Journal
NEOTROPICAL ENTOMOLOGY
Volume 51, Issue 2, Pages 171-187Publisher
ENTOMOLOGICAL SOC BRASIL
DOI: 10.1007/s13744-021-00939-2
Keywords
Sustainable agriculture systems; Natural enemies; Herbivores; Plant diversity
Categories
Funding
- National Council of Technological and Scientific Development (CNPq)
- Federal District Research Foundation (FAP-DF)
- Brazilian Corporation of Agricultural Research (EMBRAPA) [20.19.00.182.00.00]
- Biotechnology and Biological Sciences Research Council [BBS/OS/CP/000001, BB/R020000/1]
- CNPq [429226/2018-7]
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
- Fundacao de Amparo a Pesquisa e Inovacao do Estado de Santa Catarina ( FAPESC) [2021TR001441]
- CNPq
- BBSRC [BB/R020000/1] Funding Source: UKRI
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Research has shown that sustainable agricultural crop protection can be achieved through chemical ecology studies and the use of companion plants. Understanding how herbivore-induced plant volatiles regulate multifaceted defense responses can lead to the development of new crop protection strategies. Studying the interactions between companion plants, herbivores, and natural enemies in the field can enhance knowledge and contribute to the development of more efficient and sustainable pest management strategies.
To attain sustainable agricultural crop protection, tools such as host plant resistance, enhanced ecosystem services (i.e. conserving natural enemies) and the deployment of companion plants should be promoted in pest management programmes. These agro system manipulations could be based on chemical ecology studies considering the interactions with natural enemies and pests, regarding specifically plant defence signalling. Further, new crop protection strategies might rise from widening the knowledge regarding how herbivore-induced plant volatiles can govern a multifaceted defence response including natural enemy recruitment, pest repellence or induced defence in neighbouring plants. It is crucial to use a multitrophic approach to understand better the interactions involving companion plants, herbivores and natural enemies in the field, increasing the knowledge to build more efficient and sustainable pest management strategies. In this review, we explore the perspectives of companion plants and their semiochemicals to promote conservation biological control according to the 'smart plants' concept. Further, we discuss the advantages and disadvantages of using companion plants and explore the application of companion plants in different agroecosystems using several case studies.
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