Effect of bulb size and growth regulators on flower and bulb production in chincherinchee (Ornithogalum thyrsoides)
2015
Slathia, Divya | Pandey, R.K. | Laishram, Nomita | Singh, Arvinder
A field experiment was carried out to study the effect of bulb size and growth regulators application on cut flower and bulb production of ornithogalum. The experiment was laid down in factorial Randomized Block Design with 21 treatments replicated thrice. Three different bulb sizes were treated with three concentrations each of GA₃ and BA. Findings revealed that application of GA₃ @ 200 ppm on large bulb size (3–4 cm diameter) has higher potential in enhancing sprouting of bulb and initiation of flowering earlier (17.60 and 181.36 days, respectively) and the same treatment also increased the number of floret per spike, bulb weight and bulb diameter as compared to other treatments. However, maximum vase life (16.66 days), maximum number of daughter bulbs per plant (5.10) and highest B: C ratio (3.06: 1) were recorded with the application of 100 ppm BA applied on large bulbs.
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