EFFECT OF VARIOUS MANURES ON INCREASING THE QUANTITY OF A BIOCONTROL AGENT Trichoderma sp.

Gveroska, Biljana (2014) EFFECT OF VARIOUS MANURES ON INCREASING THE QUANTITY OF A BIOCONTROL AGENT Trichoderma sp. In: ECOLOGY AND HEALTH, 5 June 2014, Plovdiv, Bulgaria.

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Abstract

The use of a biocontrol agent Trichoderma is effective, eco-friendly and cheap way of plant protection. Our researching confirmed the efficacy of T. harzianum in reducing the root rot disease in tobacco seedlings. The effect is greater in the larger quantity of the biocontrol agent. According to literature data, certain manures have different influence on the biocontrol agentʼs development. Therefore, the objective of this researching was to determine the influence of different manuers on the quantitative presence of Trichoderma spp. It was estimated that researched manures have a possitive impact on increasing the quantitative presence of a biocontrol agent in soil. Among various manures, the colony forming units (cfu/g soil) of Trichoderma spp. is the biggest in a goat manure (19,21 х 104). Mulching of tobacco seedbeds with combination of a sheep+goat manure and sheep+farmyard manure has expressive positive effect on increasing the quantity of a biocontrol agent in soil. There is the bigest quantity of Trichoderma spp. in a combination sheep+goat manure (48,20 х 104 cfu/g soil). A biq quantity has a possitive influence on expressing the mechanisms of action of biocontrolniot agent Trichoderma. This means that the right choice of a manure for mulching has an additional positive effect on its biocontrol activity in tobacco seedlings protection.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: manure, combination, quantity, Trichoderma spp, tobacco seedlings
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries
Divisions: Scientific Tobacco Institute
Depositing User: Ms Biljana Jordanoska
Date Deposited: 03 Nov 2016 21:46
Last Modified: 03 Nov 2016 21:46
URI: http://eprints.uklo.edu.mk/id/eprint/410

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