Article (Scientific journals)
Adaptation of Wheat-Pea Intercropping Pattern in China to Reduce Sitobion avenae (Hemiptera: Aphididae) Occurrence by Promoting Natural Enemies
Zhou, Haibo; Chen, Li; Chen, Julian et al.
2013In Agroecology and Sustainable Food Systems, 37:9, p. 1001-1016
 

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Keywords :
wheat, pea, Sitobion avenae; natural enemies; intercropping
Abstract :
[en] The use of intercropping as a strategy for increasing biodiversity in fields has the potential to reduce pest damage and improve the crop production. Here, a study was undertaken to evaluate the role of different wheat-pea intercropping patterns in conserving arthropod natural enemies and suppressing cereal aphids in agroecosystems. Wheat-pea intercropping in an 8–2 row pattern of wheat and pea, respectively, preserved and augmented natural enemies more than a monoculture of wheat. The highest abundance of ladybeetles in 2008 and 2009 occurred in the 8–2 row pattern, whereas the highest densities of aphid parasitoids were found in the 4-2 row pattern in 2008 and the 8-2 row pattern in 2009. The distribution of aphid populations in the peak stage was spatially heterogeneous, and the highest density of aphids was shown visually in wheat monoculture fields. The land equivalent ratio of 1.121:1.187 for wheat-pea intercropping in 2008 and 1.114:1.174 for wheat-pea intercropping in 2009 showed that intercropping of wheat and pea has potential to improve the utilization of plant growth resources as compared to sole crops. Wheat-pea intercropping has potential to control English grain aphids effectively by enhancing the abundance of natural enemies, especially with an 8-2 row pattern of wheat-pea, respectively.
Disciplines :
Agriculture & agronomy
Author, co-author :
Zhou, Haibo;  Chinese Academy of Agricultural Sciences > Institute of Plant Protection > State Key Laboratory for BIology of Plant Disease and Insect Pests
Chen, Li ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol. (Paysage)
Chen, Julian;  Chinese Academy of Agricultural Sciences > Institute of Plant Protection > State Key Laboratory for Biology of Plant Disease and Insect Pests
Francis, Frédéric  ;  Université de Liège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Haubruge, Eric  ;  Université de Liège > Premier Vice-Recteur
Liu, Yong
Bragard, Claude
Cheng, Dengfa
Language :
English
Title :
Adaptation of Wheat-Pea Intercropping Pattern in China to Reduce Sitobion avenae (Hemiptera: Aphididae) Occurrence by Promoting Natural Enemies
Publication date :
13 September 2013
Journal title :
Agroecology and Sustainable Food Systems
ISSN :
2168-3565
eISSN :
2168-3573
Publisher :
Taylor & Francis Group, United Kingdom
Volume :
37:9
Pages :
1001-1016
Available on ORBi :
since 13 June 2018

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