Using twenty maize cultivars, plant dry matter production, n absorption and. While this test provides an accurate estimate of n status at physiological maturity, it requires destructive measurements brouder et al. Taxonomically and nomenclaturally maize is known as z. Pdf agrobacterium tumefaciensmediated transformation is an effective. This standard applies to maize corn for human consumption, i. Phytochelatins as biomarkers for heavy metal stress in. Machlomovirus and sugarcane mosaic virus scmv potyviridae. Zea mays stands out as a marked exception, with thickwalled sieve tubes that. Involved in the regulation of carbon partitioning in the leaves of plants. Leaf chlorophyll content for each color chart class was determined using two leaflevel sensors. Pdf genetic variability for yield parameters in maize.
Including climatological data significantly improved the ability to predict final grain yield along with using midseason sensor data. Increased soilsalinity and waterdeficiency are the two major factors limiting the maize plant growth and development and subsequently affecting its grain and biomass yields, and the yield. The maggot bore into the seeds and seedlings and may result in seedling death seedcorn beetle. With the disease being new to africa, minimal effective management strategies exist against it. C r qian, y yang, x j gong, y b jiang, y zhao, l z yang, y b hao, l li, z w song, w j zhang. The future of c4 research maize, flaveria or cleome. Effects of planting density and nitrogen fertilizer rate on. Application of regression models for area, production and. Although a food staple in many regions of the world, most is used for animal feed and ethanol fuel. Varieties kaikai, eeyh16, eeyh15, sdm1, tzee129, eeyh3, eeyh17, syneeq, 30g19 were studied under.
Asian journal of biotechnology and genetic engineering, 3 1, 4148. Maize has been selected as one of the high priority crop to feed the increasing population of ethiopia. Adult attack germinating seeds and seedlings, causing stunted growth. Oct 18, 2019 a diseased maize plant image courtesy of. Pdf growth and leaf area index simulation in maize zea mays l.
Is the only cereal, which was grown systematically by american indians. Agronomy free fulltext biostimulation of maize zea. From both types of maize, seeds were sown in experimental plots, plants harvested at the. Skelabelgrade, serbia abstract the action, efficiency and selectivity of the herbicides ace. A field trial with shading nets was conducted in southwest germany to evaluate the influence of different shading levels. O box 8, ethiopia email of the corresponding author. The present investigation was carried out to study area, production and productivity trends and growth rates of maize zea mays crop grown in panchmahal region of gujarat state, india for the period 194950 to 200708 based on parametric and nonparametric regression models.
Therefore, reducing water use during crop production by the application of regulated deficit irrigation rdi is crucially important in water resources. To meet the increasing demand for animal and human consumption, studies have suggested that the maize production must double especially in developing. A total of 300 29dold male pekin ducks were randomly distributed into three dietary treatments using five replicate pens per group and 20 birds. Thus, improvement of nitrogen use efficiency nue in summer maize has become. Review on plant population density and row spacing effects. Successful maize production depends on the correct application of production inputs that will sustain the environment as well as agricultural production. Four days later, the most uniform of those plants were selected and maintained in a hydroponic batch culture for 3 days in wellaerated distilled h2o. Maize zea mays is one of the most important cereal grain crops used as the human diet, livestock feed and raw material for various industries in large parts of the world 1. Abstract maize crop zea mays is facing lots of problems from different pests throughout.
This study reports the ultrastructural changes in maize endosperm that result from exposure to high temperature during cell division. The root system is dominated by 2030 adventitious roots which emerge in rings from the stem base pointing radially downwards and. Studies have shown that that about 85% of maize farmers in western kenya plant local varieties with about 80%. Effect of dry and wet milling processing techniques on the.
Impact of fungal endophyte colonization of maize zea mays. The effects of gamma radiation are investigated by studying plant germination, growth and development, and biochemical characteristics of maize. Maize zea mays is one of pakistans most important cereal crops and is widely used both for human consumption and for livestock. One traditional method for monitoring excess n in maize zea mays l. This standard specifies requirements for whole grain shelled dent maize, zea mays indentata l. Since corn is considered a gluten free cereal, it can be used in the production of gluten free bread. I consider these two assertions as positive, in spite of the contrary opinion of some authors, and the doubts of the celebrated agriculturist bonafous, to whom we are indebted for the most complete treatise. Browse the list download sequence and annotation from refseq. It is thus being an important crop for overall food security of.
