EFFECT OF NUMBER OF PLANTS PER POT, POT SPACING AND PHOTOPERIOD ON PRODUCTION OF POTTED CHRYSANTHEMUM (Dendranthema grandiflora Tzvelev)
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Date
2013
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ABSTRACT
The investigation on “Effect of number of plants per pot, pot spacing and photoperiod on production of potted chrysanthemum (Dendranthema grandiflora Tzvelev)” were carried out at the experimental farm of the department of Floriculture and Landscaping of Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan (H.P) during 2011-12 under controlled and natural photoperiods in six inch plastic pots in naturally ventilated polyhouse. The study was conducted on a newly developed selection ‘UHFSChr56’ of chrysanthemum. Pots containing a mixture of sand, soil and FYM (1:1:1 v/v). The planted pots containing one, two and three cuttings were spaced at different distance viz. 9, 12 and 15 inch. Findings revealed that chrysanthemum selection ‘UHFSChr-56’ can be grown successfully as pot mum under both natural as well as controlled photoperiodic conditions. Earlier arrival of visible bud formation stage was noticed in pots containing one plant per pot spaced at 9 inch apart and grown under controlled photoperiodic conditions (93.17 days). In general, controlled photoperiod, when applied was found better for flowering over natural photoperiod. Flowering was observed much earlier under controlled photoperiod (125.50 days) with improved quality of plants as compared to natural photoperiod (191.22 days). Eight treatments comprising of one, two and three plants per pot grown at a pot spacing of 9 inch under controlled photoperiodic condition, and one plant at 9 inch pot spacing, one and two plants at a pot spacing of 12 inch and 15 inch, both under natural photoperiodic condition, out of 18 treatment combinations resulted in the production of most presentable square shaped plants in six inch plastic pots.
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planting, photoperiodicity, spacing, developmental stages, chrysanthemum, budding, animal products, horticulture, biological development, harvesting, chrysanthemum (Dendranthema grandiflora Tzvelev, number of plants per pot, pot spacing and photoperiod on production