1 edition of Developments in hybrid corn production found in the catalog.
|Statement||by G.H. Dungan and others|
|Contributions||Illinois Farmers" Institute|
|The Physical Object|
|Number of Pages||51|
H istorical grain yields offer us a glimpse of yields yet to come, although like the stock markets, past performance is no guarantee of the future. The historical yield data for corn in the U.S. illustrate the positive impact of improved crop genetics and crop production technologies. American farmers grew open-pollinated corn varieties until the rapid adoption of hybrid corn began in the late. I purchased both books below: 1. Corn Crop Production - Growth, Fertilization and Yield Edited by Arn T. Danforth 2. Maize and Grace - Africa's Encounter with New World Crop By James C. McCann The first book: Corn Crop Production, a hard back, is not as scholarly as it could have been and is overpriced at $Reviews: 2.
Hybrid corn production When hybrid seed corn was first produced commercially, 4 to 6 rows of the seed parent (female) were planted and alternated with 1 or 2 rows of the pollen parent (male). The demand for hybrid seed in in the Corn Belt exceeded production, and the hybrid seed industry developed rapidly. The production of hybrid seed requires careful control of the parents. During the experimental phases of developing inbred lines and hybrids, this control is accomplished by covering the ear shoots and tassels with bags and.
The development and diffusion of hybrid corn vari-eties, with their inherent capacity to protect returns to private investment, transformed the U.S. seed industry. Beginning in , approximately companies formed to produce hybrid corn seed and some 40 existing seed companies expanded their businesses to include production of hybrid corn seed. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The recent developments in corn production, breeding, and market emphasis have led to a greater variety of corn hybrids for growers and livestock producers to choose from that focus on the major user, livestock production. Animal use of US corn production consumes 55 to 80 % of all production.
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Genre/Form: book: Additional Physical Format: Print version: Dungan, George Harlan, Developments in hybrid corn production. Springfield [Ill.] Illinois Farmers' Institute . Developments in hybrid corn production, By. Dungan, George Harlan, Illinois Farmers' Institute. Type. Book Material. Published material.
Publication info. Springfield [Ill.]:Illinois Farmers' Institute, Notes: "A cooperative project among the Division of Cereal Crops and Diseases, Bureau of Plant Industry, U.S. Department of. decline of corn production in the state to less thanacres (Figure Intro-1). The increasing nem atode pressure in soils planted to cotton and soy beans, in addition to high yield potentials and new market opportunities, have resulted in a percent increase in corn acreage in the last couple of years.
The s, the first decade in which double-cross hybrid corn assumed national importance, witnessed the nation’s first major sustained increase in corn production. By the s, hybrids widely used in the s were being replaced by new and superior double-cross hybrids that could produce stronger stalks that stood well throughout the.
This is a history of the development of hybrid corn (Zea maize L.) and of the developing seed corn industry by review of the literature and by the personal testimony of colleagues. I identify, describe, and discuss pertinent background germplasm and provide a sampling of seed corn company by: History of the US Hybrid Corn Seed Industry Thomas Hoegemeyer, University of Nebraska-Lincoln The history of the US corn seed industry is inseparable from the history of plant genetics and breeding.
It was clear to late 19th and early 20th century scientists that Mendel’s discoveries were of. for best production. Consider the age of the corn in terms of plant development rather than in days.
With information regarding specific production practices, the other sections of this publication, will be more easily understood. Let’s start with the seed. Corn seed is made up of three primary parts (Figure 1): the embryo from which the new. The development of a new corn hybrid is a slow and costly process.
New hybrids must possess improved yield, standability, pest resistance and tolerance to various stresses. This means that the expertise of breeders, entomologists, pathologists, physiologists and many other specialists are required.
Plant breeding - Plant breeding - Hybrid varieties: The development of hybrid varieties differs from hybridization in that no attempt is made to produce a pure-breeding population; only the F1 hybrid plants are sought.
The F1 hybrid of crosses between different genotypes is often much more vigorous than its parents. This hybrid vigour, or heterosis, can be manifested in many ways, including. Corn: Chemistry and Technology, Third Edition, provides a broad perspective on corn from expert agronomists, food scientists and geneticists.
This encyclopedic storehouse of comprehensive information on all aspects of the world’s largest crop (in metric tons) includes extensive coverage of recent development in genetic modification for the generation of new hybrids and genotypes.
hyBrid VehicleS: Technology deVelopmenT and coST reducTion better, lower-cost hybrid subsystems. Another promising dimension is the development of mild-hybrid systems, which will likely provide one-half to two-thirds the fuel-efficiency benefits of full-function hybrids at less than half the cost.
$0 $ $1, $1, $2, $2, $3, Organic, hybrid sweet corn is a challenging seed crop to grow and source. Great strides have been made over the last several years to accommodate commercial organic farmers’ demand for higher quality organic sweet corn seed.
The first step towards development of a new sweet corn variety is gaining an understanding of which traits are desirable. A Brief History of Hybrid Seed Corn. Hybrid seed corn is so common today we hardly think about it. In fact, more than 95 percent of corn planted today is hybrid corn.
Thanks to hybrid seed, today’s farmers are able to produce 20 percent more corn on 25 percent fewer acres than they did a century ago.
Corn Growth & Development. In the Corn Belt, including Kansas, corn is an integral component to the success of agriculture. Throughout the growing season, the corn plant undergoes a series of developmental stages as it grows from a seed at planting to a tall plant with an ear at harvest. Generally, the equipment and procedures used in planting, detasseling, harvesting, drying, and conditioning of parent seed increases are similar to those used in commercial hybrid seed production.
Successful commercial hybrid seed corn production begins with selection of a growing area and contract growers. The following points highlight the four main steps of hybrid seed production. The steps are: 1. Choice and Development of Seed Parent (A-Line) 2. Choice and Development of Restorer or Male Parent (R-Line) 3.
Maintenance and Multiplication of Parental Seeds 4. Production and Improvement of F 1 Hybrids. Step # 1. In book: Advances in Quality Seed Production of Vegetable Crops, Publisher: Department of Vegetable Science Dr Y S Parmar University of Horticulture and Forestry Nauni Solan, Himachal.
In sweet corn, the sugary (su) or sweet gene on chromosome-4 prevents or retards the normal conversion of sugar into starch during endosperm development, resulting in a sweet taste. Sweet corn is considered a high-quality vegetable when used in the milk stage at % seed moisture, depending on the endosperm type.
The production of hybrid seed corn requires more time, expense and expertise to produce than other commercial crops. A seed corn grower does not plant a variety but rather 2 inbreds that cross to produce the seed of a variety.
Hybrid seed corn production involves the crossing of. The development of hybrid maize:In his paper, Shullreported that inbred lines of maize showed general deterioration in yield and vigor, but that hybrids between two inbreds immediately and completely recovered (Shull); in many cases their yield exceeded that of the varieties from which the inbreds were derived.
for best production. Consider the age of the corn in terms of plant development rather than in days. With information regarding specific production practices, the other sections of this publication will be more easily understood.
Let’s start with the seed. Corn seed is made up of three primary parts (Figure 1): the embryo from which the new.Developing hybrid rice parents and hybrids, and seed production technologies; Researching the science of rice heterosis (hybrid vigor) and other traits of hybrid rice; Facilitating the development of close partnerships between the public and private sectors to promote hybrid rice research and development.
This is a huge advantage for seed corn development. It also allows for mass production of a good hybrid to obtain large quantities of seed for the .