(1Horticulture Institute of Chengdu City Agriculture and Forestry Academy,Chengdu 611130,Sichuan,China;2Sichuan Academy of Food and Fermentation Industries,Chengdu 611130,Sichuan,China;3Sichuan Dongpo Chinese Pickle Industrial Technology Research Institute,Chengu 620000,Sichuan,China)
Abstract:‘Chengjiang No.9’is a new cowpea hybrid developed by crossing optimum strain 89 as female parent and extreme early variety p-3 as male parent through system selection. It is of mid-early maturity. The lord tendril has pod. The first inflorescence sets in the 4-6th nod. It takes about 60-65 days from sowing to harvest in spring,and the newly grown pod is light green in color. The average pod length is about 55-60 cm. The single pod weight is 25-30 g. It has good performance in pickle process. It is an ideal variety for make pickle cowpea. It can yield about 37.5 t·hm-2. It is suitable for spring and summer cultivation in the Yangtze River valley.