温室周年栽培及海拔1 650～2 300 m的地区露地栽培或复种。

‘Qingcaidou No.3’ is a new variety of dwarf bean,developed through systematic selection and breeding from aberrance single plant of dwarf material‘ A2007-1’ in fields introduced from Venezuela.It is of erectness,resistant to diseases,and has higher yield.The pod is of long and round stick shape.The tender pod is 15.57 cm in length and 1.05 cm in width.The average single pod weight is 6.59 g,and the number of pods per plant is 23.7.It is suitable for one-time centralized harvest.It takes 68-75 days from sowing to harvesting,and the whole growth period is about 120 days.The average yield is 30 t·hm^-2.The yield of high-yielding fields can reach 37.5 t·hm^-2.It is suitable for all year-round cultivation in solar greenhouse in Qinghai Province,and suitable for cultivation in open fields with altitude between 1 650-2 300 m in Qinghai Province,or multiple cropping.