What is CO 1 and it belongs to which cultivar?

It is the cultivar of Snake gourd.An early maturing cultivar with moderately spreading habit was developed at Tamil Nadu Agricultural University, Coimbatore. The first fruit becomes ready for harvesting in about 70 days after sowing. Fruits are 160-180 cm long, dark-green with white stripes and light-green flesh, and are of good cooking quality. Single fruit weighs 500-750 g. Each plant/vine bears 10-12 fruits with an average fruit yield of 18 t/ha in crop duration of 135 days.