Research article constraints to onfarm maize zea mays l. Animals free fulltext a preliminary study of chemically. Microorganisms free fulltext the bacterial community. Sorour saedpanah, khosro mohammadi and mohsen javaheri agronomic traits of forage maize zea mays l. Most of the maize grain produced is used as animal feed, but in some. Shading the plants causes a delayed development, a reduction in. The lcc consisted of four levels of greenness and was used to sort maize leaves in 2011 for three fields near mead, nebraska, usa.
In eastern africa, maize lethal necrosis mln is caused by the coinfection of maize plants with maize chlorotic mottle virus mcmv tombusviridae. There have been four principal and several minor theories regarding the origin of maize. Perintis kemerdekaan km 10 makassar 90245, indonesia. Growth and productivity of winter maize zea mays l. Artificial chromosome formation in maize zea mays l. The the soil characteristics where the experiment is carried out are alkali and poor in organic matter due to monoculture cotton growing. Nitrogen and phosphorus are two of the essential nutrients for maize plant growth and development. Our results show that the germination potential, expressed through the final germination percentage and the germination index, as well as the physiological parameters of. In this study, the composition and diversity of the bacterial communities of the silage process of amarillo zamorano az mexican maize landrace with relation to the antilope a commercial hybrid are described. Herbicide isoxaflutole merlin provides solid grass and broadleaved weed control in corn. Molecular mechanisms for regulating seed amino acid levels. The use of biomarkers such as phytochelatins pc, non. Plant density and nitrogen responses of maize hybrids in. Characterization of lown responses in maize zea mays l.
Ultrastructural characterization of maize zea mays l. Globally, rates of maize consumption have been rising since 1961 from 158 to 162 kcalday in 2001 faostat 2001. An icon used to represent a menu that can be toggled by interacting with this icon. Pdf performance evaluation of maize hybrids zea mays l. District introduction maize zea mays is one of the most important cereal grain crops used as the human diet, livestock feed and raw material for various industries in large parts of the world 1. The area and production under maize in the world in 202014 was 177 m ha with 967 mt. Pdf efficient biolistic transformation of maize zea. Major topic zea mays free full text articles in pubmed. Corn is the most efficient plant for capturing the energy of the sun and converting it into. The variation within each lcc class was reasonable. Farm gaya, during 201220to assess ten 10 varieties of maize zea mays l. Effects of planting density and nitrogen fertilizer rate. Diverse sets of maize genotypes having contrasting hydroxycinnamate contents and borer resistance levels were evaluated. Iowa state university of science and technology cooperative extension service ames, iowa, june 1993.
Compositional and free radical scavenging properties of zea mays female. The anchorage system of mature maize zea mays was investigated by combining morphological and anatomical study of the root system with mechanical tests on roots and with studies in which plants were pulled over. Pdf genetic variability for yield parameters in maize zea. Zea mays maize, corn vincent major reference works. In maize zea mays, used as a model for cereals, an efficient agrobacterium tumefaciens.
Mladen markovi c1, rade proti c2, nada proti c3 1 agrocentarhem, belgrade, serbia 2 institute for science application in agriculture, belgrade, bul. The crop1 ranks first in total production area and yield per hectare 2. Main pests and diseases of maize zea mays agriculture nigeria. Efficient biolistic transformation of maize zea mays l. Parent characterization of quality protein maize zea mays. Effect of herbicides on weed control and productivity of.
Maize zea mays is the most important and beneficial cereal crop in the world. Maize dry seeds are exposed to a gamma source at doses ranging from 0. Genetic variability for yield parameters in maize zea mays l. Pdf efficient biolistic transformation of maize zea mays.
