矮生菜豆新品种长农菜豆7号的选育

A New Dwarf Snap Bean Variety-‘Changnongcaidou No.7’

长农菜豆7号是以哈菜豆6号为母本,以H5-12为父本杂交后经系统选育而成的矮生菜豆新品种。极早熟,出苗至始收嫩荚45~50 d(天),株高约50 cm,花冠旗瓣紫色,翼瓣粉色;嫩荚长扁条形、绿色,平均荚长14.7 cm,荚宽2.1cm,单荚质量16.4 g,每667 m^(2)鲜荚产量1 200 kg左右;田间对炭疽病、枯萎病、锈病的抗性强于对照哈菜豆15号,种子椭圆形,千粒重约410 g,适宜吉林省露地栽培。

‘Changnongcaidou No.7’is a new dwarf snap bean variety developed by crossing dwarf snap bean‘Hacaidou No.6’as female parent and‘H5-12’as male parent using pedigree selection.It is an extremely early maturing variety and is about 45-50 days from emergence to harvest.The plant height is about 50 cm.Its flowers are purple vexillum and pink wing with long shape and green tender pods.The average pod length and width is 14.7 cm and 2.1 cm.The average single pod weight is 16.4 g.The average yield is 18 t·hm^(-2).The resistance to anthracnose,blight and rust disease is stronger than that of control‘Hacaidou No.15’in the field.Its seed is oval in shape.The average thousand seed weight is 410 g.It is suitable for cultivation in open fields In Jilin Province.