Article 5315

Title of the article



Serkov Valerian Aleksandrovich, Doctor of agricultural sciences, senior staff scientist, Penza Research Institute of Agriculture (1b Michurina street, Lunino village, Penza region, Russia),
Khryanin Viktor Nikolaevich, Doctor of biological sciences, professor, sub-department of general biology and biochemistry, Penza State University (40 Krasnaya street, Penza, Russia),
Klimova Ludmila Vladimirovna, Research worker, Penza Research Institute of Agriculture (1b Michurina street, Lunino village, Penza region, Russia),

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Background. Currently, there is a need to raise harvest of fiber and seeds and to reduce cannabinoids in inflorescences and leaves of plants. In order to improve the technology of seed-production and cultivation of hemp in conditions of the Middle Volga, the authors conducted field experiments to study the effect of growth regulators on morphological, physiological and biochemical characteristics of plants for two years.
Materials and methods. The object of study was the «Surskaya» monoecious hemp variety. Plants were treated in a phase of 3 pairs of leaves with the following solutions: gibberellic acid (GA) at concentrations of 25, 30, 50 mg/l; auxin (IAA) –10, 20 mg/l; cytokinin (BAP) – 5, 10 mg/l; chlorine-choline-chloride (CCC) –6 mg/l; Na2SeO4 – 3 mg/l, and mixtures of IAA 15 mg/l + BAP 10 mg/l; IAA 15 mg/l + CCC 6 mg/l; BAP 10 mg/l + CCC 6 mg/l. The research was carried out at the key stages of ontogeny in accordance with the «Methodical guidelines for field and greenhouse experiments with hemp» (1980). The content of cannabinoids was determined by the gas-liquid chromatographic analysis.
Results. Growth regulators had a significant effect on the morphometric characteristics of plants: overall height, technical length of the stem and length of the interstitial space. The authors noted a decrease in normal excision of male hemp plants when treated with the mixture of chlorine-choline-chloride and cytokinin. A significant increase in crop straw and fiber was noted when treated with auxin.
Conclusions. The results make it possible to recommend some growth regulators (auxins, cytokinins, chlorine-choline-chloride) for usage in hemp production in order to increase the yield of fiber and straw of monoecious hemp.

Key words

cannabis sativa, plant growth regulators, auxin, cytokinin, gibberellic acid, cannabinoids, tetrahydrocannabinol, economically valuable indication.

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Дата создания: 19.01.2016 15:28
Дата обновления: 26.01.2016 13:59