NEW JASSID RESISTANT COTTON VARIETY KC.2 (KOVILPATTI CAMBODIA-2)
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Author: D. KRISHNA DOSS, A. RAJAMANI, R. RAVIKESAVAN, N. MUPPIDATHI, R. SANKARA PANDIAN, S. SURESH and V. RAJARAM,
p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 86, Issue: oct-dec,
DOI:https://doi.org/10.29321/MAJ.10.A00673
Abstract
A new cambodia cotton variety KC.2 combining moderate resistance to leaf hopper, high yield and suitable for cultivation in rainfed black soil tract of Tuticorin, Tirunelveli and Virudhunagar districts of Tamil Nadu during North-East Monsoon was released in January 1997. This cultivar was developed from a cross involving MCU.10, a black arm resistant variety and KC.1, a jassid resistant strain. It has an average seed cotton yield of 772 kg/ha under rainfed condition which is 18% increase over LRA. 5166 and 11% increase over MCU.10. It has got a good ginning outturn of 37.5% and fibre lenght of 24.4 mm. It comes under medium staple category. The variety KC.2 has a good CSP value of 2412 for nominal 40's count as against standard CSP value of 2040. It has got a high yielding potential of 23.65 q/ha under favourable conditions.
Keywords: Cambodia cotton, KC.2, Leafhopper, Resistance
