Effect of different planting time and mulching on growth and flowering of tuberose
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Date
2023-07
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CCSHAU, Hisar
Abstract
The present investigation entitled, “Effect of different planting time and mulching on growth and flowering of tuberose (Polianthes tuberosa L.)” was conducted during 2022-2023 at the Research Farm of Agri-tourism Centre of CCS HAU Hisar (Haryana). The experiment was laid out in split plot design with four planting dates viz. 15th April, 27th April, 10th May, and 25th May and five mulch treatments viz. wheat straw mulch, silver- black plastic mulch, white polyethylene mulch, newspaper mulch and no mulch (control). In the present study, most of the growth, floral and bulb parameters were significantly influenced by the dates of planting and application of mulch materials, but their interaction was observed non-significant. Among different planting dates, crop planted on 15th April performed better in terms of most of the growth, development, flowering and bulb parameters and it was closely followed by crop planted on 27th April in qualitative parameters as compared to later dates of planting. In general, mulching improved the production and quality of spikes, bulbs as well as bulblets, but the higher net returns over un-mulched was observed with wheat straw mulch and silver-black plastic mulch. Further, the silver-black plastic mulch was found most effective in reducing the population of weeds, the mulching of wheat straw (3‟‟ thick) was observed most effective in the production of marketable spikes, sizeable bulbs, bulblets and the higher net return and B:C ratio. Earlier sprouting, earlier flowering, longest spike and highest number of florets on spike were the additional benefit of wheat straw mulch.