Effect of Different Doses of Gamma-Irradiated Sodium Alginate and Nitrogen Fertilizer on Growth, Physiological Biochemical Parameters and Yield Attributes of Mentha Piperita L. in Northern Himalayas
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 4
Abstract
A field experiment was conducted for one year, in order to observe the combined effect of the different concentration ranges of irradiated sodium alginate (ISA), along with the different concentration doses of Nitrogen fertilizers on the overall growth and yield attributes of Mentha piperita L. for 120 days after plantation (120 DAP) in Srinagar (J&K), India. A unique concentrations of irradiated sodium alginate ISA 80 (80 mgL-1) was prepared along with the combination doses of Nitrogen (N80) in the form of 20 kg ha-1, 40 kg ha-1, 60kg ha-1, 80 kg ha-1 and 100 kg ha-1 and 120 kg ha-1. The total of seven treatments was prepared viz, T1 (ISA 80 + N20 kg ha-1), T2 (ISA 80 + N40 kg ha-1), T3 (ISA 80 + N60 kg ha-1), T4 (ISA 80 + N80 kg ha-1), T5 (ISA 80 + N100 kg ha-1), T6 (ISA 80 + N120 kg ha-1) and T7 (Control as Double Distil Water). Among various foliar spray of irradiated sodium alginate, ISA 80 (80 mg L-1) along with nitrogen, N80 (80 kg N ha -1) proved to be the best over the control for overall parameters studied including growth, physiological, biochemical and yield attributes in Mentha piperita L. Among the growth attributes, the plant height showed increase by (40.58%), fresh weight by (54.08%), dry weight by (57.89%) were as the leaf yield per plant showed the maximum increase of 146.07 % over the control in Mentha piperita L. Besides, the same trend was noticed while analyzing the physiological and biochemical parameters which showed the maximum increase of 35.71 % by application of T4 (ISA 80 + N80 kg ha-1) in Carotenoid content over the control in Mentha piperita L. However, at T4 (ISA 80 + N80 kg ha-1), the yield attributes like essential oil content showed the increment by (26.31%), essential oil yield by (90.00%), herbage yield by (67.38%) over the control in M. piperita L.
Authors and Affiliations
Mohammad Afaan Fazili, Abdul Hamid Wani, Mohd Yaqoob Bhat
Keywords
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