Effect of different levels of macro nutrients (NPK) and mulching on growth, quality and yield of chrysanthemum (Dendranthema grandiflora) cv. Marigold

CHAITRA G S; SEETHARAMU G K; RAJIV KUMAR; MUNIKRISHNAPPA P M; SHIVANNA M

doi:10.56093/ijas.v88i6.80591

Authors

CHAITRA G S Assistant Horticulture Officer, Department of Horticulture, Government of Karnataka
SEETHARAMU G K Associate Professor, KRCC, Arabhavi
RAJIV KUMAR Principal Scientist, ICAR-IIHR, Bengaluru
MUNIKRISHNAPPA P M Associate Professor, Regional Horticultural Research and Extension Centre, College of Horticulture, University of Horticultural Sciences, Bengaluru, Karnataka 560 064
SHIVANNA M Professor, College of Horticulture, University of Horticultural Sciences, Bengaluru Campus, Karnataka 560 064

https://doi.org/10.56093/ijas.v88i6.80591

Keywords:

Chrysanthemum, Mulching, Nitrogen, Phosphorus, Potassium

Abstract

The present investigation was conducted to study the effect of different levels of nutrients (NPK) and mulching on various growth and flowering traits of chrysanthemum (Dendranthema grandiflora Tzvelev) cv. Marigold. The field experiment was laid out in randomized block design with five treatments and four replications during 2015- 16. The treatment consisted of different levels of nutrients and mulching, viz. 75% recommended dose of fertilizer
(RDF) with mulching, 100% RDF with mulching, 125% RDF with mulching, 150% RDF with mulching and 100% RDF without mulching (control) and RDF was 120:150:100 kg NPK per ha. Results revealed that application of 150% RDF with mulching resulted in increased plant height (51.78 cm), leaf area (88.62 cm2), plant spread (N-S, 55.07 cm and E-W, 52.39 cm), number of laterals/plant (22.83) and number of suckers (11.17) after 120 days after planting (DAP). The same treatment has influenced early bud initiation (73.05 days), 50% flowering (103.60 days),
increased flower diameter (5.44 cm), number of sprays per plant (14.40), highest flower yield per plant (658.35 g), and yield per ha (24.38 t), however, increased shelf life (6.55 days) was recorded from 125% RDF with mulching after 120 days after planting.

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