At this stage, offtype and disease plants may be rouged. The production system is characterized by late harvesting, heavy striga infestation, use of local varieties, and lowsoil fertility. 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. Pdf maize hybrid seed production manual peter setimela and. High plant populations are appropriate for earlyplanted crops under high rainfall or irrigated conditions where management is of a good standard. This is a history of the development of hybrid corn zea maize l. The association believes that the manual will help seed producers to. The manual covers pictorial presentation of the field operation, disease and insect pest management and seed quality standards that help to be competitive in the supply of quality seed to farmers. For maize hybrid seed production, well drained sandy red or black cotton soil is suitable. Maize hybrid seed production manual kenya seed sector platform.
The tassels, the male part, produce the pollen needed to produce seed. Mechanisms for hybrid seed production vegetable breeding. Mean distance km to fertilizer and hybrid maize seed stockist table 8. Limagrain group have produced a video demonstrating the production of hybrid maize seeds, from sowing to delivery onfarm.
This purchase gave them control over the genetics for 55% of the lettuce on u. Hybrid maize seeds suppliers, exporters and manufacturers. Choice and development of restorer or male parent rline 3. Pdf hybrid seed production technology in maize researchgate. Baduapraku training course on increasing the capacity of research technicians in breeding. The ghana grains development project 19791997 and the food crops development project 20002008 made major investments to improve maize yield. Since then, there has been a dramatic increase in maize grain yields in temperate regions of the world with more than 500jo of this gain attributed to.
Thus, from the very start of hybrid seed production, the identity. Hybrid maize seed production involves deliberately crossing a female parent population with a male parent in isolated fields. We are a wellreckoned hybrid maize seeds manufacturer and supplier in jalna, maharashtra. Number of released crop varieties from 1950s to date table 9. Hybrid seed production sorghum and pearl millet 6 identification of potential hybrid parents a,b and rlines 6. Limagrain group video demonstrating the production of hybrid maize seeds, from sowing to delivery. You can judge seed moisture content by biting the seed. Esa has hybrid maize seed production manual to be used by its members and partners. It is one of the main contributors to the dramatic rise in agricultural output during the last half of the 20th century. Pollen travels along the silks to fertilize seed embryos on the ear. Limagrain introduces its new rapekale hybrid variety unicorn.
The selected fields should be free from volunteer maize plants. Seed rate seed rate for hybrid maize is 8 10 kg per acre in the case of ridges sowing. The challenges and some answers to maize cropping in zambia. Find here directory of hybrid maize seeds, hybrid maize seeds suppliers, exporters and manufacturers. At this time the maize seed field is most susceptible to genetic contamination from windblown pollen coming from offtype plants within the field or other maize varieties in surrounding fields. Example of a record sheet for maize hybrid seed production. Seed rate for fodder crop or for broadcasting is 40 50 kg per acre. Selection of maize varieties, planting and cultural practices three hybrid varieties of maize were obtained from international institute of tropical agriculture iita, ibadan. Paper 11 hybrid maize seed production agronomy society. Pdf ppt related to hybrid seed production technology find, read and cite all the research you need on researchgate. The development of hybrids, first doublecross and later singlecross hybrids, along with a transition to high input farming provided huge yield increases, which have continued to improve with improving technology. The objective of this study was to test an onfarm seed production system which would help improve yield and quality of farm. Hybrid maize technologies available for commercial production 10 1. Appendix table 2 psc wheat seed sales 197986 lk appendix table 3 zimbabwe maize seed cost calculations 198289 101 appendix table 4.
Strategies for strengthening and scaling up communitybased. Seed production technology spt process dp3281 corn oecd unique identifier. The pericarp is the outer part of the seed, and is made up of several cell layers, which act as barriers to diseases and moisture loss. Macrobert, peter setimela, james gethi and mosisa worku regasa may 2014 maize hybrid seed production. Studies have shown that that about 85% of maize farmers in western kenya plant local varieties with about 80% using own farmsaved seeds. Botanically it is known as zea mays and belongs to the family poaceae.
To achieve higher productivity and resourceuse efficiencies optimum plant stand is the key factor. The endosperm is the seeds food storage compartment, which contains. Dp3281 draft environmental assessment december 2010 agency contact cindy eck biotechnology regulatory services 4700 river road usda, aphis riverdale, md. Hybrid maize from maslaha seed company sdm 1 out yielded all other varieties in both 20, 2014 and combine 4490. The production of certified seed for maize double hybrids is based on the crossing of two simple maize hybrids, one of which is used as a seed producer maternal form, axb and another as. Effects of variety and spacing on growth characters of.
