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United States Department of Agriculture

Agricultural Research Service

Research Project: METABOLISM AND ANALYSIS OF CEREAL PHYTOCHEMICALS

Location: Cereal Crops Research

Title: Plant defense activators: applications and prospects in cereal crops

Author
item Wise, Mitchell

Submitted to: Recent Advances in Phytochemistry
Publication Type: Review Article
Publication Acceptance Date: June 8, 2012
Publication Date: January 3, 2014
Citation: Wise, M.L. 2014. Plant defense activators: Applications and prospects in cereal crops. In: D.R. Gang, editor. Recent Advances in Phytochemistry, Vol 43, “50 Years of Phytochemical Research”. Springer International. p. 55-70.

Technical Abstract: This review addresses the current understanding of the plant immune response and the molecular mechanisms responsible for systemic acquired resistance as well as the phenomenon of "priming" in plant defense. A detailed discussion of the role of salicylic acid in activating the plant transcription co-activator NPR1 is provided. NPR1 plays a central role in transcriptional regulation of plant defense gene expression. The concept of priming is discussed in terms of the epigenetic alterations regulating its expression and the potential of priming plant immunity in terms of crop protection, particularly how it relates to reducing allocation costs of plant disease defense responses. Novel concepts such as second generation induced resistance are presented and a short description of the historical development of commercially available plant defense activators is given. Prospects for future use of PDAs in cereal crops are discussed.

Last Modified: 7/22/2014
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