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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F11%3A00169861%21RIV12-MZE-43210___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Selenium is a trace element which in small amounts is necessary for human and animal nutrition. In the organism it helps a number of antioxidant enzymes to function normally. In many parts of the world, including the Central European region, its content in agricultural products is very low. Attempts are therefore made to increase its content and cover human requirements with biologically valuable products by incorporating selenium into the system of plant nutrition. In a vegetation trial established in 2008 and 2009 we explored the effect of foliar applications of Se(IV) on yields and on its content in the seeds and the uptake of selenium by the poppy (Papaver somniferum L.) stand. Selenium was applied at a rate of 300 g.ha-1 in the stage of the end of elongation growth and after the fall of blossoms. Poppy yields were significantly influenced by the weather in the experimental years. In the dry year of 2009 poppy production was by 40.6 % lower than in 2008. Se application at the end of elongation growth reduced poppy seed yields on average by 11.5 %. Late supplementary nutrition at the stage after blossom fall also reduced yields (by 11.8 %). Due to the effect of extra-root Se nutrition the content of selenium in poppy seeds increased highly significantly from 139 microgramme.kg-1 to 757 microgramme.kg-1 of seeds. Also the uptake of selenium by the poppy stand was significant and after foliar application it increased 4.8 times. Selenium is a trace element which in small amounts is necessary for human and animal nutrition. In the organism it helps a number of antioxidant enzymes to function normally. In many parts of the world, including the Central European region, its content in agricultural products is very low. Attempts are therefore made to increase its content and cover human requirements with biologically valuable products by incorporating selenium into the system of plant nutrition. In a vegetation trial established in 2008 and 2009 we explored the effect of foliar applications of Se(IV) on yields and on its content in the seeds and the uptake of selenium by the poppy (Papaver somniferum L.) stand. Selenium was applied at a rate of 300 g.ha-1 in the stage of the end of elongation growth and after the fall of blossoms. Poppy yields were significantly influenced by the weather in the experimental years. In the dry year of 2009 poppy production was by 40.6 % lower than in 2008. Se application at the end of elongation growth reduced poppy seed yields on average by 11.5 %. Late supplementary nutrition at the stage after blossom fall also reduced yields (by 11.8 %). Due to the effect of extra-root Se nutrition the content of selenium in poppy seeds increased highly significantly from 139 microgramme.kg-1 to 757 microgramme.kg-1 of seeds. Also the uptake of selenium by the poppy stand was significant and after foliar application it increased 4.8 times.
dcterms:title
Foliar Nutrition of Poppy Plants (Papaver Somniferum L.) with Selenium and the Effect on its Content in Seeds Foliar Nutrition of Poppy Plants (Papaver Somniferum L.) with Selenium and the Effect on its Content in Seeds
skos:prefLabel
Foliar Nutrition of Poppy Plants (Papaver Somniferum L.) with Selenium and the Effect on its Content in Seeds Foliar Nutrition of Poppy Plants (Papaver Somniferum L.) with Selenium and the Effect on its Content in Seeds
skos:notation
RIV/62156489:43210/11:00169861!RIV12-MZE-43210___
n16:predkladatel
n17:orjk%3A43210
n3:aktivita
n6:P
n3:aktivity
P(QF3173)
n3:cisloPeriodika
1
n3:dodaniDat
n18:2012
n3:domaciTvurceVysledku
n4:3915719 n4:4650514
n3:druhVysledku
n7:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
200056
n3:idVysledku
RIV/62156489:43210/11:00169861
n3:jazykVysledku
n19:eng
n3:klicovaSlova
quality of seeds; selenium; foliar application; yield of seeds; poppy seed
n3:klicoveSlovo
n5:foliar%20application n5:selenium n5:yield%20of%20seeds n5:quality%20of%20seeds n5:poppy%20seed
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[C579611663BA]
n3:nazevZdroje
Journal of Elementology
n3:obor
n12:GD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n14:QF3173
n3:rokUplatneniVysledku
n18:2011
n3:svazekPeriodika
16
n3:tvurceVysledku
Richter, Rostislav Škarpa, Petr
s:issn
1644-2296
s:numberOfPages
8
n15:organizacniJednotka
43210