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Forests 2015, 6(9), 3165-3176; doi:10.3390/f6093165

Effect of Chitosan on Disease Control and Growth of Scots Pine (Pinus sylvestris L.) in a Forest Nursery

1
Department of Forest Protection and Ecology, Faculty of Forestry, Warsaw University of Life Sciences, Nowoursynowska 159, Warsaw 02-776, Poland
2
Department of Biochemistry, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Nowoursynowska 159, Warsaw 02-776, Poland
3
Department of Silviculture, Faculty of Forestry, Warsaw University of Life Sciences, Nowoursynowska 159, Warsaw 02-776, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Audrius Menkis
Received: 26 June 2015 / Revised: 3 August 2015 / Accepted: 18 August 2015 / Published: 11 September 2015
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Abstract

Chitosan has become a promising biological agent for disease control and plant growth promotion. The objective of this study was to assess the effects of chitosan, applied as an active ingredient of Beta-chikol (Poli-Farm, Łowicz, Poland), to control damping-off and Lophodermium needle cast on Scots pine seedlings growing in field conditions. Beta-chikol was used for seed treatment and as a foliar spray at recommended rates and concentrations. For each experimental variant (chitosan, fungicides, unprotected), inventories of seedlings were performed, after germination and again after six weeks. In the aboveground parts of seedlings, the concentration of endogenous salicylic acid was determined by HPLC. At the end of the growing season, seedling growth parameters were determined. Beta-chikol used as foliar spray limited infection by the damping-off fungi but was ineffective when used as a seed treatment. Lophodermium needle cast was not observed during the study period. After the application of Beta-chikol, the concentration of salicylic acid did not increase. The application of Beta-chikol enhanced all growth parameters under investigation. Our results indicate the possibility of using chitosan in the form of Beta-chikol to stimulate plant growth and protect pine seedlings against parasitic damping-off in forest nurseries. View Full-Text
Keywords: Beta-chikol; chitosan; Pinus sylvestris; salicylic acid; growth stimulation; disease control Beta-chikol; chitosan; Pinus sylvestris; salicylic acid; growth stimulation; disease control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Aleksandrowicz-Trzcińska, M.; Bogusiewicz, A.; Szkop, M.; Drozdowski, S. Effect of Chitosan on Disease Control and Growth of Scots Pine (Pinus sylvestris L.) in a Forest Nursery. Forests 2015, 6, 3165-3176.

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