Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations
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...
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doaj-f0d663a4949d4a0290ca90bc4276d1852021-01-16T00:01:45ZengMDPI AGInsects2075-44502021-01-0112747410.3390/insects12010074Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy PopulationsXiao-wei Li0Xin-xin Lu1Zhi-jun Zhang2Jun Huang3Jin-ming Zhang4Li-kun Wang5Muhammad Hafeez6G. Mandela Fernández-Grandon7Yao-bin Lu8State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaNatural Resources Institute, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UKState Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, ChinaIntercropping 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, <i>Rosmarinus officinalis</i> 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, <i>Frankliniella intonsa</i>, <i>Myzus persicae</i>, and <i>Bemisia tabaci</i>, but did not affect the population densities of their natural enemies, the predatory bug, <i>Orius sauteri</i>, or parasitoid, <i>Encarsia formosa</i>. 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.https://www.mdpi.com/2075-4450/12/1/74aromatic plantshabitat manipulationbiological controlpest densitiesnatural enemy densities |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
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 |
spellingShingle |
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 Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations Insects aromatic plants habitat manipulation biological control pest densities natural enemy densities |
author_facet |
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 |
author_sort |
Xiao-wei Li |
title |
Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations |
title_short |
Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations |
title_full |
Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations |
title_fullStr |
Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations |
title_full_unstemmed |
Intercropping Rosemary (<i>Rosmarinus officinalis</i>) with Sweet Pepper (<i>Capsicum annum</i>) Reduces Major Pest Population Densities without Impacting Natural Enemy Populations |
title_sort |
intercropping rosemary (<i>rosmarinus officinalis</i>) with sweet pepper (<i>capsicum annum</i>) reduces major pest population densities without impacting natural enemy populations |
publisher |
MDPI AG |
series |
Insects |
issn |
2075-4450 |
publishDate |
2021-01-01 |
description |
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, <i>Rosmarinus officinalis</i> 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, <i>Frankliniella intonsa</i>, <i>Myzus persicae</i>, and <i>Bemisia tabaci</i>, but did not affect the population densities of their natural enemies, the predatory bug, <i>Orius sauteri</i>, or parasitoid, <i>Encarsia formosa</i>. 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. |
topic |
aromatic plants habitat manipulation biological control pest densities natural enemy densities |
url |
https://www.mdpi.com/2075-4450/12/1/74 |
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