نتایج جستجو برای: یولاف avena sativa
تعداد نتایج: 22079 فیلتر نتایج به سال:
Introduction: Wild oat has become an invasive and economically important weedy species in most cereal growing areas of the world, including the Red River Valley of Minnesota and North Dakota. Approximately 79% of the wheat and 72% of barley acres seeded in northwestern Minnesota are infested with wild oat. In the past, wild oat has been effectively controlled with herbicides, and as a result li...
It has been reported recently that coleoptiles of Zea mays develop a geotropic response under anaerobic conditions (2). The geotropic response of a coleoptile arises from the differential growth of the upper and lower halves of the organ. At least 3 independent investigations have shown that in Avena sativa coleoptiles growth is totally arrested in the absence of 02 (1,6, 9). It is therefore di...
It has been reported recently that coleoptiles of Zea mays develop a geotropic response under anaerobic conditions (2). The geotropic response of a coleoptile arises from the differential growth of the upper and lower halves of the organ. At least 3 independent investigations have shown that in Avena sativa coleoptiles growth is totally arrested in the absence of 02 (1,6, 9). It is therefore di...
The Pyricularia genus includes several pathogenic fungi species that are associated with blast disease in more than 50 Poaceae plants (Ou 1985). Among these species, Pyricularia oryzae is the most important pathogen, due to its global distribution on plants from the Poaceae family. The blast disease caused by P. oryzae is responsible for severe losses in crops of high economic importance such a...
Background & Aims : Man in all historical periods had to use domestic and medicine herbal plants. Over the last half century, the use of synthetic and chemical drugs is highly prevalent. The harmful effect of chemical drugs on human life has increased the tendency to use medicinal plants once more. The aim of this study was to investigate the effect of Avena sativa active ingredients on the w...
The amino acid sequences of phytochrome from Avena sativa, Oryza sativa, Curcurbita pepo, Pisum sativum and Arabidopsis thaliana have been analyzed with a variety of computer programs, with a view to identifying areas of the protein which contribute to the properties of this photoreceptor. A region at the C-terminus has been shown to be amphiphilic, and by analogy with surface-seeking peptides,...
Using horizontal and vertical axis clinostats and sand-grown oat seedlings (Avena sativa), it was found that horizontal clinostat rotation at 2 rpm increased respiration and inorganic and organic phosphorus content of seedlings. Increased coleoptile geotropism and root growth are attributed to rotational nullification of the directional component of the gravitational stimulus. These growth modi...
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