Metschnikowia pulcherrima : Yeast isolated from ficus caricaĭecay incidence and lesion diameter of gray mold Significant reductions in percent infection and lesion size Hanseniaspora opuntiae : Yeast isolated from ficus caricaĬECT20518 from the Spanish Type Culture Collection No direct activity was observed against B. cinerea Protective effect on apple against Bc by 44% In most of trials high protective levels were observed with the application of NEXY® (62 to 98% of efficacy in term of disease incidence reduction)ĭisease incidence on fruits (lesions size) guilliermondii treatments maintained or enhanced the antioxidative enzyme activities and total phenolic content of apple fruit domestica Ĭombination of hot air and antagonistic yeast totally inhibited the diseaseįruits quality and antioxidative activity and phenolics accumulation Induction of β-1 3-glucanase activity in apple tissue Probable production of glucanase in the apple woundsĪntifungal effect :Competition for space and direct interaction between antagonist and pathogenĪntifungal action of cellular components probably chitin present in the wall of viable and nonviable yeast cells Preventive effect : 80% of reduction (Rf was added 2h before infection by Bc)Ĭurative effect : 45% of reduction (Rf was added 2h later infection by Bc) Preventive effect : 84% of reduction (Rf was added 2h before infection by Bc)Ĭurative effect : 54% of reduction (Rf was added 2h later infection by Bc) Y1125 isolated from Sclerocarya birrea juice)īoth film-forming formulations based on potato starch and maltodextrins are efficient against B. Inhibition of hyphal growth : antagonistic activity Possible involvement of benzyl alcohol known for its antimicrobial action in biocontrol efficacyġ00% inhibition against the germination of B.
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SSF without application of dry air showed a production of 8.9x109 spore/g CS. Results demonstrated that dry air applied on SSF did not have influence on the increase of spore produced, but it can accelerate this process (at least 24 hours) and also to increase the spore viability (1.3 x109 spore/ g carbon source, with 24.7 % of viability, respectively). Under these conditions, the maximum concentration of spores was 8.4x109 spores/g carbon source (CS) at 96 h. Effect of dry air was evaluated on the decrease stage of fungal metabolism as an inducer of sporulation, and also the effect of drying on the viability of the spores produced.
CO2 released during mycelial growth and sporulation was monitoring by respirometry. Sugarcane bagasse, wheat bran, and potato flour were evaluated as a mix of substrates to produce fungal spores. The present study, shown the evaluation of a solid-state fermentation process in order to produce spores by Trichoderma harzianum. Among BCA, Trichoderma is an important biopesticide fungus against several plant pathogens. Biological control is an environmentally effective technology for the reduction of pests through the use of natural enemies called biological control agents (BCA).