نتایج جستجو برای: maize zea mays l
تعداد نتایج: 652330 فیلتر نتایج به سال:
This research was conducted to study the impact of potassium and nitrogen fertilizers on trace element content maize (Zea mays L.). Higher doses fertilizer led a linear increase in cadmium, lead, nickel, zinc, manganese content, lower Fe:Zn Fe:Mn ratios. Moreover, cobalt level increased upon decreased higher potassium. The levels other elements (iron chromium) determined by dose and, particular...
Maize (Zea mays) is one of the most important cereal crops grown principally during raining season in Ethiopia which commonly used for both human consumption and poultry feed. Green house experiment on effect watering frequency germination early growth maize was carried out at Ambo Agricultural Research Center using a hybrid variety (Jibat) from December 1 to January20th, 2018/19. The study con...
Reduced forms of ascorbate (AsA) and glutathione (GSH) are among the most important non-enzymatic foliar antioxidants in maize (Zea mays L.). The survey was aimed to evaluate impact of bird cherry-oat aphid (Rhopalosiphum padi L.) or grain aphid (Sitobion avenae F.) herbivory on expression of genes related to ascorbate-glutathione (AsA-GSH) cycle in seedlings of six maize varieties (Ambrozja, N...
Graminaceous arabinoxylans are distinguished by decoration with feruloylated monosaccharidic and oligosaccharidic side-chains. Although it is hypothesized that structural complexity and abundance of these feruloylated arabinoxylan side-chains may contribute, among other factors, to resistance of plant cell walls to enzymatic degradation, quantitative profiling approaches for these structural un...
The origin of maize (Zea mays mays) in the US Southwest remains contentious, with conflicting archaeological data supporting either coastal(1-4) or highland(5,6) routes of diffusion of maize into the United States. Furthermore, the genetics of adaptation to the new environmental and cultural context of the Southwest is largely uncharacterized(7). To address these issues, we compared nuclear DNA...
Nineteen accessions selected from the four species and three subspecies of the genus Zea and one accession from the related genus Tripsacum were surveyed for variation with 21 restriction endonucleases. In all, 580 restriction sites were assayed in each chloroplast (cp)DNA, this representing 2.2% of the genome. Twenty-four of the 580 sites were variable in one or more of the cpDNAs. The number ...
Selenium is an essential element in human diets but the risk of suboptimal intake increases where food choices are narrow. Here we show that suboptimal dietary intake (i.e. 20-30 µg Se person(-1) d(-1)) is widespread in Malawi, based on a spatial integration of Se concentrations of maize (Zea mays L.) grain and soil surveys for 88 field sites, representing 10 primary soil types and >75% of the ...
The complex evolutionary history of maize (Zea mays L. ssp. mays) has been clarified with genomic-level data from modern landraces and wild teosinte grasses [1, 2], augmenting archaeological findings that suggest domestication occurred between 10,000 and 6,250 years ago in southern Mexico [3, 4]. Maize rapidly evolved under human selection, leading to conspicuous phenotypic transformations, as ...
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