Hybrid maize seed production manual ethiopian seed. Introduction hybrid maize seed first became available to growers in the u. It should be on main road which helps in frequent monitoring during flowering, which in turn affects the genetic purity and hybrid stability due to. Large quantities need to be kept in a raised crib or granary. Single cross hybrid maize seed production vikaspedia. Klein karoo seed production make use of six sgasa accredited nurseries, throughout the different production areas. The cosegregation method gave higher seed yield, better efficiency, and equal or better seed quality percentage germination, 100seed weight. The hybrid maize seeds offered by us are hugely soughtafter due to their high germination rate. Maize production maize is an important food crop in ghana, accounting for more than 50 percent of the countrys total cereal production. The following points highlight the four main steps of hybrid seed production. Hybrid seed production requires considerable technical skill.
It also includes the staple vegetative planting materials such as cassava and potatoes. Sales of pioneer maize seed in the uk, ireland and scandinavia were. Development of hybrid corn and the seed corn industry. These leading hybrid maize seeds exporting companies are well known for quality product export. Moreover, the hybrid maize seeds are free from any sort of impurities.
The embryo and seed development in maize starts with a double fertilization event. Hybrid varieties hybrids are the first generation offspring of a cross between inbred line parents, open pollinated varieties and. The alternatives to hybridization are open pollination and clonal propagation. Hybrid plants has more performance than the average of their parents. In agriculture and gardening, hybrid seed is produced by crosspollinated plants. Maize seed stores well at a moisture content of 12 %. Seed crop hectares inspected and approved for harvest table 11. This advancement will build on pioneers industryleading ability to respond to customer demands for reliable supplies of high quality hybrid seed corn. Practical seed production workflow and documentation examples. Nurseries take care of each seed lot and aim to produce quality seedlings for the seed supply chain.
Maize is common millet of india with wider industrial and household utility. Seed production technology spt process is an innovative, proprietary seed production process that is expected to dramatically increase the efficiency of hybrid seed production. Seed production procedures in sorghum and pearl millet. Maize hybrid seed production manual excellenceinbreeding. Small quantities of cobs can be bundled and hung indoors. Hybrid seed production in sunflower and maize authorstream. It is used a feed, food and raw material in soft drink industry. Check out limagrains 6 minute video, detailing the process of producing hybrid maize seeds, all the way from sowing the seed to delivery. Hybrid seed production is predominant in modern agriculture and home gardening.
Plough the field five to six times to get fine tilth. The difference between open pollinated, hybrid and gmo. Pdf maize hybrid seed production manual peter setimela. It is depending on purpose of sowing, type of of maize, varieties and farm condition. Production of hybrid maize seeds, from sowing to delivery. This is the most simple mechanism of producing f1 hybrid seed provided. Maize seed should be sown with dibbling or drilling method.
Maize or makka or corn crop cultivation guide maize. Seed is dressed with some systemic insecticide, for example imidacloprid at the rate of 1g per kg of seed. A maize plant has both male and female reproductive components. Regular inspections of nurseries by kksps crop specialists and excellent nursery management, are key factors in seedling success. Management of hybrid maize seed production fields 19 1.
There should be cloud free clear climate when we go for seed production. Hybrid maize seed first became available to growers in. One sperm cell fuses with the egg cell whereas the second sperm cell fuses with the binucleate central cell of the embryo sac to give rise to the endosperm. Economic efficiency and constraints of maize production in the northern region of bangladesh.
Hybrid maize seeds,hybrid maize seeds karan manufacturer. Sowing methods maize can be sown on both flat soils as well as on the. Hybrid seed production in maize crossing technique. Shot in rural zambia, this raw and honest story explores some of the most pressing issues of our timepoverty. Progeny resulting from a cross of two inbreeding parents and this process is called hybridization.
Maize seeds were sown at depth of 23cm in plots measuring 2. After reading this article you will learn about the mechanism for hybrid seed production. Increase in maize production also causeda rise in western corn rootworm diabrotica virgifera. Comparison of kenyas maize productivity with other countries table 10.
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