Abstract

The high yielding greengram culture COGG 973 is a cross derivative of COGG 923 x VC 6040A and matures in 55 - 60 days. This culture recorded an average yield of 845 kg/ha with a yield increase of 20 per cent over the check variety Co (Gg) 7. It has medium bold seed with a mean 100 seeds weight ranging from 3.5 to 4.0 g. It is determinate with synchronized maturity and suitable for single / mechanical harvest. The variety is suitable for closer planting and recorded a grain yield of 948 kg/ha with 25 x 10 cm spacing, which is 8.5 per cent yield increase over 30 x 10 cm spacing (874 kg/ha). It is also suitable for intercropping with maize and with drip fertigation system in redgram. Protein content of this variety is recorded as 20.21 per cent and has good organoleptic values. Co 8 greengram variety is resistant to yellow mosaic and moderately resistant to stem necrosis, root rot, aphids and stemfly. The variety is well suited for cultivation during kharif and rabi seasons in Tamil Nadu.

Keywords: Greengram Co 8, New variety, Short duration and Synchronized maturity