[en] BACKGROUND: Wheat (Triticum aestivum L.) is one of the most cultivated crops in temperate climates. As its pests are mainly controlled with insecticides which are harmful to the environment and human health, alternative practices such as intercropping have been studied for their potential to promote biological control. Based on the published literature, this study aimed to review the effect of wheat-based intercropping systems on insect pests and their natural enemies.
RESULTS: Fifty original research papers were obtained from a systematic search of the peer-reviewed literature. Results from a vote-counting analysis indicated that, in the majority of studies, pest abundance was significantly reduced in intercropping systems compared with pure stands. However, the occurrence of their natural enemies as well as predation and parasitism rates were not significantly increased. The country where the studies took place, the type of intercropping, and the crop that was studied in the association had significant effects on these results.
CONCLUSION: These findings show that intercropping is a viable practice to decrease insecticide use in wheat production systems. Nevertheless, other practices could be combined with intercropping to favour natural enemies and enhance pest control.
Disciplines :
Agriculture & agronomy Entomology & pest control
Author, co-author :
Chevalier Mendes Lopes, Thomas ; Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Hatt, Séverin ; Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Chen, Julian; Chinese Academy of Agricultural Sciences > Institute of Plant Protection > State Key Laboratory for Biology of Plant Diseases and Insect Pests
Liu, Yong; Shandong Agricultural University > College of Plant Protection
Francis, Frédéric ; Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Language :
English
Title :
Wheat (Triticum aestivum L.)-based intercropping systems for biological pest control: a review
Alternative titles :
[fr] Les associations de cultures à base de blé (Triticum aestivum L.) pour la lutte biologique: revue bibliographique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE] CARE AgricultureIsLife (University of Liège) CAAS - Chinese Academy of Agricultural Sciences [CN]
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