Effect of Planting Geometry and Nitrogen on Growth, Yield and Quality of Chrysanthemum (Chrysanthemum coronarium L.)

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Date
2014-12-31
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College of Horticulture and Forestry, Jhalawar
Abstract
A field experiment was conducted during Rabi season of 2013-14 to study “Effect of Planting Geometry and Nitrogen on Growth, Yield and Quality of Chrysanthemum (Chrysanthemum coronarium L.)” at the Instructional Farm, Department of Floriculture & Landscaping, College of Horticulture & Forestry, Jhalarapatan, Jhalawar. The experiment consisted of 16 treatment combinations of four spacing (S1- 30 cm x 30 cm, S2- 30 cm x 45 cm, S3- 45 cm x 45 cm, S4- 45 cm x 60 cm) and four nitrogen levels (N0- 0 kg, N1- 100 kg, N2- 150 kg, N3- 200 kg N/ha), laid out in factorial randomized block design with three replications. The treatment S4N3 (45 cm x 60 cm spacing + N 200 kg/ha) recorded the maximum plant spread (2643.24 cm2), number of primary branches per plant (41.90), number of leaves per plant (1013.20), leaf width (3.85 cm), leaf length (6.34 cm), number of flowers per plant (98.24), flower yield per plant (605.48g), duration of flowering (64.33 days), fresh flower weight (6.16 g), dry weight of flower (883 mg), flower diameter (6.18 cm) and nitrogen content of plants (7.02%), while the treatment S1N3 (30 cm x 30 cm spacing + N 200 kg/ha) had the maximum plant height (92.58 cm), flower yield per plot (11.85 kg), flower yield per ha (182.87 q) and B:C ratio (3.71:1). Application of nitrogen levels and planting geometries significantly influenced the number of days taken for first flower bud appearance and 50 percent flowering with the earliest first flower bud appearance (47.33 days) and 50 percent flowering (64.83 days) at S1 (30 cm x 30 cm spacing), similarly nitrogen at N0 (N 0 kg/ha) had the earliest first flower bud appearance (46.75 days) and 50 per cent flowering (63.25 days), while nitrogen at N3 (200 kg/ha) had the latest first flower bud appearance (55.33 days) and 50 per cent flowering (69.42 days).
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Effect of Planting Geometry and Nitrogen on Growth, Yield and Quality of Chrysanthemum (Chrysanthemum coronarium L.)
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