<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This study was conducted to evaluate anti-acetylcholinesterase and insecticidal and antifungal activities of the endophytic fungus Trichoderma sp, isolated from Ricinus communis L. leaves, against Locusta migratoria L. and Botrytis cinerea Pers.: Fr.. To evaluate the insecticidal and antifungal activities, different concentrations of the fungal extract were applied against L. migratoria (0.2, 0.3, 0.4 g/l) and against B. cinerea (1, 2, 3 g/l). It was found that the mortality of the targeted insects was positively proportional to fungal extract concentration and time after exposure (24, 48, 72 hours). The concentration 0.4 g/l appeared to be the most effective after 72 hours with mortality rate of 56.52%. Regarding antifungal activity, the concentration 3 g/l was the most effective against B. cinerea after 7 days, with an inhibition rate of 92.06% (excellent antifungal activity). Moreover, it was found that at 4 ug/ml the fungal extract had a maximum inhibitory capacity of Ache of 80% for acetylcholenesterase. Preliminary phytochemical analyses revealed the presence of alkaloids, flavonoids, phenols and saponins. In addition the colony of this endophytic fungus produced chitinases and proteases, which explained its important antifungal and insecticidal activities.</p></abstract>

This study was conducted to evaluate anti-acetylcholinesterase and insecticidal and antifungal activities of the endophytic fungus Trichoderma sp, isolated from Ricinus communis L. leaves, against Locusta migratoria L. and Botrytis cinerea Pers.: Fr.. To evaluate the insecticidal and antifungal activities, different concentrations of the fungal extract were applied against L. migratoria (0.2, 0.3, 0.4 g/l) and against B. cinerea (1, 2, 3 g/l). It was found that the mortality of the targeted insects was positively proportional to fungal extract concentration and time after exposure (24, 48, 72 hours). The concentration 0.4 g/l appeared to be the most effective after 72 hours with mortality rate of 56.52%. Regarding antifungal activity, the concentration 3 g/l was the most effective against B. cinerea after 7 days, with an inhibition rate of 92.06% (excellent antifungal activity). Moreover, it was found that at 4 ug/ml the fungal extract had a maximum inhibitory capacity of Ache of 80% for acetylcholenesterase. Preliminary phytochemical analyses revealed the presence of alkaloids, flavonoids, phenols and saponins. In addition the colony of this endophytic fungus produced chitinases and proteases, which explained its important antifungal and insecticidal activities.

The anti-acetylcholinesterase, insecticidal and antifungal activities of the entophytic fungus <italic>Trichoderma</italic> sp. isolated from <italic>Ricinus communis</italic> L. against <italic>Locusta migratoria</italic> L. and <italic>Botrytis cinerea</italic> Pers.: Fr.

University of Mohamed Elbachir Elibrahimi

Department of Agriculture and Forestry Zoology

Acta Scientifica Naturalis

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The anti-acetylcholinesterase, insecticidal and antifungal activities of the entophytic fungus  sp. isolated from  L. against  L. and  Pers.: Fr.

This study was conducted to evaluate anti-acetylcholinesterase and insecticidal and antifungal activities of the endophytic fungus Trichoderma sp, isolated...

The anti-acetylcholinesterase, insecticidal and antifungal activities of the entophytic fungus Trichoderma sp. isolated from Ricinus communis L. against Locusta migratoria L. and Botrytis cinerea Pers.: Fr.

Publié en ligne: 18 avr. 2020

Pages: 112 - 125

DOI: https://doi.org/10.2478/asn-2020-0011

Mots clés
insecticidal activity, antifungal activity, endophytic fungi,

© 2020 Djamel Eddine Laib et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The anti-acetylcholinesterase, insecticidal and antifungal activities of the entophytic fungus Trichoderma sp. isolated from Ricinus communis L. against Locusta migratoria L. and Botrytis cinerea Pers.: Fr.

Publié en ligne: 18 avr. 2020

Pages: 112 - 125

DOI: https://doi.org/10.2478/asn-2020-0011

Mots clésinsecticidal activity, antifungal activity, endophytic fungi,

© 2020 Djamel Eddine Laib et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
insecticidal activity, antifungal activity, endophytic fungi,