Meanwhile, drip irrigation gave the highest total carbohydrates constituents, free amino acids and proline contents. Presentation mode open print download current view. Different crop models including maize ceres, stics and other approaches have been used to simulate leaf area index lai in maize zea mays l. In case such soils are used for crop production, prediction of yield reduction or quality decline due to heavy metals in the soil is inadequate when based only on chemical soil analysis. The cell wall putatively plays a role in hostplant resistance to phytopathogens. Pdf on mar 23, 2020, yahya a a m alnaseri and others published study of growth and yield of maize zea mays l. Zea mays, leaf area, root volume, root length, plant height, root weight, shoot weight, total dry matter. Hybrids of both maturity groups have not been investigated for tolerance to high plant density. Download fulltext pdf download fulltext pdf read fulltext.
This study examined the potential of 10 fungal isolates to colonize maize. 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. C continuously control and at 5 d after pollination dap subsamples were transferred to continuous 35. Gamma radiation effects on seed germination, growth and. Work in connection with eqyptian maize, zea mays, l. In this study, maize plant was cultured in soil contaminated with different levels of crude oil.
Zea mays maize has the highest worldwide production of all grain crops, yielding 875 million tonnes in 2012. Many forms of maize are used for food, sometimes classified as various subspecies related to the amount of starch each had. All varieties were laid down in a randomized complete block design rcbd and replicated three 3 times. Genotype by environment interaction and stability of extra. Zea is a genus of flowering plants in the grass family. Maize production has increased the most because of its greater adaptation to different ecological systems and strong demand for. Fifteen treatment combinations consisting of five levels of nitrogen. Oct 18, 2018 media in category zea mays cultivars the following 36 files are in this category, out of 36 total. Plays a role in photosynthetic sucrose synthesis by catalyzing the ratelimiting step of sucrose biosynthesis from udpglucose and fructose 6phosphate. Applied sciences free fulltext stomatal response of maize. Maize silage is used in the diet of dairy cows, with suitable results in milk yield.
Zea mays, more commonly referred to as maize, is a member of the grass family. Maize is also a necessary component of animal diets, comprising up to 30% of protein and 90% of starch in dairy cows dado 1999. Maize is considered to have evolved from the mexican annual teosintes z. Impact of rhizobial inoculation and nitrogen utilization. Pdf nutrient deficiency detection in maize zea mays l. It is the third most important crop grown after rice and wheat 2. A field experiment was conducted at farmers field of anandapur, mangalpur vdc3, chitwan, nepal during winter season from september 2006 to february 2007 to study the effects of nitrogen and plant population on maize. There are few reports on the biostimulants used for growth and water use efficiency wue in maize zea mays linn.
Rheology and functional properties of complementary food made. Abstract background the unique features of nanoparticles can improve the effectiveness of seed priming with metallic ions, boosting plant growth and the defense response. Effect of row width and plant population density on yield and quality of maize zea mays silage. Christopher colombo encounters that maize was cultivated in haiti, where it was named mahiz.
Plantmicrobe interactions may occur at phyllosphere, endosphere and rhizosphere bhattacharyya and jha 2012. Pyridine nucleotidedependent ferricyanide reduction. Accordingly, the writer, while presenting his own synthesis and a composite view, provides a service to the researchuser. Two hundred s1 generation selfed seeds of maize zea mays l.
Rheology and functional properties of complementary food. New insights into trophic aerenchyma formation strategy in. It is high yielding, easy to process, readily digested and cheaper than other crops. Heavy metal contaminated soils often show increased levels of more than one metal, e. Before backfilling, 300 ml water was poured into each seed hole to encourage seedling emergence. It possesses over 32,000 genes on ten chromosomes with a genome size of 2. Water deficits during the growing season are a major factor limiting crop production. Effect of herbicides on weed control and productivity of maize zea mays l. Maize zea mays, linnaeus maize is of american origin, and has only been introduced into the old world since the discovery of the new. Zea mays corn oil market research report 2020 download free pdf sample. Maize zea mays is widely cultivated throughout the world and it is one of the most important staple grain crops in the world. Maize has been selected as one of the national commodity crops to satisfy the food selfsufficiency program of the country to feed the. Parent characterization of quality protein maize zea mays l. However the change in environmental conditions, the expansion of maize to new agroecologies coupled with inadequate maize varieties available for the different environments affects yield improvement programmes in ghana.
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