期刊
PERIODICO TCHE QUIMICA
卷 17, 期 35, 页码 781-790出版社
TCHE QUIMICA GROUP
关键词
growth stimulators; growth processes; synthesized organic compounds; ornamental plants
资金
- Ministry of Science and Higher Education of the Russian Federation [FZGU-2020-0044]
The results of a study of the action of compounds of the general formula: 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2-dihydroquinoline and 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2,3,4-tetrahydroquinoline are presented. The most effective growth stimulants from compounds of the series 1-alkyl-2,2,4-trimethyl-6aminocarbothioyl-1,2-dihydroquinoline and 1-alky1-2,2,4-trimethyl-6-aminocarbothioyl-1,2,3,4-tetrahydroquinoline for yellow rhododendron (Rhododendron luteum) and Ledebur rhododendron (Rhododendron ledebourii) were revealed. Rhododendron seedlings were counted to study laboratory germination and planted in crates in closed ground on 21 days after the start of the experiment. It was established that the synthesized chemicals cause stimulation of the growth of species of the genus Rhododendron in comparison with existing commercial preparations. The efficiency of using solutions of compounds of the series 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2-dihydroquinoline and 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2,3,4-tetrahydroquinoline and their concentrations. A method of using compounds of this series as growth stimulants is disclosed, which allows increasing seed germination of species of the genus Rhododendron from 20 to 50%, increasing the height of Rhododendron luteum seedlings from 18 to 63%, and Rhododendron ledebourii from 33 to 183 %. Dihydroquinolines are most effective for species of the genus Rhododendron. Compounds containing a dihydro-6-quinolinyl substituent stimulate the growth of these plants. The specificity of the action of growth stimulants is noted. The expediency of using quinoline series compounds for the production of planting material of ornamental plants for landscaping is shown. It is suggested the auxin activity of compounds of the general formula: 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2-dihydroquinoline and 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2,3,4tetrahydroquinoline. It is assumed that compounds of the series 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2-di-hydroquinoline and 1-alkyl-2,2,4-trimethyl-6-aminocarbothioyl-1,2,3,4-tetrahydroquinoline may have the stressprotective activity for species of the genus Rhododendron. The materials of the article are of practical value for biologists, ecologists, plant growers.
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