Zea mays seed production pdf

Family poaceae on the properties of soil perera, k. Field experiment was conducted at breeder seed production farm of mahatma phule krishi vidyapeeth, rahuri for two consecutive kharif seasons of years 2010 and 2011 to find out most efficient and economic combination of different organic and inorganic sources of nutrients to increase the productivity of hybrid maize zea mays l. Maize planting in most third world countries involves placing 23 seeds per hill, with hills. Agronomy journal abstract growth stages of corn zea. Maize production, economic analysis, peasant farmers. Seeking the best method of fertilizer application on maize zea mays l. Seeds of zea mays were germinated in glass petridishes of 100. The effect of planting distance and number of seeds on growth. However, the yield of open pollinatedmaize zea maysl. A study on the impacts of corn cultivation zea mays l. The basidiomycete ustilago maydis causes smut disease in maize zea mays by infecting all plant aerial tissues. In this document the terms maize and corn are used to refer to z.

Corn scientifically known as zea mays is also referred to as maize is a large grain plant first domesticated about 10,000 years ago by indigenous peoples in mexico. A copious quantity of pollen production is desirable from the male parent in hybrid maize zea mays l. This study aimed to evaluated different methodologies and water potentials for priming of maize seeds, in order to increase vigor. It is labeled as hybrid seed and sold to the farmers for commercial cultivation. Seed saved from male rows of the previous production of the same cross can not be used for planting of border or for planting with isolation distance. The dependence of physical properties of soybean on moisture content was determined.

The physical properties of seeds play an important role for designing seed seed pmh 1, pmh 10 and pioneer 3396 properties of the maize seeds such as size, shape, hundred grain weight, angle of. The infection causes leaf chlorosis and stimulates the plant to produce nutrientrich niches i. In a likewise manner, it is important to know the effect of seed size on germination and seedling performance of maize plant for production of maize on a large scale. Differentiation of multiple shoot clumps and somatic embryos from shoot tips heng zhong, c. Corn, corn seeds reimer seeds, vegetable seeds, flowers. Agronomy journal abstract growth stages of corn zea mays. To identify the ideal harvest time iht for the seed production of xy335 and zd958, six seedrelated traits were evaluated in seeds harvested at 11 harvest stages in 8 environments. The effect of planting distance and number of seeds on. Maize planting in most third world countries involves placing 23 seeds per hill, with hills being roughly 30 cm apart. The ideal harvest time for seeds of hybrid maize zea mays. Petridishes were irrigated with 25, 50, 75, 100, 125, 150, 175 and 200 mm concentrations of nacl. Seed should be planted only deep enough to place it in moist soil below the dry surface layer, this being about 2. Identification of quantitative trait loci controlling.

Studies on physical properties of maize zea mays l. The ideal harvest time for seeds of hybrid maize zea mays l. Seed quality and water use characteristics of maize. Management of hybrid maize seed production fields 19 1. Priority problems that farmers face during seed production. Christopher colombo encounters that maize was cultivated in haiti, where it was named mahiz. Nafziger, in reference module in food science, 2016. World production of maize is around 790 million tones and it serves as a staple food providing more than onethird of the calories and proteins in some countries chulze. Materials and methods the seeds of maize zea mays l.

The oil from sweet corn is utilized in paints and soaps. Optimization of doubled haploid production in maize zea. The name maize is derived from the arawakcarib word mahiz. Seed yield performance of different maize zea mays l. The word maize is derived from the spanish form of the indigenous taino word for the plant, mahiz. New zealand journal of experimental agriculture 1978 6. Studies have shown that that about 85% of maize farmers in western kenya plant local varieties with about 80% using own farmsaved seeds. It is also used in the production of mineral makeup. The result further revealed that on every naira invested in maize production, respondents were able to make n1. Influence of plant severing on movement of ostrinia.

Pdf on dec 1, 2019, gloria boakyewaa adu and others published hybrid maize seed production find, read and cite all the research you need on researchgate. Reimer seeds has over 5,000 quality vegetable, flower, and herb seeds for the home gardener and market growers. Aug 02, 2011 seed saved from male rows of the previous production of the same cross can not be used for planting of border or for planting with isolation distance. Sciencedirect ethanol production and mitochondrialrelated gene expression of maize zea mays seed during storage chalisa chaengsakul1, 2, 3, damrongvudhi onwimol1, 2, 3, pasajee kongsil1, sawita suwannarat4 1 department of. The seeds were selected randomly on the basis of uniformity of size. Reardon usdaars, corn insects and crop genetics research unit, and department of entomology, iowa state university, 102 genetics laboratory, ames, ia. Seed germination is an essential process in any plant development in order to obtain an optimal number of seedlings that results in higher seed yield. Seed production under contract farming in bangladesh.

