Proteins and resistance of wheat to stem rust: non involvement of some serologically and electrophoretically determined proteins

Barna, Balázs and Balázs, Ervin and Király, Zoltán (1975) Proteins and resistance of wheat to stem rust: non involvement of some serologically and electrophoretically determined proteins. PHYSIOLOGICAL PLANT PATHOLOGY, 6. pp. 137-143. ISSN 0048-4059

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Abstract

Leaf proteins of Triticum dicoccum cv. Khapli determined by the agar-gel-diffusion analysis and by electrophoresis were partly decomposed with simultaneous loss of resistance to Puccinia graminis f. sp. tritici race 11 in detached leaf cultures. However, abscisic acid treatment, which induced protein decomposition (senescence) of attached leaves similar to that induced by detachment, did not affect rust resistance. Furthermore, treatment with maleic hydrazide did not influence protein composition of primary leaves, but rust resistance was still lost in Khapli seedlings. It is concluded that, with the methods used in this study, protein changes in Khapli wheat leaves do not correlate with changes in resistance to stem rust.

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