Author(s): A. CHOUDHARY, A. MISHRA, K. K. NAGAR and R. R. MEENA

Abstract: A field experiment on African marigold (Targets erecta L.) was conducted during winter seasons in Jhalawar (Rajasthan.) to study the foliar effect of Zn and SA of 20 treatment combinations having five concentrations of zinc (0.0, 0.25, 0.50, 0.75, and 1.0 %) and salicylic acid (0.0, 0.25, 0.50 and 1.0 mM L^-1).The treatment Zn₄SA₃ (Zinc 1% + Salicylic acid 1.0 mM L^-1) recorded the maximum plant height, number of leaves per plant, main stem diameter, number of primary branches per plant, diameter of tap root, duration of flowering, first flower bud appearance, 50 per cent flowering, Duration of flowering (Days), maximum flower yield, carotene and chlorophyll. The results suggested that combined two foliar application of Zinc 1% + Salicylic acid 1.0 mM L^-1 helps to achieve higher vegetative growth, flowering and chemical constitute of African marigold under Jhalawar conditions of Rajasthan.

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