Genetics and Genomics of Pathogen Resistance in Switchgrass [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 668.5 Perfumes and cosmetics
• Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2021
• Mô tả vật lý: Size: 4 p. : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 264000
• Chủ đề: 1. 09 biomass fuels

Tóm tắt

 This project investigates the genetic and genomic bases of resistance/tolerance to disease in switchgrass (Panicum virgatum) populations developed as bioenergy feedstock. The focus is placed populations adapted to the Central Great Plains derived from the hybridization of upland and lowland ecotypes, represented by cultivars Summer and Kanlow, respectively. Resistance was investigated against the rust disease caused by the fungus Puccinia novo-panici (syn. P emaculata) and mosaic disease caused by the virus complex of Panicum mosaic virus and its satellite. Objectives of the project were: 1) to elucidate the genetic and genomic bases of resistance/tolerance in locally adapted upland and lowland switchgrass breeding populations with contrasting disease symptoms under field conditions
  2) determine the molecular underpinnings of why cv Kanlow has broad resistance/tolerance to pathogens
  and 3) discover the molecular differences that permit systemic viral infections in some switchgrass plants but not in other genetically-related plants.