Abstract
Natural rubber is a valuable polymer used in a wide variety of industries, from tire manufacturingto medical products and applications in the food industry. The tau-sagyz rubber plant (Scozonera tausaghyzLipcsh et Bosse) is one of the few plants in the world that can be used in the production of naturalrubber when cultivated in culture. To increase the productivity of plants, it is necessary to establish factorsaffecting the biosynthesis of natural rubber. In our studies, the level of pigments (chlorophyll–a, b, carotenoids)was chosen as a factor that may have a positive effect on the accumulation of rubber in the roots ofS. tau-saghyz. For this purpose, samples (leaves, roots) were taken from 3 groups of plants (north, south,east) in the Karatau mountains of the Kurman-Tas range. The extraction of pigments from leaf samples wascarried out with acetone, and the extraction of rubber from the roots was carried out with hexane. The obtaineddata on the content of pigments and rubber in the samples were statistically processed using the t-testand Pearson correlation analysis. As a result, a statistical difference in the values of pigment accumulationin leaves and rubber in roots between the 3 studied groups of plants is shown. On the other hand, a very lowlevel of correlation was found between the accumulation of pigments in the leaves and rubber in the roots inall three groups. The obtained results reliably showed that the level of pigment accumulation in the leavesdoes not affect the accumulation of rubber in the roots of Tau-sagyz.
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