SVPR 4 – A high yielding superior medium staple cotton variety for summer irrigated/rice fallow tracts of Tamil Nadu

Abstract

SVPR 4 is a high yielding cotton variety developed by Cotton Research Station, Srivilliputtur. It was released in the year of 2009 for summer irrigated/ Rice fallow tracts of Tamil Nadu. It is a hybrid derivative between MCU 5 and S 4727. SVPR 4 cotton is robust in nature with determinant growth habit and maturing in 150 days. It has recorded a mean seed cotton yield of 1585 kg/ha which is 13.0 % increase over SVPR 2. Its fibre qualities are comparably superior to SVPR 2 with 27.9 mm span length and 22.5 g/tex strength. The cotton SVPR 4 can able to spin 40's counts which is the current demand of the textile Industries. It is moderately resistant to leaf hopper and highly tolerant to drought in summer irrigated season. Hence, SVPR 4 cotton was released as an alternative variety of SVPR 2 for summer irrigated and SVPR 3 for rice fallow tracts of Tamil Nadu.