Abstract
This paper reports on the identification and in vitro characterization of several Trichoderma strains isolated from the Tokaj Wine Region in North-East Hungary. Ten isolates were analyzed and found to consist of six individual species—T. gamsii, T. orientale, T. simmonsii, T. afroharzianum, T. atrobrunneum and T. harzianum sensu stricto. The growth potential of the strains was assessed at a range of temperatures. We also report here on the in vitro biocontrol properties and fungicide tolerance of the most promising strains.
Highlights
Interest in non-chemical pesticides is increasing worldwide
Consumers’ requirements for lower pesticide residues and chemical pollutant levels, as well as the emergence of resistance among pests has resulted in a worldwide tendency towards restricting the use of chemical pesticides and searching for alternative control methods
We report here on the in vitro biocontrol properties and fungicide tolerance of the most promising strains
Summary
Interest in non-chemical pesticides is increasing worldwide. Consumers’ requirements for lower pesticide residues and chemical pollutant levels, as well as the emergence of resistance among pests has resulted in a worldwide tendency towards restricting the use of chemical pesticides and searching for alternative control methods. Biopesticides are amongst the most promising agents to replace chemical pesticides. They should be effective against plant pathogens, but need to fulfill economic and safety criteria as well [1]. Some Trichoderma strains have been proven to increase resistance towards pathogens by inducing systemic and local defense of the plant. Their promotion of plant growth, development, and nutrient uptake are reported [8,9,10,11]. Trichoderma can utilize all sorts of nutrients and its conidia can be produced en masse on cheap growth substrates such as agro-industrial wastes [12]
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