Effect of Nitrogen Levels with and without Magnesium on Growth, Yield and Quality of African Marigold (Tagetes erecta L.)

Abstract

A field experiment was conducted during rabi, 2019 to study the “Effect of nitrogen levels with and without magnesium on growth, yield and quality of African Marigold (Tagetes erecta L.)” was conducted during Rabi season of the year 2019-2020 on experimental farm of Department of Horticulture, AKS University, Satna (M.P.). The experiment was laid out in a randomized block design with three replicated 12 treatments viz., T1: N @ 0kg + Mg @ 0kg, T2: N @ 0kg + Mg @10 kg, T3: N @ 0kg + Mg @20 kg, T4: N @ 40kg + Mg @ 0kg, T5: N @ 40kg + Mg @ 10 kg, T6 N @ 40kg + Mg @ 20 kg, T7: N @ 80kg + Mg @ 0kg, T8: N @ 80kg + Mg @10 kg, T9: N @ 80kg + Mg @ 20 kg, T10: N @ 120kg + Mg @ 0kg, T11: N @ 120kg + Mg @ 10 kg, T12: N @ 120kg + Mg @ 20 kg. The results reveal that increase in nitrogen and magnesium level had significant response on vegetative growth yield and quality of African Marigold. The treatment T11 N @ 120kg + Mg @ 10 kg resulted in significantly higher growth parameters viz. plant height, number of leaves/plant, number of branches/plant, minimum days to first flowering, minimum days taken to 50% flowering, as well as yield parameters viz. flower size, number of flower/ plant, fresh flower weight, flower yield, biological yield, harvest index and economic yield of marigold (4.61 kg /plot).