1,4,5 & 6College of Agriculture and Research station Kanker, IGKV, Raipur, Chattisgarh
2&3Department of Floriculture and Landscape Architecture CoA, IGKV, Raipur, Chattisgarh
Corresponding Author's Email: firstname.lastname@example.org
A field experiment was conducted to investigate the effect of different levels of growth promoters and retardants on growth and flower yield of different cultivars of African marigold under Chhattisgarh plains condition at College of Agriculture and Research Station, Kanker, IGKV, Raipur in the year 2014-15 and 2015-16. The experiment was laid out in factorial RBD comprising treatment combination of two PGR (GA3 and Cycocel) and two marigold verities (Pusa Narangi and Pusa Basanti Gainda) The result indicated that the growth and flower yield were significantly influenced by different plant growth regulators and cultivars. The maximum plant height was recorded with cv. Pusa Basanti Gainda as compared to cv. Pusa Narangi Gainda. While, maximum number of primary and secondary branches was recorded with cv. Pusa Narangi Gainda. Among the growth regulators treatments, GA3 300 ppm (25 DAT) + GA3 300 ppm (45 DAT) recorded maximum plant height. However, maximum number of primary and secondary branches, number of flowers, fresh weight of flowers per plant and flower yield ha-1 was noticed with treatment GA3 300 ppm (25 DAT) + CCC 1500 ppm (45 DAT)
Keywords: Marigold, PGR, Pusa Narangi Gainda, Pusa Basanti Gainda, Gibberellic acid (GA3), Cycocel ( CCC ).
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