Stoyka MASHEVA, İvanka TRINGOVSKA, Tsvetana LAZAROVA, Daniela GANEVA

Possibilities for Control of Corky Root (Pyrenochaeta lycopersici Schn., Gerl.) in Tomato Grown in Cultivation Facilities

Anahtar Kelimeler:

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Possibilities for Control of Corky Root (Pyrenochaeta lycopersici Schn., Gerl.) in Tomato Grown in Cultivation Facilities

A study for establishment of the effect of variety and fertilization on the index of infestation by corky root (Pyrenochaeta lycopersici Schn., Gerl.) in tomato plants grown in cultivation facilities was carried out. The experiment was performed in the conditions of natural infestation with 14 tomato varieties and lines at three systems of fertilization – mineral, integrated and organic. Effective microorganisms (ЕМ) were applied additionally in the variants with integrated and organic production. The studied varieties were divided in four groups depending on the susceptibility to the agent of corky root: with index of infestation up to 20%; from 21 to 40%; from 41 to 60% and over 61%. The lowest index of infestation is recorded in the variants with integrated and organic production including the application of vermicompost, rock phosphate and ЕМ. The yield recorded in this variant was lower compared to the variant with mineral fertilization but the differences were not mathematically significant

Keywords:

Pyrenochaeta lycopersici, tomato variety, vermicompost, effective microorganisms yield,

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