Reference : A push–pull strategy to control aphids combines intercropping with semiochemical releases
Scientific journals : Article
Life sciences : Agriculture & agronomy
Life sciences : Entomology & pest control
Life sciences : Environmental sciences & ecology
http://hdl.handle.net/2268/211936
A push–pull strategy to control aphids combines intercropping with semiochemical releases
English
Xu, Qingxuan mailto [Université de Liège - ULiège > > > Doct. sc. agro. & ingé. biol. (Paysage)]
Hatt, Séverin mailto [Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Gestion durable des bio-agresseurs >]
Chevalier Mendes Lopes, Thomas mailto [Université de Liège - ULiège > > > Doct. sc. agro. & ingé. biol.]
Zhang, Yong mailto [Université de Liège - ULiège > > > Doct. sc. agro. & ingé. biol. (Paysage)]
Bodson, Bernard mailto [Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions végétales et valorisation >]
Chen, Julian mailto [Chinese Academy of Agricultural Science > Institute of Plant Protection > > >]
Francis, Frédéric mailto [Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Gestion durable des bio-agresseurs >]
2018
Journal of Pest Science
Springer
91
93-103
Yes (verified by ORBi)
International
1612-4758
1612-4766
[en] Triticum aestivum ; Pisum sativum ; Association ; Methyl salicylate ; E-b-farnesene ; Alginate beads ; Integrated pest management
[en] Even if insect pest populations can be reduced by increasing plant diversity through intercropping, natural enemies are not always favored in such systems. Alternatively, semiochemical substances have been tested to enhance biological control, with inconsistent results. Combining both strategies can be an interesting way to maximize pest control. In this work, a 2-year setup involving wheat–pea strip intercropping combined with the release of E-b-farnesene (EBF) or methyl salicylate (MeSA) was tested as a push–pull strategy to simultaneously repel aphids and attract beneficials. Two types of slow-release formulation (i.e., oil and alginate beads) containing EBF or MeSA were deployed with the intercropping. The abundance of aphids was significantly decreased, while hoverfly larvae and mummified aphids increased on both pea plants and wheat tillers by the release of oil-formulated EBF and MeSA. The proportion parasitism of the aphid-parasitism rate [mummies/(aphids + mummies)] was also increased by treating both crops in both years. Releasing EBF through oil rather than alginate beads proved significantly better for attracting natural enemies and reducing aphids. Aphids were negatively correlated with the density of hoverflies (both adults and larvae) and numbers of mummies. All these results showed that combining intercropping with the release of
EBF or MeSA formulated in oil can significantly reduce aphid density and attract their natural enemies. Therefore, the combination of both strategies could help farmers reduce the use of insecticides.
TERRA Research Centre - TERRA
CARE Agriculture Is Life (University of Liège) ; National Key R & D Plan in China (2016YFD0300701) ; Cooperation Project between Belgium and China from MOST (2014DF32270) ; FRIA (Fonds pour la Recherche en Industrie et Agronomie)
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/211936
10.1007/s10340-017-0888-2
https://link.springer.com/article/10.1007/s10340-017-0888-2

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