EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON GROWTH AND SEED YIELD OF CORIANDER (Coriandrum sativum L.) CULTIVARS UNDER TELANGANA CONDITIONS

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Date
2018-11-20
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College of Horticulture, Rajendranagar, HYD-30
Abstract
The present investigation entitled “Effect of integrated nutrient management on growth and seed yield of coriander (Coriandrum sativum L.) cultivars under Telangana conditions” was carried out during the rabi season of the year 2017-18 at College of Horticulture, Rajendranagar, Hyderabad. The results revealed that, among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded significantly higher plant height (94.42 cm), more number of secondary branches per plant (16.75) and broader leaf area (76.67 cm²) as compared to other treatments. Between the varieties, the variety V2-Suguna recorded significantly the highest plant height (86.71cm), more number of secondary branches per plant (14.84) and maximum leaf area (72.63 cm²) than the variety AD-1, whereas days taken to 50 and 100 per cent seed germination did not differ significantly due to the application of various integrated nutrient sources in both the varieties. The interaction between treatments and varieties significantly influence the growth parameters. The treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly higher plant height (97.67 cm), more number of secondary branches per plant (18.30) and bigger leaf area (79.73 cm2). All treatments differed significantly with respect to flowering parameters. Among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded minimum number of days taken to first flowering (41.00 days), 50 per cent flowering (49.65 days), maximum number of umbels per plant (34.85) and umbellate per umbel (8.25). The variety V2-Suguna recorded significantly the least number of days taken to first flowering (44.73 days), 50 per cent flowering (52.55 days) more number of umbels per plant (31.58) and umbellate per umbel (7.76) than the variety AD-1. The interaction of treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly minimum number of days taken to first flowering (39 days), 50 per cent flowering (47.30 days), maximum number of umbels per plant (37.50) and umbellate per umbel (8.53). All treatments differed significantly with respect to yield parameters. Among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded maximum number of seeds per umbel (37.75), test weight (13.13 g), seed yield per plant (5.00 g), seed yield per plot (350.00 g), seed yield per hectare (1166.67 kg) and minimum number of days taken to seed setting and seed harvest (86 days and 92.55 days) respectively. Between the varieties, the variety V2-Suguna recorded significantly maximum number of seeds per umbel (34.48), test weight (12.10 g), seed yield per plant (4.40 g), seed yield per plot (308.00 g), seed yield per hectare (1026.67 kg) and minimum number of days taken to seed setting and seed harvest (84.03 days and 95.05 days) respectively. The interaction between treatments and varieties significantly influence the yield parameters. The treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly maximum number of seeds per umbel (40.40), test weight (13.71 g), seed yield per plant (5.50 g), seed yield per plot (385.00 g), seed yield per hectare (1283.33 kg) and minimum number of days taken to seed setting and seed harvest (78.43 days and 89.46 days) respectively. The results pertaining to soil and plant nutrient status, showed that, among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded significantly higher availability of nitrogen (83.25 kg acre-1), phosphorous (25.25 kg acre-1) and potassium (71.25 kg acre-1) in soil and also higher nitrogen, phosphorous and potassium content in dry herb (1.53%, 0.27% and 1.64%) respectively. Seed yield per plant was significantly positively correlated with plant height, number of secondary branches per plant, leaf area, number of umbels per plant, umbellate per umbel, seeds per umbel and test weight and significantly negatively correlated with days taken to first and 50 per cent flowering, days taken to seed setting and seed harvest. The data on economics showed that, the treatment combination F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded the highest gross return (Rs.1,92,500), net return (Rs.1,33,533) with cost benefit ratio (1:2.26) but highest cost benefit ratio was recorded in the treatment combination F1-100% RDF (15-40-20 NPK Kg ha-1) with the variety V2-Suguna (1: 2.63).
Description
The present investigation entitled “Effect of integrated nutrient management on growth and seed yield of coriander (Coriandrum sativum L.) cultivars under Telangana conditions” was carried out during the rabi season of the year 2017-18 at College of Horticulture, Rajendranagar, Hyderabad. The results revealed that, among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded significantly higher plant height (94.42 cm), more number of secondary branches per plant (16.75) and broader leaf area (76.67 cm²) as compared to other treatments. Between the varieties, the variety V2-Suguna recorded significantly the highest plant height (86.71cm), more number of secondary branches per plant (14.84) and maximum leaf area (72.63 cm²) than the variety AD-1, whereas days taken to 50 and 100 per cent seed germination did not differ significantly due to the application of various integrated nutrient sources in both the varieties. The interaction between treatments and varieties significantly influence the growth parameters. The treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly higher plant height (97.67 cm), more number of secondary branches per plant (18.30) and bigger leaf area (79.73 cm2). All treatments differed significantly with respect to flowering parameters. Among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded minimum number of days taken to first flowering (41.00 days), 50 per cent flowering (49.65 days), maximum number of umbels per plant (34.85) and umbellate per umbel (8.25). The variety V2-Suguna recorded significantly the least number of days taken to first flowering (44.73 days), 50 per cent flowering (52.55 days) more number of umbels per plant (31.58) and umbellate per umbel (7.76) than the variety AD-1. The interaction of treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly minimum number of days taken to first flowering (39 days), 50 per cent flowering (47.30 days), maximum number of umbels per plant (37.50) and umbellate per umbel (8.53). All treatments differed significantly with respect to yield parameters. Among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded maximum number of seeds per umbel (37.75), test weight (13.13 g), seed yield per plant (5.00 g), seed yield per plot (350.00 g), seed yield per hectare (1166.67 kg) and minimum number of days taken to seed setting and seed harvest (86 days and 92.55 days) respectively. Between the varieties, the variety V2-Suguna recorded significantly maximum number of seeds per umbel (34.48), test weight (12.10 g), seed yield per plant (4.40 g), seed yield per plot (308.00 g), seed yield per hectare (1026.67 kg) and minimum number of days taken to seed setting and seed harvest (84.03 days and 95.05 days) respectively. The interaction between treatments and varieties significantly influence the yield parameters. The treatment combination, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded significantly maximum number of seeds per umbel (40.40), test weight (13.71 g), seed yield per plant (5.50 g), seed yield per plot (385.00 g), seed yield per hectare (1283.33 kg) and minimum number of days taken to seed setting and seed harvest (78.43 days and 89.46 days) respectively. The results pertaining to soil and plant nutrient status, showed that, among the treatments, F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) recorded significantly higher availability of nitrogen (83.25 kg acre-1), phosphorous (25.25 kg acre-1) and potassium (71.25 kg acre-1) in soil and also higher nitrogen, phosphorous and potassium content in dry herb (1.53%, 0.27% and 1.64%) respectively. Seed yield per plant was significantly positively correlated with plant height, number of secondary branches per plant, leaf area, number of umbels per plant, umbellate per umbel, seeds per umbel and test weight and significantly negatively correlated with days taken to first and 50 per cent flowering, days taken to seed setting and seed harvest. The data on economics showed that, the treatment combination F3-75% RDF + Vermicompost @ 5t ha-1 + Azospirillum and PSB (5g Kg-1 of seed as seed inoculation + 5 Kg ha-1 as soil application) with the variety V2-Suguna recorded the highest gross return (Rs.1,92,500), net return (Rs.1,33,533) with cost benefit ratio (1:2.26) but highest cost benefit ratio was recorded in the treatment combination F1-100% RDF (15-40-20 NPK Kg ha-1) with the variety V2-Suguna (1: 2.63).
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Citation
Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad-30
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