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ThesisItem Open Access Effect of seed rate and row spacing on quality seed production of fenugreek (Trigonella foenum graecum L.)(CCSHAU, 2017) Pawan Kumar; Phor, S.K.The experiment entitled Effect of seed rate and row spacing on quality seed production of fenugreek (Trigonella foenum graecum L.) was conducted at Research Farm of Department of Vegetable Science, CCS Haryana Agricultural University, Hisar during winter season of 2016-17. The seed material used for the experiment was a released variety Hisar Sonali. The investigation comprising of five different seed rate (16, 18, 20, 22 and 24kg/ha) and three row spacing (20, 30 and 40cm) was laid out in a factorial randomized block design with three replications with a plot size of 2.4 x 4.0m. Ten competitive plants are selected randomly from each plot to record data on various attributes, which were affected significantly with different seed rate and row spacing. Seed rate resulted significant improvement in all the growth, seed yield and seed quality parameters. The uppermost value for number of branches per plant, days to 50% flowering, number of pods per plant, pod length, number of seeds per pod, test weight and germination percentage were recorded with seed rate of 16kg/ha. However, the plant height, biological yield, harvest index, seedling length, seedling dry weight, vigour index-I and vigour index-II were recorded utmost at seed rate of 24kg/ha. Whereas, the highest seed yield per plot and per hectare were recorded with a seed rate of 20kg/ha. Different row spacing had a significant effect on growth, seed yield and seed quality parameters. The maximum value for plant height was recorded with row spacing of 20cm. The number of branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod, pod length, seed yield per plot and per hectare, biological yield, harvest index, test weight, germination percentage, seedling length, seedling dry weight, vigour index-I and vigour index-II were recorded highest with a row spacing of 40cm. Interaction of various seed rates with different row spacing results remarkable variation for growth, seed yield and seed quality parameters. Significantly highest value were recorded for number of branches per plant, number of pods per plant, pod length, number of seeds per pod, test weight and germination percentage with treatment combination S1R3, i.e. seed rate 16kg/ha and row spacing of 40cm. The treatment combination S5R3, i.e. seed rate 24kg/ha and row spacing of 40cm, was found to be best with respect to biological yield, harvest index, seedling length, seedling dry weight, vigour index-I and vigour index-II. However, the maximum seed yield per plot and per hectare recorded with treatment combination S3R3, i.e. seed rate 20kg/ha and row spacing of 40cm.