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United States Department of Agriculture–Agricultural Research Service research on natural products for pest management
Author(s) -
Duke Stephen O,
Baerson Scott R,
Dayan Franck E,
Rimando Agnes M,
Scheffler Brian E,
Tellez Mario R,
Wedge David E,
Schrader Kevin K,
Akey David H,
Arthur Frank H,
De Lucca Anthony J,
Gibson Donna M,
Harrison Howard F,
Peterson Joseph K,
Gealy David R,
Tworkoski Thomas,
Wilson Charles L,
Morris J Brad
Publication year - 2003
Publication title -
pest management science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.296
H-Index - 125
eISSN - 1526-4998
pISSN - 1526-498X
DOI - 10.1002/ps.633
Subject(s) - biology , fungicide , pesticide , integrated pest management , allelopathy , microbiology and biotechnology , agronomy , germination
Recent research of the Agricultural Research Service of USDA on the use of natural products to manage pests is summarized. Studies of the use of both phytochemicals and diatomaceous earth to manage insect pests are discussed. Chemically characterized compounds, such as a saponin from pepper ( Capsicum frutescens L), benzaldehyde, chitosan and 2‐deoxy‐ D ‐glucose are being studied as natural fungicides. Resin glycosides for pathogen resistance in sweet potato and residues of semi‐tropical leguminous plants for nematode control are also under investigation. Bioassay‐guided isolation of compounds with potential use as herbicides or herbicide leads is underway at several locations. New natural phytotoxin molecular target sites (asparagine synthetase and fructose‐1,6‐bisphosphate aldolase) have been discovered. Weed control in sweet potato and rice by allelopathy is under investigation. Molecular approaches to enhance allelopathy in sorghum are also being undertaken. The genes for polyketide synthases involved in production of pesticidal polyketide compounds in fungi are found to provide clues for pesticide discovery. Gene expression profiles in response to fungicides and herbicides are being generated as tools to understand more fully the mode of action and to rapidly determine the molecular target site of new, natural fungicides and herbicides. Published in 2003 for SCI by John Wiley & Sons, Ltd.

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