Detection of nitrate reductase activity in nitrate reductase deficient mutants of barley (Hordeum vulgare)

barley cebada cereales cereals crops cultivos cultivos de grano economic plants enzyme inhibitors formas de descendencia forme de descendance grain crops inhibidores de enzimas inhibiteur d'enzyme inorganic compounds mutant mutantes mutants orge plantas plante plante de culture plants progeny forms sales salts sel