Comparative analysis of photosynthetic indicators in freesia hybrids on the Black sea coast of Krasnodar region O.B., (2017): Comparative analysis of photosynthetic indicators in freesia hybrids on the Black sea coast of Krasnodar region . Hort. Sci. (Prague), 44: 99-104.
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The paper discusses some features in Freesia refracta pigment system and possible use of this option as a plant diagnostic characteristic on the resistance in limiting environments. The study included freesia cultivars and hybrid forms selected in the Russian Research Institute of Horticulture and Subtropical Crops, which had different flowering terms. A detailed analysis was provided on any changes in the photosynthetic pigments content during the growing process. There are parameters of slow chlorophyll fluorescence induction (vitality index, ratio of photosynthetic activity and estimated coefficient of photosynthetic activity) in the leaves of different cultivars and hybrid forms. In order to determine the dependences between photosynthetic pigments content and parameters of slow chlorophyll fluorescence induction in freesia cultivars and hybrid forms pair correlation coefficient; it was calculated between these features among all hybrids and cultivars in general. The relationship recorded between optical indicators, and structural features of the pigment system will allow us to develop a method of rapid diagnosis of photosynthetic activity in freesia on the Black Sea coast of the Krasnodar region.
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