Author(s):

NM Dali, YR Khobragade, Aswathi S Vasu, RP Gajbhiye and DM Panchbhai

Abstract: The investigation was carried out to assess the nitrogen and potassium levels for growth, flowering and yield attributes of African marigold at Horticulture Section, College of Agriculture, Nagpur, during kharif- 2018. The experiment was laid out in Factorial Randomized Block Design with sixteen treatment combinations which was replicated thrice. The treatments comprised two factors main -Nitrogen, 0, 80, 100 and 120 kg ha^-1 and Potassium, 0, 20, 25 and 30 kg ha^-1. The results revealed that growth parameters viz. plant height, number of branches plant^-1 and yield parameters- number of flowers plant^-1, yield of flowers plant^-1 and ha^-1 were significantly maximum. While minimum days were observed in flowering parameters such as, days to first flower bud initiation, days to opening of first flower, days to 50% flowering and days to first harvest in highest level of nitrogen (120 kg N ha^-1) and potassium (30 kg K ha^-1). However, interaction effect of nitrogen and potassium levels was found non-significant effect in case of growth and flowering parameters, while significant in yield parameters.

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