Article Publish Status: FREE
Abstract Title:

Intercropping Rosemary () with Sweet Pepper () Reduces Major Pest Population Densities without Impacting Natural Enemy Populations.

Abstract Source:

Insects. 2021 Jan 15 ;12(1). Epub 2021 Jan 15. PMID: 33467491

Abstract Author(s):

Xiao-Wei Li, Xin-Xin Lu, Zhi-Jun Zhang, Jun Huang, Jin-Ming Zhang, Li-Kun Wang, Muhammad Hafeez, G Mandela Fernández-Grandon, Yao-Bin Lu

Article Affiliation:

Xiao-Wei Li


Intercropping of aromatic plants provides an environmentally benign route to reducing pest damage in agroecosystems. However, the effect of intercropping on natural enemies, another element which may be vital to the success of an integrated pest management approach, varies in different intercropping systems. Rosemary,L. (Lamiaceae), has been reported to be repellent to many insect species. In this study, the impact of sweet pepper/rosemary intercropping on pest population suppression was evaluated under greenhouse conditions and the effect of rosemary intercropping on natural enemy population dynamics was investigated. The results showed that intercropping rosemary with sweet pepper significantly reduced the population densities of three major pest species on sweet pepper,,, and, but did not affect the population densities of their natural enemies, the predatory bug,, or parasitoid,. Significant pest population suppression with no adverse effect on released natural enemy populations in the sweet pepper/rosemary intercropping system suggests this could be an approach for integrated pest management of greenhouse-cultivated sweet pepper. Our results highlight the potential of the integration of alternative pest control strategies to optimize sustainable pest control.

Study Type : Plant Study
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Additional Keywords : Companion Planting

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