학술논문

Implementing plant biostimulants and biocontrol strategies in the agroecological management of cultivated ecosystems. A review
Document Type
article
Source
Biotechnologie, Agronomie, Société et Environnement, Vol 20, Iss s1, Pp 299-313 (2016)
Subject
Agroecology
biological control
plant growth stimulants
biofertilizers
biopesticides
induced resistance
rhizobacteria
semiochemicals
elicitors
Biotechnology
TP248.13-248.65
Environmental sciences
GE1-350
Language
English
French
ISSN
1370-6233
1780-4507
Abstract
Introduction. In the context of sustainable agricultural production, agroecology aims at optimizing the economic and environmental performances of beneficial ecosystem services in order to (i) increase the productivity and resilience of cultivated ecosystems and (ii) preserve their natural resources. The maintenance of such performances is supported by research via the development of new tools that enhance plant tolerance to numerous biotic and abiotic stresses. Literature. Biostimulants can be used as a tool to complement the use of chemical inputs, by involving non-living-based products, or living-based products containing beneficial rhizosphere microbiome, such as plant growth-promoting rhizobacteria (PGPR). Pest management research has also made major advances in the development of efficient biocontrol methods. Elicitors and semiochemicals are considered to be some of the most promising tools for inducing plant resistance to various diseases and enhancing natural predation, respectively. Several products are already on the market. This review discusses current methods for exploiting and applying biostimulant and biocontrol products in contemporary agricultural systems. Future applications of these tools for sustainable management of cultivated ecosystems are also discussed. Conclusions. These tools are still difficult to use because of their lack of reliability in the field and their uneasy integration in the cropping systems. Further studies are needed to better understand the parameters influencing the efficiency of PGPR, elicitors and semiochemicals. Special attention needs to be given to the formulation and the interactions of these products with plant physiology and the environment.