Reference : Mise en place de différentes stratégies visant à favoriser l’approche « push-pull » p...
Dissertations and theses : Master's dissertation
Life sciences : Entomology & pest control
Mise en place de différentes stratégies visant à favoriser l’approche « push-pull » pour le contrôle des pucerons en cultures maraîchères dans l’est de la Chine
[en] Implementation of different strategies to promote the "push-pull" approach for the control of aphids in vegetable crops in eastern China
Chevalier Mendes Lopes, Thomas mailto [Université de Liège - ULg > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Université de Liège, ​Liège, ​​Belgique
Master bioingénieur: sciences agronomiques, à finalité spécialisée
96 + 33
Francis, Frédéric mailto
[en] Biological control ; Aphids ; Aphidiphagous beneficial insects ; Push-pull ; Semiochemicals ; Intercropping
[fr] Lutte biologique ; Pucerons ; Auxiliaires aphidiphages ; Push-pull ; Substances sémiochimiques ; Cultures en association
[en] The Chinese farmers apply a lot of pesticides in their vegetable crops. This situation, due to the socio-economic context of the rural population of the country, affects the food security. This work aims to study alternatives to the intensive use of synthetic pesticides, namely by the establishment of “push-pull” strategies, in courgettes and potato fields. We used three semiochemicals, the (E)-β-farnésène, the (Z)-3-Hexenyl acetate and a garlic extract and intercropping with pea. The effect of these treatments in the populations of aphidiphagous beneficial insects was determined by five weeks of insect trapping and observations on the plants. The results indicate that none of the modalities has a significant effect on the populations of beneficial insects and aphids. However, we observed some trends, especially with the (E)-β-farnésène in the courgettes fields. In addition, information sheets were made to inform and raise awareness of the Chinese farmers about the use of pesticides and the role of beneficial insects in the control of aphid populations.
Commission universitaire pour le Développement - CUD

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