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Type of publication: research article
Type of publication (PDB): Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009);Agronomija / Agronomy (A001)
Author(s): Pilipavičius, Vytautas;Romaneckas, Kęstutis;Šarauskis, Egidijus;Vaiciukevičius, Edvardas;Kerpauskas, Paulius
Title: Phytotoxicity effects of Rumex crispus L. grounded biomass on spring barley grain germination
Is part of: African Journal of Agricultural Research. , 2012, Vol. 7(12)
Extent: p. 1819-1826
Date: 2012
Keywords: Allelopathy;Curled dock;Germination;Grounded seed and root and over-ground biomas;Hordeum vulgare L;Phytotoxicity;Rumex crispus L;Spring barley
Abstract: Common agro ecosystem weed with allelopathic activities Curled dock Rumex crispus L. was used to investigate its allelopathic-phytotoxic effects on spring barley germination in laboratory experiments. The experiment of allelopathic-phytotoxic effect was carried out in three stages. Grounded seeds, roots and over-ground part of Rumex crispus L. (0 g; 0.01 g; 0.05 g; 0.1 g; 0.25 g and 0.5 g respectively) effected germination of spring barley. R. crispus allelopathic-phytotoxic substances (grounded seed, root and over-ground biomass) of low concentration (0.01 to 0.1 g per Petri dish) initiated spring barley germination, and regularly smothered germination as R. crispus concentration increased till 0.25 to 0.5 g per Petri dish. The higher the concentration of R. crispus, the stronger was the inhibitory effect. This regularity was confirmed by the correlation-regression analysis. Increased concentration of recipient plant (5, 10 and 15 grain of spring barley per Petri dish) did not compensate phytotoxical inhibitory effect of R. crispus grounded biomass. R. crispus over-ground biomass mostly suppressed germination of spring barley as compared to R. crispus grounded root applications. R. crispus grounded seed biomass had significant stimulation effect on spring barley grain germination. The period of treatment for spring barley grain germination increasing it from 7 till 14 days had negative effect
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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