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Vol. 10, Issue 4 (2021)

Influence of pruning time and pruning height on growth and flowering of Winter Jasmine (Jasminum multiflorum [Burm. f.] Andr.)

Author(s):
R Suresh Kumar, M Ganga, K Rajamani and S Srinivasan
Abstract:
An investigation was carried out during 2019-2020 at the Department of Floriculture and Landscape Architecture, Tamil Nadu Agricultural University, Coimbatore to study the effect of pruning time and pruning height on growth and flowering of Jasminum multiflorum. Pruning back of three year old plants was done to a height of 45 cm or 60 cm from the ground level at monthly intervals from August to March. The study led to the inference that pruning to 60 cm height during the last week of September resulted in the maximum plant height (148.80 cm) at flowering (90 DAP), pruning during last week of February resulted in the maximum number of primary branches (25.34) and pruning during the last week of November resulted in the maximum number of secondary branches (176.27). The peak flower yield (350.28 g/plant/month) was recorded during December and this is the characteristic feature of J. multiflorum due to which it is rightly called as the ‘Winter jasmine’. The total flower yield during winter (Nov–Feb) was highest (350.28 g/plant) in the plants pruned to 60 cm height during the last week of September.
This study led to the inference that the ideal pruning season is September and the ideal pruning height is 60 cm from ground level for J. multiflorum to obtain high flower bud yield during winter (Nov–Feb). This will enable availability of flowers of J. multiflorum during the off-season of the three commercially cultivated jasmine species namely, J. sambac, J. grandiflorum and J. auriculatum.
Pages: 1034-1037  |  450 Views  157 Downloads


The Pharma Innovation Journal
How to cite this article:
R Suresh Kumar, M Ganga, K Rajamani, S Srinivasan. Influence of pruning time and pruning height on growth and flowering of Winter Jasmine (Jasminum multiflorum [Burm. f.] Andr.). Pharma Innovation 2021;10(4):1034-1037.
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