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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Pekarskas, Juozas;Sinkevičienė, Jolanta;Šaluchaitė, Aurelija
Title: The influence of the rate of liquid biohumus preparation Humiverd-eko on seed germination power, viability and contamination with fungi
Is part of: Rural development 2013 : 6th international scientific conference, 28-29 November, 2013, Akademija : proceedings. Akademija : Aleksandras Stulginskis University, Vol. 6, b. 2 (2013)
Extent: p. 199-203
Date: 2013
Keywords: Organic farming;Barley;Seed treatment;Germination power;Viability;Fungi
Abstract: Studies of Humiverd-eko rates on seed germination power, viability and fungal contamination after organic barley seed treatment by different rates of biological preparation Humiverd-eko at Aleksandras Stulginskis University in 2012 have shown that barley seed treatment by Humiverd-eko at 6 l t-1 rate after 24 h has considerably increased the value of germination power index. The value of seed germination index after 960 h has substantially decreased compared to the value after 24 and 480 h. Spring barley seed treatment with Humiverd-eko at 9 l t-1 rate has essentially increased barley seed germination compared with untreated seeds, treated with synthetic stain and Humiverd-eko at 1, 3 and 6 l ha-1 rates. Having treated seeds with synthetic stain Lamardor 400 FS, an essential decrease of seed germination was observed when compared with both untreated seeds and those treated with biological preparation Humiverd-eko. After 24 h since the application of biological preparation, contamination of barley seeds by Fusarium, Alternaria and Penicillium spp. fungi was effectively reduced by Humiverd-eko 3.0 l t-1 rate, after 960 h since treatment - 9 l t-1 rate reduced contamination of barley by Fusarium and Alternaria fungi, while 12 l t-1 rate reduced contamination by the fungi of Alternaria and Drechslera genera. After 24 h, under the influence of biological preparation at a rate of 9 l t-1, damage of seedling coleoptiles substantially decreased by 10.6%, prevalence of seedling root diseases – by 1.5%. Seed contamination by root rot pathogens was effectively reduced by 6 l ha-1 rate. After 960 h, Humiverd-eko 1 and 12 l t-1 rates effectively protected barley seedlings against the spreading of diseases. The least damaged barley roots were found under exposure of Humiverd-eko 1 and 12 l t-1 rates, while biological efficiency of Humiverd-eko 6 l t-1 rate on seed fungi comprised 20.0%
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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