What is CO 4 and it belongs to which cultivar?

cultivar

It is the cultivar of Snake gourd.An early maturing variety was evolved at Tamil Nadu Agricultural University, Coimbatore. The first marketable fruit may be harvested in about 70 days after sowing. Fruits are 160-190 cm long, dark-green with white stripes and light green flesh. Each plant bears 10-12 fruits, which weigh about 4-5 kg.