Effect of Planting Date and Spacing in Annual Chrysanthemum(Chrysanthemum coronariumL.)
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Date
2023-10-20
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Sher-e-Kashmir University of Agricultural Sciences & Technology of Jammu
Abstract
The present investigation entitled “Effect of planting date and spacing in Annual Chrysanthemum (Chrysanthemum coronarium L.)” was conducted at the Experimental Farm, Division of Floriculture and Landscaping, Sher-e-Kashmir University of Agricultural Sciences and Technology, Chatha during the year 2022-2023. The experiment was laid out in randomized complete block design consisting of 12 treatment combinations viz., four planting dates (D1 - 10th October , D2 - 25th October, D3 - 10th November and D4 - 25th November) and three levels of spacing (S1 - 30 cm × 30 cm , S2 - 45 cm × 45 cm and S3 - 60 cm × 60 cm). The results revealed that among various planting date, 10th October planting date was found to be superior in terms of plant height (154.49 cm), plant spread (6361.09 cm2), number of side shoots per plant (14.24), number of flowers per plant (154.58), flower weight (5.36 g), flower diameter (6.57 cm), flowering duration (35.29 days), flower yield per plant (810.29 g/plant), seed yield per plant (36.69 g/plant), shelf life (8.49 days) and chlorophyll content (26.08 SPAD value) while minimum days taken to bud initiation (81.40 days) and 50 per cent flowering (117.27 days) were observed in 25th November planting date. Among various spacing levels, 45 cm × 45 cm spacing was found superior in terms of plant height (149.39 cm), number of side shoots per plant (13.45), plant spread (6346.27 cm2),days to bud initiation (83.03 days), days to 50 % flowering (120.17 days), number of flowers per plant ( 152.23), flower weight (4.90 g), flower diameter (6.52 cm), flowering duration (35.20 days), flower yield per plant (810.29 g/plant), seed yield per plant (35.97 g/plant), shelf life (5.45 days) and chlorophyll content (24.75 SPAD value). The highest B: C ratio (5.26) was recorded maximum with the treatment combination (D1S1) which was closely followed by D4S1 and D2S1. It can be concluded from the experiment that 10th October planting date with 45 cm x 45 cm spacing can be recommended for better performance of annual chrysanthemum under Jammu region
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Singh, T. 2023. Effect of planting date and spacing in Annual Chrysanthemum (Chrysanthemum coronarium L.). M. Sc. Thesis, SKUAST-Jammu, India.