Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 1
Written by Silviu-Eugen POPESCU, Stelica CRISTEA
The aim of our research was to establish the incidence of micromycete attack on barley grown in classical technology and in culture during the conversion period to move to organic farming, in the Murighiol area, Tulcea county, in 2020/2021. The most common micromycetes in barley crops were P. teres which causes net blotch of barley, P. graminea responsible for barley leaf stripe disease and Puccinia hordei agent pathogen of leaf rust on barley. In the case of barley cultivated in a conventional system, the control variant determined a degree of attack of 29.5% for P. teres, 6% for P. graminea and 11% for P. hordei. In the barley variant during the conversion period, the values recorded were 28.5% for P. teres, 4.5% for P. graminea and 12% for P. hordei. The application of treatments to conventionally grown barley was over 50% effective in controlling pathogens and in the barley variant during the conversion period to which the Amer Micro product was applied, there were lower values of the attack of the monitored pathogens, compared to the control variant.
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