The 2016 maize recommended list is based on data collected from dafm trials from 20 to 2015. Unesco eolss sample chapters soils, plant growth and crop production vol. Maize plants are erect and may grow as tall as 3 m, with little tillering capacity. Click below on a thumbnail map or name for subspecies profiles. It comes after wheat and rice in terms of world importance.
Maize production origin, maize global scenario maize production in kamataka maize production in the study area problems of maize production uti 1 ization pattern of maize marketing of maize farm gate price of maize b. Characterization and distribution of invertase activity in developing maize zea mays kernels. It is an annual plant belongingto the grass family and it is a warm season crop requiringwarmer growingtemperatures than the. Maize zea maysl is the staple food of many african countries and many types of maize are grown around the world.
Although little consensus exists as to the origin and early evolution of maize, there is general agreement that maize was first domesticated 7000 to 10 000 years ago in southern mexico. In the americas, maize is called corn, somewhat confusingly for the rest of the englishspeaking world, where corn refers to the. Materials and methods plant material tetraploid maize parental line v182 2n 4x 40 and two maizegamagrass hybrids, zea mays l. Introduction maize is a tropical grass that is well adapted to many climates and hence has wideranging maturities from 70 days to 210 days. Center of origin mexico, central america earliest plant breeders women important source of human and animal sustenance the miracle of maize is manifested in the thousands. Helicoverpa zea, the corn earworm, a major agricultural pest. Zea, an abbreviation for the mycotoxin zearalenone.
The maize grain can be prepared for food in many different ways. Scholars agree that maize was domesticated from the plant teosinte zea mays spp. Zea maize private limited is a private incorporated on 24 july 20. It is not only an important experimental model plant, but also a major livestock feed crop and a significant source of industrial products such as sweeteners and ethanol. Classification for kingdom plantae down to species zea mays l. Grain yield determination and resource use efficiency in.
In sexual reproduction, two gametes fuse, bringing together homologous chromosomes from both parents. Is the only cereal, which was grown systematically by american indians. Nafziger encyclopedia of life support systems eolss 1. The result is a faster and easier auditing process. Genetic modification of maize has been occurring for thousands of years. Growing maize in nigeria choice of land any well drained sandy loam or loamy soil can be used for planting maize but if in doubt, contact your nearest extension office or agroservice center. Introduction this booklet lists the forage maize varieties that are considered most suitable for growing under irish conditions. Dent formation on the top of the kernel having yellow or white colour. Maize zea mays l is one of the most important cereal crops grown in africa and rank the third most cultivated crop in nigeria ayeni, 1987. Furthermore, the genetics of 5 adaptation to the new environmental and cultural context of. In this study we report the systematic analysis of contiguous sequences of the maize genome.
Introduction maize zea mays l is the most important and most widely distributed cereal in the world after wheat and rice. Other moche jars depict maize alone or associated with a variety of animals including birds, frogs. Maize is a highly domesticated crop species that does not. In several countries, maize is the staple food for many people. Materials and methods plant material tetraploid maize parental line v182 2n 4x 40 and two maize gamagrass hybrids, zea mays l. Introduction corn, commonly known as maize zea mays l. It is classified as nongovt company and is registered at registrar of companies, delhi. Because of its economic importance, the genetics of corn has been studied extensively. Browse pictures and read growth cultivation information about zea species, ornamental maize, japanese striped corn zea mays subsp. The depression or dent in the corn of the seed is the result of rapid drying and shrinkage. Archeological and molecular data indicates that modern maize was domesticated from annual balsas teosinte zea mays ssp. Yellow maize, nutritional value, antinutritional factors, fermentation.
The moche depicted maize in association with their anthropomorphic creator god aiapaec fig. Successful maize production depends on the correct application of production inputs that will sustain the environment as well as agricultural production. Maize zea mays is a plant of enormous modernday economic importance as foodstuff and alternative energy source. Paul, minnesota 55108 manuscript received december 3 1, 1990 accepted for publication may 24, 1991 abstract. This document provides an overview of baseline biological information relevant to risk. About the classification report about the classification download. The hypothesis of maize descending from teosinte is the oldest of four widely considered hypotheses on the origin of maize. It is an annual plant belongingto the grass family and it is a warm season crop requiringwarmer growingtemperatures than the smallgrains for example wheat. Zea species, ornamental maize, japanese striped corn zea.
Christopher colombo encounters that maize was cultivated in haiti, where it was named mahiz. Introduction while it is generally recognized that commercial hybrid maize zea mays l. It was advanced by ascherson in 1895 mangelsdorf and reeves 1939. Yellow maize zea mays was fermented according to a traditional fermentation. Nutritional, medicinal and economical importance of corn. Characterization and distribution of invertase activity in. It is also the most widely accepted hypothesis at present. Zea maize private limited company, directors and contact.
The degree of dehulling will change the characteristics of the final maize. Genetic analysis of the morphological differences between. Quality protein maize qpm with homozygous embryo and endosperm for mutant allele o2 at the. It possesses over 32,000 genes on ten chromosomes with a genome size of 2. The production of this crop has been transformed from that of a minor crop being grown around the homestead to a major or. An overview of maize processing chemical composition of maize. With that brief introduction to maize, we encourage you to explore gramenes doorway to zea to learn many more specific details about this unique grass species. Maize milling technologies small, medium and large. We selected 100 random regions averaging 144 kb in.
Maize milling technologies food fortification initiative. This exact trait prompted arturo warman to refer to maize as a human offspring, our plant kin. Zea is a genus of flowering plants in the grass family. Maize is not only a major cereal crop in the present day world but it. Structure and architecture of the maize genome plant. Pdf maizegamagrass interspecific hybrid, zea mays x. It is mainly used as a food source and now has become the most important raw material for animal feed pimentel and patzek, 2005. Maize is also recognized by different synonyms such as zea, corn, silk corn etc. Genetic analysis of the morphological differences between maize and teosinte john doebley and adrian stec department of plant biology, university of minnesota, st. Maize zea mays or corn plays many varied and important roles in society. Maize analytics ebas reporting and filtering capabilities allow healthcare privacy officers to more quickly identify suspicious activities like snooping and identity theft and distinguish them from legitimate record accesses. Grain yield determination and resource use efficiency in maize hybrids released in different decades 21 in kernel number at low resource availability per plant 29.
It spread to the rest of the world after european contact with the americas in the late 15th and early 16th century. These histories of maize show that in some cases its symbolic role to. Several wild species are commonly known as teosintes and are native to mesoamerica. There have been four principal and several minor theories regarding the origin of.
Zea surname, a surname zea island, an island of the cyclades archipelago bay of zea, one of the harbours of piraeus. Maize research institute zemun polje, slobodana bajica 1, 11185. The contributions in this volume demonstrate that its role was more complex and varied than had been previously assumed. Evaluation of different maize varieties zea mays l. Maize is thought to have originated at least 5000 years ago in the highlands of mexico, peru, ecuador, andor bolivia because of the great density of native forms found in the region. The average sowing and harvesting dates for these trials was 16th april and 19th october respectively. Zea maize, commonly called corn in the united states, is one of the most important food crops. The origin and evolution of maize in the southwestern. John doebley laboratory of genetics, university of wisconsin, madison, wisconsin 53706. The plants database includes the following 3 subspecies of zea mays. Maize zea mays, poaceae family is a cereal crop grown in various agroecological zones, as a single crop or in mixed cropping.
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