In their classic study of the enzymes involved in the mobilization of stored carbohydrate reserves in barley, Brown and Morris (3), in 1890, noted that the excised barley embryo formed a large quantity of starch when floated on water for a few hours. More recently investigators (2, 4, 5) working with excised barley embryos appear to have ignored or neglected this important biochemical transform...

Although the aleurone layer of ceral grain seeds has many advantages for the study of gibberellin action, it has the disadvantage that the hand-isolation of the aleurone layers is time-consuming. To overcome this disadvantage, a commercially available pasta machine was modified and used to remove aleurone layers from imbibed barley (Hordeum vulgare) seeds. This equipment allows isolation of a t...

The current study included qualitative diagnosis and quantitative estimation of some active compounds in two types weeds, namely wild mustard Hordeum sp. barley Brassica results showed that these plants contained several chemical were diagnosed as phenolic acids. Wild three compounds, namely: Galic acid, Resorsenol, Vanillin While four benzoic acid. also variation the concentration extracts wee...

Zestaw 478 linii jęczmienia (Hordeum vulgare L.) był badany pod kątem odporności na mączniaka prawdziwego. Badane linie wyprowadzono z odmian miejscowych jarego pochodzących głównie Basenu Morza Śródziemnego. W badaniach wykorzystano trzy izolaty Blumeria graminis o znanym profilu wirulencji. Ocenę wykonano siewkach w warunkach kontrolowanych. Badanie pozwoliło wyselekcjonować 111 odpornych jęc...

An antibody specific for ribulose 1,5-diphosphate carboxylase was used to isolate the enzyme from greening barley (Hordeum vulgare L.) leaves. The increase in enzymatic activity during greening was due to de novo synthesis of the enzyme. Increases in enzymatic activity were accompanied by corresponding increases in enzyme protein and by incorporation of radioactive leucine, all of which were in...