This research was conducted to better understand if variation in pollen production is due to stress during initiation of specific pollen production components. Effect of rate and time of fertiliser nitrogen application on total plant, shoot, and root yields of maize zea maysl. Most of the maize grain produced is used as animal feed. Maize is not only a major cereal crop in the present day world but it. In pakistan, maize is the fourth largest grown crop after wheat, cotton and rice. The question then arises whether such fractionation would promote plant yield improvement.

The selected seeds were surface sterilized by dipping in 5 % sodium hypochlorite solution for five minutes. This document provides an overview of baseline biological information relevant to risk assessment of genetically modified forms of the species that may be released into the. Maize zea mays l has enough nutrition and crude fibers as a substitute of rice, besides it is used for animal feed ingredients feed and industrial raw materials ditjen pphp, 2005a. While open pollinated maize seed production is relatively straightforward, hybrid seed production requires additional field practices that are critical to success. Effect of cattle manure and inorganic fertilizer on the. Hybrids, landraces, seed quality, water use, zea mays. Glue is made from the starch of the seeds the pith of the stems is used to make packing material fiber from seed husks and stems is used to make paper. Successful maize production depends on the correct application of production inputs that will sustain the environment as well as agricultural production. Detailed information on maize cultivation practices in australia is covered in publications by the. Local maize zea mays indurate, called manado kuning, has. Optimization of doubled haploid production in maize zea mays l. Effect of cattle manure and inorganic fertilizer on the growth and yield of hybrid maize zea mays. Integrated nutrient management in maize zea mays l. To determine the influence of different methods of fertilizer application on the.

K department of botany, open university of sri lanka, nawala, nugegoda, sri lanka abstract maize or corn zea mays l. A part of the stem is also used in packing material 7. Relationships with kernel properties and water uptake. Seed rate for hybrid maize is 8 10 kg per acre in the case of ridges sowing. Effect of seed size on germination and early growth of. Influence of plant severing on movement of ostrinia nubilalis larvae in zea mays hybrid seed production fields k. The production system is characterized by late harvesting, heavy striga infestation, use of local varieties, and lowsoil fertility. It comes after wheat and rice in terms of world importance. Since corn is grown in climatically diverse regions and under different production conditions, assuming that high salinity in the substrate affect corn seed performance, such conditions were simulated in this. For hills in checkrows, 34 plants per hill are best with hills spaced about 0. Influence of different methods of fertilizer application. The objective of this study was to test an onfarm seed production system which would help improve yield and.

Economic analysis, maize production, maize farmers. The field experiment was conducted during kharif 20 at the agronomy farm, college of agriculture, kolhapur on sandy clay loam soil with different row ratio of maizecowpea fodders under sole and intercropping systems for getting higher fodder yield. Pdf kernel set in seed production of maize zea mays l. Pdf the study looked at the application of path analysis in seed production find, read and cite all the research you need on researchgate. During the survey, it was found that about 80% of the farmers produce and store their own seeds for planting in the next cropping season. The experiment was conducted in the summer 2012 and was repeated in 20 on the same. The research entitled effect of herbicides on yield and yield components of maize zea mays hybrids was carried out at the new developmental farm 34. Seed size effect on yield quantity and quality of maize zea mays l. This year we reduced our prices on many items, added new items, and have added additional bulk items by the ounce and pounds. Hybrid maize technologies available for commercial production 10 1. Dec, 2017 to identify the ideal harvest time iht for the seed production of xy335 and zd958, six seed related traits were evaluated in seeds harvested at 11 harvest stages in 8 environments. Salt tolerance of corn genotypes zea mays l during.

An economics training manual, completely revised edition. However tassel size and presumably pollen production varies across environments. Maize zea mays l is the most important and most widely distributed cereal in the world after wheat and rice. Influence of different methods of fertilizer application on.

It is the process of removal of voluntary plants, offtypes, other crop plants, pollen shedders, and objectionable weed plants from the seed field before either of the. Detailed information on maize cultivation practices in australia is covered in publications by. This document provides an overview of baseline biological information relevant to risk assessment of genetically modified forms of the species that may be released into the australian environment. Seeds inderpal singh brar, anoop kumar dixit, rohinish khurana and anand gautam department of farm machinery and power engineering, punjab agricultural university, ludhiana 141004, punjab, india corresponding author a b s t r a c t metering device. Is the only cereal, which was grown systematically by american indians.

249 27 557 1058 625 1301 190 1169 1313 322 337 1312 1285 153 116 462 1220 1435 786 737 1155 778 1273 469 1237 61 76 932 1386 5 1360 204 109 672 402 1025 1210 121 880 1387 953 157 746 354 942 107 1143