biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 15:318-323, 1973 | DOI: 10.1007/BF02922443

Cytokinin activity of some derivatives of n- n- butyl- n' - aryl thiourea and their effect on the nitrogen metabolism in barley seedlings

N. P. Mashev1, G. N. Vassilev2
1 Vassil Kolarov Agricultural Institute, Plovdiv
2 Methodi Popoff Institute of Plant Physiology, Bulgarian Academy of Sciences, Sofia, Bulgaria

The cytokinin activity of a group of derivatives of N-n-butyl-N'-arylthiourea and their effect on the uptake of amino acids and the accumulation of total nitrogen in seven-day barley seedlings have been investigated. It was established that N-n-butyl-N"-2,4-dinitrophenyl-thiosemicarbazide, N-n-butyl-N'-o-,m- andp-chlorophonylthioureas, N-n-butyl-N'-3,4-dichlorophenylthiourea and N-n-butyl-N'-2-methyl-4-ehlorophenylthiourea possess a high activity with respect to the retardation of the chlorophyll breakdown. Substances with a high cytokinin activity cause an increase in the amount of total nitrogen and amino acids, mainly of glutamic acid, aspartic acid and serine in the roots and loaves of seven-day barley seedlings.

Accepted: April 25, 1972; Published: September 1, 1973  Show citation

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Mashev, N.P., & Vassilev, G.N. (1973). Cytokinin activity of some derivatives of n- n- butyl- n' - aryl thiourea and their effect on the nitrogen metabolism in barley seedlings. Biologia plantarum, 15(5), 318-323. doi: 10.1007/BF02922443
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