Growth promotion and preservation of bare rooted plants of Dracaena sanderiana for commercialization

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2011

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Abstract

Bare rooted Dracaena sanderiana is a popular indoor plant with high commercial potential. D. sanderiana top cuttings were dipped in different growth promoting substances and preservatives to obtain disease free bare rooted plants within a short period of time. The six treatments tested included, three concentrations of chitosan, an organic root promoting extract, NaOCl and vinegar. Chitosan 0.002% w/v solution was found to be the most effective rooting substance. Plants grown in this solution had the highest root length (8.7 ± 0.8cm) and highest root number per plant (44.7 ± 2.2). Lowest number of Colony Forming Units (CFUs) of bacteria was recorded from the chitosan 0.002% w/v solution (18. 8 ± 3.3) compared to tap water (control) (233.2 ± 7.7). Considering both preservative and growth promoting effects, chitosan 0.002% w/v solution can be recommended for the production of disease free bare rooted plants within a short period of time.

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Chitosan, Dracaena sanderiana, Bare rooted plants, Export simulation

Citation

Gunathilake, C. and Abeywickrama, K.P., 2011. Growth promotion and preservation of bare rooted plants of Dracaena sanderiana for commercialization. Tropical Agricultural Research and Extension, 14(1), pp.1-4.

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