Effect of seed rate and nitrogen levels on seed yield and quality of kasuri methi (Trigonella corniculata L.)
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Date
2019
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CCSHAU
Abstract
The experiment entitled Effect of seed rate and nitrogen levels on seed yield and quality of kasuri methi (Trigonella corniculata L.) was conducted at Research Farm of Department of Vegetable Science, CCS Haryana Agricultural University, Hisar during rabi season of 2018-19. The investigation comprising of four different seed rate and three nitrogen level was laid out in a factorial randomized block design with three replications with a plot size of 3.0 x 2.4 m. The uppermost value for plant height, pod length, number of branches per plant, number of clusters per plant, number of pods per cluster, number of pods per plant, number of seeds per pod, test weight, germination percentage, seedling length, seedling dry weight, seed vigour index I, seed vigour index II were recorded with seed rate of 7.5 kg/ha. However, seed rate of 12 kg/ha took minimum number of days to 50% flowering and to maturity. Biological yield, harvest index and seed yield were recorded highest with seed rate of 10.5 kg/ha which was at par with seed rate of 9.0kg/ha. Different nitrogen level had a significant effect on growth, seed yield and seed quality parameters. The maximum value for plant height, pod length, number of seeds per pod, biological yield, test weight, seedling length, seedling dry weight, seed vigour index I and vigour index II was recorded with nitrogen dose of 60 kg/ha. The number of branches per plant, number of cluster per plant, number of pods per cluster, number of pods per plant, seed yield, harvest index and standard germination percentage attained utmost with 40 kg/ha while days to 50 percent flowering and days to maturity recorded highest with 20 kg/ha. Interaction of various seed rates with different nitrogen levels results remarkable variation for growth, seed yield and seed quality parameters. Significantly higher values were recorded for plant height at maturity, pod length, number of seeds per pod, test weight, standard germination percentage and seedling length with treatment combination N3S1, i.e. seed rate 7.5 kg/ha and nitrogen dose of 60 kg/ha. The treatment combination N2S1, i.e. seed rate 7.5 kg/ha and nitrogen dose of 40 kg/ha, was found to be best with respect to number of branches per plant, number of cluster per plant, number of pods per cluster and number of pods per plant. The seed yield and harvest index were recorded utmost at N2S3 i.e. nitrogen dose of 40 kg/ha and seed rate of 10.5 kg/ha which was at par with N2S2 i.e. 40kg N/ha and seed rate of 9.0 kg/ha. Whereas, biological yield was utmost at N3S3 i.e. nitrogen dose of 60 kg/ha and seed rate of 10.5 kg/ha. However the days to 50 percent flowering, days to maturity, seedling dry weight, seed vigour index I and II interacted non-significantly with interaction of nitrogen and seed rate.
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