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Environmental Sustainability
2015, DOI: 10.1007/978-81-322-2056-5_3

A Review of Biopesticides and Their Mode of Action Against Insect Pests

Sengottayan Senthil-Nathan

Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, 627 412, Alwarkurichi, Tirunelveli, Tamil Nadu, India.


Biopesticides, including entomopathogenic viruses, bacteria, fungi, nematodes, and plant secondary metabolites, are gaining increasing importance as they are alternatives to chemical pesticides and are a major component of many pest control programs. The virulence of various biopesticides such as nuclear polyhedrosis virus (NPV), bacteria, and plant product were tested under laboratory conditions very successfully and the selected ones were also evaluated under field conditions with major success. Biopesticide products (including beneficial insects) are now available commercially for the control of pest and diseases. The overall aim of biopesticide research is to make these biopesticide products available at farm level at an affordable price, and this would become a possible tool in the integrated pest management strategy. Moreover, biopesticide research is still going on and further research is needed in many aspects including bioformulation and areas such as commercialization. There has been a substantial renewal of commercial interest in biopesticides as demonstrated by the considerable number of agreements between pesticide companies and bioproduct companies which allow the development of effective biopesticides in the market. This paper has reviewed the important and basic defection of major biopesticides in the past. The future prospects for the development of new biopesticides are also discussed.


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