A New Dwarf Snap Bean Variety —‘Changnongcaidou No.7’
GE Shanxin1，ZHANG Xiaoyue1，WAGN Kexin1，MA Hui1，XU Changying1，MENG Fanjun1，DING Zengwei2，WU Lidan3
1Changchun Academy of Agricultural Sciences，Changchun 130062，Jilin，China；2Hunchun Station for Popularizing Agricultural Techniques，Yanbian 133000，Jilin，China；3Changchun Station for Popularizing Agricultural Techniques，Changchun 130000，Jilin，China
Abstract：‘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．
