Search for partial resistance to leaf rust in a collection of ancient Spanish wheats

F. Martinez, R.E. Niks, A. Moral, J.M. Urbano, D. Rubiales

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

A collection of 917 accessions of Spanish durum and bread wheat was screened for resistance to leaf rust (Puccinia triticina) under field conditions at three locations. Resistance levels ranged from very low to very high, high susceptibility being most frequent. Relative disease severity (referred to the most susceptible accession = 100 %) was lower than 20 % in about 6 % of the accessions in each location. In the collection most of the lines (84 %)displayed a susceptible infection type. A final selection of seven accessions (one of them durum) displaying low severity level in the field and high infection type in a growth chamber was chosen for further studies. High levels of partial resistant with longer latency period and high percentage of early aborted colonies without necrosis were found. They might be used in breeding programmes.
Original languageEnglish
Pages (from-to)193-197
JournalHereditas
Volume135
Publication statusPublished - 2001

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