Races ofPuccinia graminisf. sp.triticiin the United States and Mexico in 1981
- 1 January 1983
- journal article
- research article
- Published by Scientific Societies in Plant Disease
- Vol. 67 (1) , 82-84
- https://doi.org/10.1094/pd-67-82
Abstract
Wheat stem rust was light in 1981. Rust was found overwintering in 3 locations in the southern USA. Disease spread was retarded by dry weather and advanced crop maturity in the northern winter wheat areas. Resistant cultivars prevented disease development in the spring and durum wheat area. Race 151-QFB comprised 39% of 596 isolates obtained from 230 rust collections; 15-TNM, 36%; 17-HDL, 7%; 11-RCR, 5%; 17-HNL, 3%; 151-QSH, 2%; 15-TDM, 15-TLM, 151-QCB, 113-RKQ, 113-RTQ, 29-HJC, and 56-MBC, 1% or less of the total isolates identified. No virulence was found in bulked uredospore collections for seedlings with Sr genes 13, 22, 24, 25, 26, 27, 29, 30, 31, 32, 33, Gt, Tt-2, and Wld-1.This publication has 4 references indexed in Scilit:
- Races ofPuccinia graminisf. sp.triticiin the United States and Mexico in 1980Plant Disease, 1982
- Races ofPuccinia graminisf. sp.triticiin the United States in 1979Plant Disease, 1981
- A Comparison of Virulence Phenotypes in Wheat Stem Rust Populations Reproducing Sexually and AsexuallyPhytopathology®, 1980
- Low Infection Types Produced byPuccinia graminisf. sp.triticiand Wheat Lines with Designated Genes for ResistancePhytopathology®, 1979