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Statements

Subject Item
n2:RIV%2F60076658%3A12220%2F12%3A43884460%21RIV13-MZE-12220___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Our research has been aimed at an evaluation of the influence of seed health conditions on biological characteristics of seeds and a following seed generation (it was demonstrated on a model crop - oat). Exact small-plot trials were established on three different experimental certified organic parcels in the Czech Republic between 2010 and 2011. Two varieties of hulled oat and two varieties of naked oat were used. A rate of grain contamination with microscopic fungi was studied and assessed before seeding and after harvest of the seeds. A method of isolation of micromycets on cultivation media was applied in order to assess the contamination rate. As for the biological characteristics, energy of germination, germination, energy of emergence and emergence were studied and evaluated in the framework of the research. The results showed that the seed origin has no influence neither on the health conditions of the emerged plants nor on the rate of the microscopic fungi contamination of the following seed generation. The hulled oat caryopses were more seriously affected by Fusarium spp., Alternaria spp. and Penicillium spp. Such a less serious affection of the naked oat caryopses might be explained by a harvest of the caryopses rid of hulls, which are inclined more often to contamination with pathogens. The influence of the seed health conditions on the seed's biological characteristics has not been proved via correlation analysis. However, Penicillium spp. usually contributes to a reduction of the germination ability. Farm saved seeds might be recommended to farmers in case of a deficiency of certified organic seeds and a ban of application of conventional untreated seeds. However, the use of farm saved seeds has to be done carefully and meet strict requirements. Our research has been aimed at an evaluation of the influence of seed health conditions on biological characteristics of seeds and a following seed generation (it was demonstrated on a model crop - oat). Exact small-plot trials were established on three different experimental certified organic parcels in the Czech Republic between 2010 and 2011. Two varieties of hulled oat and two varieties of naked oat were used. A rate of grain contamination with microscopic fungi was studied and assessed before seeding and after harvest of the seeds. A method of isolation of micromycets on cultivation media was applied in order to assess the contamination rate. As for the biological characteristics, energy of germination, germination, energy of emergence and emergence were studied and evaluated in the framework of the research. The results showed that the seed origin has no influence neither on the health conditions of the emerged plants nor on the rate of the microscopic fungi contamination of the following seed generation. The hulled oat caryopses were more seriously affected by Fusarium spp., Alternaria spp. and Penicillium spp. Such a less serious affection of the naked oat caryopses might be explained by a harvest of the caryopses rid of hulls, which are inclined more often to contamination with pathogens. The influence of the seed health conditions on the seed's biological characteristics has not been proved via correlation analysis. However, Penicillium spp. usually contributes to a reduction of the germination ability. Farm saved seeds might be recommended to farmers in case of a deficiency of certified organic seeds and a ban of application of conventional untreated seeds. However, the use of farm saved seeds has to be done carefully and meet strict requirements.
dcterms:title
Influence of Seed Health Conditions on a Following Oat Seed Generation Being Grown in Organic Farming Influence of Seed Health Conditions on a Following Oat Seed Generation Being Grown in Organic Farming
skos:prefLabel
Influence of Seed Health Conditions on a Following Oat Seed Generation Being Grown in Organic Farming Influence of Seed Health Conditions on a Following Oat Seed Generation Being Grown in Organic Farming
skos:notation
RIV/60076658:12220/12:43884460!RIV13-MZE-12220___
n6:predkladatel
n7:orjk%3A12220
n3:aktivita
n17:P
n3:aktivity
P(QI91C123)
n3:cisloPeriodika
3-4
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n12:2057859
n3:druhVysledku
n16:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
141559
n3:idVysledku
RIV/60076658:12220/12:43884460
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Organic farming, seed, contamination with fungi, biological traits of seed, naked oat, hulled oat.
n3:klicoveSlovo
n4:Organic%20farming n4:seed n4:contamination%20with%20fungi n4:hulled%20oat. n4:biological%20traits%20of%20seed n4:naked%20oat
n3:kodStatuVydavatele
FI - Finská republika
n3:kontrolniKodProRIV
[CA134370FE9D]
n3:nazevZdroje
Journal of Food, Agriculture & Environment
n3:obor
n14:GC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
9
n3:projekt
n15:QI91C123
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
10
n3:tvurceVysledku
Konvalina, Petr
s:issn
1459-0255
s:numberOfPages
4
n5:organizacniJednotka
12220