Effect of integrated nutrient management on growth, seed yield and quality of coriander (Coriandrum sativum L.)

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Date
2019
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CCSHAU
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The present investigation was carried out at Vegetable Research Farm and in the laboratories of the Department of Seed Science and Technology, CCS Haryana Agricultural University, Hisar to assess the effect of integrated nutrient management on seed yield, quality and relative storability in coriander. The material comprised of newly developed coriander variety “Hisar Bhoomit” which was grown with eighteen treatment combinations of organic manures, inorganic fertilizers and biofertilizers. All the treatment combinations were evaluated for different growth, seed yield, quality, and storability parameters. Experimental results revealed that the application of 100 per cent recommended dose of nitrogen (60 kg per ha) through inorganic sources (T1) along with biofertilizers (Azotobacter and PSB) recorded superior performance over other treatments with significantly higher values for all the growth and yield attributes viz, Plant height, number of branches per plant, number of umbellets per umbel, number of seeds per umbel , number of seeds per umbellet , seed yield per plant (g), seed yield (kg/ha), biological yield (kg/ha) and harvest index (%). The net returns and benefit cost ratio was also found highest in this treatment during both the years of experimentation. However, the seed inoculation with azotobacter and phosphate solubilizing bacteria (PSB) along with recommended dose of nitrogen through vermicompost (T5) recorded significantly higher test weight (g), standard germination (%), seedling length (cm), seedling dry weight (mg), vigour index –I, vigour index –II, dehydrogenase activity (OD g-1 ml-1), superoxidase dismutase (mg protein-1 min-1), field emergence index, seedling establishment (%) and minimum electrical conductivity (μ S cm-1 g-1). The same treatment also recorded significantly higher relative storability as adjudged by standard germination, seedling length, seedling dry weight, vigour index –I, vigour index –II and minimum electrical conductivity (696.92 μ S cm-1 g-1) after accelerated ageing of seed for 24, 48, 72, 96 and 120 hours at 40±1⁰C at 100% relative humidity.
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