Reactions of Perennial Grain Accessions to Four Major Cereal Pathogens of the Great Plains

Plant Disease
C M CoxT Peters

Abstract

Methods of disease management used in annual grain crops, especially cultural practices designed to disrupt the disease cycle of a particular pathogen, will not necessarily be applicable to perennial grain crops. Resistance to multiple pathogens, therefore, will clearly be important in disease management. The objective of this research was to evaluate disease resistance in 10 perennial grain accessions (one to two accessions of each: perennial wheat (Thinopyrum sp. × Triticum aestivum), intermediate wheatgrass (Thinopyrum intermedium), perennial rye (Secale montanum), hexaploid triticale (Triticum turgidum × S. montanum), octoploid triticale (Triticum aestivum × S. montanum), tetraploid perennial rye (Secale cereale × S. montanum), and tall wheat-grass (Thinopyrum ponticum)) to tan spot (caused by Pyrenophora tritici-repentis), take-all (caused by Gaeumannomyces graminis var. tritici), wheat streak mosaic, and barley yellow dwarf, four important diseases of the Great Plains. Several of the grasses were resistant to tan spot, barley yellow dwarf, and wheat streak mosaic. Indeed, the wild grasses and perennial donors T. intermedium (including BFPMC1), T. ponticum, and S. montanum, in addition to Permontra, a tetraploid perennial ...Continue Reading

References

Aug 30, 2000·Nature·Y ZhuC C Mundt
Jul 31, 2002·Annual Review of Phytopathology·David M WellerLinda S Thomashow
Jul 31, 2002·Annual Review of Phytopathology·C C Mundt
Oct 24, 2008·Phytopathology·K A Garrett, C C Mundt
Jan 1, 1995·Annual Review of Phytopathology·S S JonesR E Allan
May 1, 2001·Plant Disease·William W BockusMerle G Eversmeyer

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