CO 4: A NEW HIGH YIELDING SUNFLOWER

B.SUBBALAKSHMI; S.KALAIMANI; C.S.SRIDHARAN AND M.RANGASWAMY

doi:https://doi.org/10.29321/MAJ.10.A01096

Madras Agricultural Journal

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CO 4: A NEW HIGH YIELDING SUNFLOWER

Author: B.SUBBALAKSHMI, S.KALAIMANI, C.S.SRIDHARAN AND M.RANGASWAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 83, Issue: nov-nov,

DOI:https://doi.org/10.29321/MAJ.10.A01096

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Abstract

Sunflower CO 4 (TNAU SUF 7) is a hybrid derivative of the cross, Dwarf x Surya. It is a high yielding open pollinated variety of medium duration group, maturing in 85 days. It recorded an overall mean seed yield of 1255 kg/ha. The percentage of increase yield over the checks (Co2, Co3.- Morden and EC 68414) ranged from 14.9 to 52.5. The seed contains 39.7 per cent oil. In view of its superior performance in respect of seed yield, high oil content, wider adaptability and tolerance to pest and diseases, this culture was released as CO4 sunflower in Tamil Nadu.

Keywords: Sunflower, Variety, Release

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