（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.