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Correlations between delayed fluorescence of chlorophyll, metabolism and yield of plants. III. Influence of viral infection on field plants and new technology of clone selection of virus-free planting potato
Research and Industry Center of Photosynthesising Organisms, Fееd Additives and Physiologically Active Compounds, Yerevan, Armenia
- 1 Research and Industry Center of Photosynthesising Organisms, Fееd Additives and Physiologically Active Compounds, Yerevan, Armenia
Journal of Biophysical Chemistry·Volume 01 (2010)·Pages 58–63·Published 31 May 2010·DOI10.4236/jbpc.2010.11007
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Abstract
At the end of potato plants vegetation virus in-fection induced both decrease in maximum amplitude of delayed fluorescence maximal amplitude and increase half time of its decrease, as well as reduction in the amount of stems, plants’ height and assimilation area surface, yield, acceleration of plants development and their early die-off. The differences of DF pa-rameters and yields between strongly and weakly infected plants increase in case of a combined virus infection. In industrial test of the selection of virus-free planting potato by the use of DF parameter, a rise in the yield and de-crease degree of viral infection of crops was obtained.
KeywordsPotatoDelayed Fluorescence Of ChlorophyllVirusPhonological StageYieldClone SelectionVirus-Free Planting Potato
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