The grain quality losses of wheat and barley caused by stress of simulated game browsing

0324974 - ÚBO 2009 RIV HU eng J - Článek v odborném periodiku
Vejražka, K. - Cerkal, R. - Kamler, Jiří - Dvořák, J. - Knotová, D.
The grain quality losses of wheat and barley caused by stress of simulated game browsing.
[Ztráty výnosu a kvality zrna ječmene a pšenice způsobené okusem zvěří.]
Cereal Research Communications. Roč. 37, Suppl. 1 (2009), s. 655-658. ISSN 0133-3720. E-ISSN 1788-9170.
[Alps-Adria Scientific Workshop /8./. Neum, 27.4.2009-02.05.2009]
Grant CEP: GA MZe(CZ) QF4192
Výzkumný záměr: CEZ:AV0Z60930519
Klíčová slova: biotic stress * damage caused by game * defoliation * leaf area reduction * grain quality * barley * wheat
Kód oboru RIV: GF - Choroby, škůdci, plevely a ochrana rostlin
Impakt faktor: 1.190, rok: 2007

This work presents results of a survey that studied simulated plant browsing by herbivores and its influence on the cereal quality. In 2004-2005, winter wheat and spring barley field trials were founded in order to monitor the impact of different levels of defoliation (leaf area reduction) on the grain quality. The defoliation was carried out by the means of mechanical removal of plant parts in the early growth stages. Selected qualitative parameters were determined in the harvested grain. No statistically significant influence of the leaf area reduction on TGW was found in any of the studied crops. The leaf area reduction in barley did not affect the grain's protein and starch content, grain over sieve 2.5 mm, and extract in the grain. The leaf area reduction had a statistically significant influence on the quality of the wheat grain - after reduction the falling number increased statistically significantly (by 29-39 s) and SDS test values decreased (by 8-9 ml).

Práce přináší výsledky výzkumu vlivu simulovaného poškození pšenice a ječmene zvěří na následný výnos a kvalitu zrna. Redukce listové plochy neměla významný vliv na sledované parametry zrna ječmene, ale ovlivnila některé ukazatele u pšenice.
Trvalý link: http://hdl.handle.net/11104/0172544