Important Features of Tetraploid Cotton Varieties of Tamilnadu states of India

Variety/ Hybrid	Year of Release	Yield (q/ha)	Duration (Days)	Ginning Percent	M.H.L (mm)	Spinning Counts	Area of cultivation
TAMILNADU
CO2	1929	7	190	31	24	24	T.N.Winter Crop
CO4	1939	9	190	34	24	24	T.N.Summer Crop
MCU 1	1950	9	180	32	27	36	Tamil Nadu
MCU 2	1955	10	180	35	27	36	Tamil Nadu
PRS 72	1966	8	125	36	25	40	Tamil Nadu
MCU 4	1967	10	165	37	28	50	Summer Tract
MCU 5	1968	19	165	35	30	50	Tamil Nadu, A.P.
Sujata *	1969	14	180	30	32	90	Tamil Nadu
MCU 6	1970	5 R	160	37	25	40	Tamil Nadu
MCU 7	1972	12	145	35	23	30	TN Rice Fallows
MCU 8	1974	15	160	35	28	50	Summer Tract
Suvin*	1974	15	190	30	36	120	Tamil Nadu
Suman	1976	14	150	38	26	40	T.N.,A.P.,K.S.
MCU 9	1978	18	165	36	30	50	Winter Tract
Supriya	1979	18	145	38	29	50	T.N. and A.P
KC 1	1980	9	180	34	23	40	Tamil Nadu
TNB 1*	1981	13	170	32	33	80	Tamil Nadu-
MCU 5 VT	1982	20	165	34	29	50	WinterTract, T.N.
MCU 10	1982	8 R	165	36	25	40	Rainfed areas
LRA 5166	1982	10 R	180	35	24	34	TN,AP,MS,KS
MCU 11	1988	22	155	35	26	50	Winter Tract
SVPR 1	1991	16 R	135	35	25	40	Summer Tract
Paiyur 1	1991	11.5	150	37	23	40	WinterRainfed Tract
ADT 1	1992	12	125	34	22	40	Rice Fallows
LRK 516	1992	12 R	160	36	25	36	Maharashtra, Gujarat
SVPR 2	1996	16	160	36	25	30	Summer Tract
Surabhi	1997	35	170	35	29	55	South Zone
KC 2	1997	7.5	150	37	25	40	Tamil Nadu

R=Rainfed yield

 

*G.barbadense varieties.

Source: www.cicr.org.in