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Groundnut variety COGn 4, a hybrid derivative of TMV 10 x ICGS 82 was released during January 2001 for Tamil Nadu. It has desirable attributes viz. high pod yield, high oil content, bold kernel with less incidence of bud necrosis. It matures in 110 days and gives an average yield of 1500 and 1950 kg ha' under rainfed and irrigated conditions respectively. This variety is suitable for both rainfed and irrigated conditions and can be grown during kharif, rabi and summer seasons.

No abstract

Twenty-eight diverse genotypes of safflower studied for the extent of genetic variability for yield and yield components revealed that maximum difference between GCV and PCV under rainfed and irrigated cropping was observed for number of heads and branches per plant indicating the susceptibility of these traits to environment. In general, the spiny types performed under irrigated condition and the non-spiny genotypes under rainfed conditions. The dwarf genotypes recorded high seed yield under irrigated conditions and the non-spiny genotypes under rainfed conditions. The dwarf genotypes recorded high seed yield under irrigated conditions and the intermediates under rainfed condition. Number of branches and heads were interrelated under both conditions..