Formation and functioning of source-sink relation system of oil poppy under treptolem treatment towards crop productivity

V. G. Kuryata, S. V. Polyvanyi


We studied the action of synthetic growth stimulator (treptolem) on the morphogenesis, leaf mesostructure, redistribution of assimilates, and nutrients between organs of oil poppy (Papaver somniferum L.) in ontogenesis, productivity and structure of crop. Optimization of production process of oil poppy under the influence of growth stimulator is realized through the source-sink relation system of the plant. Obtained results testify the essential role of morphological and mesostructural components in regulation of source-sink relation system of oil poppy. Appplcation of treptolem’s growth stimulating contributed the formation of more powerful donor sphere and increased the number and mass of leaves, the area of leaf surface and the leaf index. It was found that the reason of such morphological changes caused significant increase in branching of the stem by the action of treatment. The intensification of donor function poppy plants by treptolem also occurred as a result of mesostructural changes in the leaves. Treptolem application induced formation of a more powerful layer of chlorenchymes - the main photosynthetic tissues of plant, linear sizes of chlorenchymal cells and chlorophylls content increased in them. In that case, the intensification of growth processes at the beginning of vegetation under the influence of preparation led to forme a more powerful donor potential of the plant per unit of cenosis area, which created prerequisites to increase the productivity of culture. It was found that the consequence of such changes was an increase of the content of nonstructural carbohydrates (sugar + starch) in vegetative organs of treated variant in compared with the control of intense growth. Treatment showed apparent branching of the stems, that induced a larger number of flowers and fruitcases were laid an increase of acceptor capacity of plant. The result of these changes was determined by more intensive flow of nonstructural carbohydrates on the formation and growth of fruits in the variant with treptolem. In the flowering phase in the roots and leaves of plants, it was observed the highest content of nitrogen that during the formation and growth of the fruit was remobilized on the carpogenesis process. At the same time, the more intensively use of nitrogen by the vegetative organs of the poppy plants to form the fruitcases was in the variant with treptolem. It was noted the lower levels of phosphorus in the leaves and potassium in the vegetative organs of oil poppy in the variant of treptolem treated plant. It testifies that preparation treatment contributed to the more intensive reutilisation of nitrogen, phosphorus, and potassium compounds in fruit formation. The intensified flow of assimilates and nitrogen-containing compounds together with nutrients to a greater number of implanted fruits provided the growth of crop yields (by increase in the number of cases, the mass of seeds in case, and the mass of a single seed). It is confirmed that there is negative correlation between accumulation of oil and content of nitrogen. It was established that application of treptolem increased the content of unsaturated higher fatty acids in oil poppy. An important practical result of the research should be considered that treptolem treatment increased the content of alkaloids in the seeds of poppy plants, which could e useful in pharmacological industry. We proved that treptolem application during the budding period on the poppy seed leads to increase the yield of crop due to optimized morphological structure of plant, the mesosurface structure of leaf; it is also increased the potential trapping due to the laying and formation of a greater number of fruits.


Papaver somniferum L.; growth regulators; morphogenesis; productive process; quality of product

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