矮生菜豆新品种苏菜豆4号的选育

摘要

‘Sucaidou No. 4’ is a new dwarf snap bean variety developed by crossing dwarf snap bean ‘81-6’ as female parent and ‘Sudidou No.1’ as male parent using pedigree selection. It is of early maturity. Its flowers are purple in color with green-white tender pods. Its pod is of flat stick shape. The average pod length and width is 13.4 cm and 0.8 cm,respectively. The average single pod weight is 7.7 g. It takes about 56.1days from sowing to harvest. The average yield is 12-18 t·hm-2. It is strongly resistant to leaf mold and root rot in field. Its seed is of flat oval shape. The average thousand kernel weight is 333.0 g. It is suitable for cultivation in open fields and plastic tunnel in Jiangsu Province and the middle and lower regions of the Yangtze River in spring and autumn.%苏菜豆4号是以81-6为母本，以苏地豆1号为父本杂交后经系统选育而成的矮生菜豆新品种。早熟，花紫色，嫩荚扁棍形，荚绿白色，平均荚长13.4 cm，宽0.8 cm，平均单荚质量7.7 g。从播种至采收嫩荚56.1 d（天）。每667 m2鲜荚产量800～1200 kg。田间对叶霉病和根腐病的抗性强。种子为扁椭圆形，平均千粒重为333.0 g。适合江苏省及长江中下游地区春秋季露地和大棚栽培。