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Abstract

Chinese wheat cultivar “Lantian 9” showed a stable high yield in the field. Together with its other desirable traits such as tolerance to cold, drought, leaf rust and stripe rust, made it a good source for wheat breading. In our preliminary test, “Lantian 9” showed a typical adult resistance phenotype (susceptible at seedling stage but high resistance at adult stage) to most of the major Chinese leaf rust pathotypes. To clarify the adult-plant resistance (APR) genes in this cultivar, a population with 197 F2:3 lines was generated by crossing “Lantian 9” with susceptible line “Huixian Hong”. The population was phenotyped in the field over three years (year 2012

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