Multicellular living organisms and unmodified parts thereof and – Plant – seedling – plant seed – or plant part – per se – Higher plant – seedling – plant seed – or plant part
Reexamination Certificate
2003-01-31
2004-12-28
Mehta, Ashwin (Department: 1638)
Multicellular living organisms and unmodified parts thereof and
Plant, seedling, plant seed, or plant part, per se
Higher plant, seedling, plant seed, or plant part
C435S415000, C435S426000, C800S260000, C800S298000
Reexamination Certificate
active
06835875
ABSTRACT:
FIELD OF INVENTION
This invention is in the field of soybean breeding, specifically relating to a soybean variety designated 93M41.
BACKGROUND OF INVENTION
The present invention relates to a new and distinctive soybean variety, designated 93M41 which has been the result of years of careful breeding and selection as part of a soybean breeding program. There are numerous steps in the development of any novel, desirable plant germplasm. Plant breeding begins with the analysis and definition of problems and weaknesses of the current germplasm, the establishment of program goals, and the definition of specific breeding objectives. The next step is selection of germplasm that possess the traits to meet the program goals. The goal is to combine in a single variety an improved combination of desirable traits from the parental germplasm. These important traits may include higher seed yield, resistance to diseases and insects, tolerance to drought and heat, and better agronomic qualities.
These processes, which lead to the final step of marketing and distribution, can take from six to twelve years from the time the first cross is made. Therefore, development of new varieties is a time-consuming process that requires precise forward planning, efficient use of resources, and a minimum of changes in direction.
Soybean (
Glycine max
), is an important and valuable field crop. Thus, a continuing goal of soybean breeders is to develop stable, high yielding soybean varieties that are agronomically sound. The reasons for this goal are obviously to maximize the amount of grain produced on the land used and to supply food for both animals and humans. To accomplish this goal, the soybean breeder must select and develop soybean plants that have the traits that result in superior varieties.
Pioneer soybean research staff creates over 500,000 potential new varieties each year. Of those new varieties, less than 50 and more commonly less than 25 are actually selected for commercial use.
The soybean is the world's leading source of vegetable oil and protein meal. The oil extracted from soybeans is used for cooking oil, margarine, and salad dressings. Soybean oil is composed of saturated, monounsaturated and polyunsaturated fatty acids. It has a typical composition of 11% palmitic, 4% stearic, 25% oleic, 50% linoleic and 9% linolenic fatty acid content (“Economic Implications of Modified Soybean Traits Summary Report”, Iowa Soybean Promotion Board & American Soybean Association Special Report 92S, May 1990). Changes in fatty acid composition for improved oxidative stability and nutrition are constantly sought after. Industrial uses of soybean oil which is subjected to further processing include ingredients for paints, plastics, fibers, detergents, cosmetics, and lubricants. Soybean oil may be split, inter-esterified, sulfurized, epoxidized, polymerized, ethoxylated, or cleaved. Designing and producing soybean oil derivatives with improved functionality, oliochemistry, is a rapidly growing field. The typical mixture of triglycerides is usually split and separated into pure fatty acids, which are then combined with petroleum-derived alcohols or acids, nitrogen, sulfonates, chlorine, or with fatty alcohols derived from fats and oils.
Soybean is also used as a food source for both animals and humans. Soybean is widely used as a source of protein for animal feeds for poultry, swine and cattle. During processing of whole soybeans, the fibrous hull is removed and the oil is extracted. The remaining soybean meal is a combination of carbohydrates and approximately 50% protein.
For human consumption soybean meal is made into soybean flour which is processed to protein concentrates used for meat extenders or specialty pet foods. Production of edible protein ingredients from soybean offers a healthy, less expensive replacement for animal protein in meats as well as dairy-type products.
SUMMARY OF INVENTION
According to the invention, there is provided a novel soybean variety, designated 93M41. This invention thus relates to the seeds of soybean variety 93M41, to the plants of soybean 93M41 to plant parts of soybean variety 93M41 and to methods for producing a soybean plant produced by crossing soybean variety 93M41 with another soybean plant, using 93M41 as either the male or the female parent. This invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. This invention also relates to soybean varieties or breeding varieties and plant parts derived from soybean variety 93M41, to methods for producing other soybean varieties, lines or plant parts derived from soybean variety 93M41 and to the soybean plants, varieties, and their parts derived from use of those methods. This invention further relates to soybean seeds, plants, and plant parts produced by crossing the soybean variety 93M41 with another soybean variety preferably as part of a breeding program. Soybean variety 93M41 demonstrates a valuable combination of traits which include very good Sudden Death Syndrome tolerance, multi-race
Phytophthora
Root Rot resistance, and a substantial degree of glyphosate resistance. Soybean variety 93M41 is in the relative maturity group III and is particularly adapted to the Plains, Western, Mideast and Eastern areas of the United States.
Definitions
Certain definitions used in the specification are provided below. Also in the examples which follow, a number of terms are used. In order to provide a clear and consistent understanding of the specification and claims, including the scope to be given such terms, the following definitions are provided:
ALLELE=any of one or more alternative forms of a genetic sequence. In a diploid cell or organism, the two alleles of a given sequence occupy corresponding loci on a pair of homologous chromosomes.
BACKCROSSING=Process in which a breeder crosses a progeny variety back to one of the parental genotypes one or more times.
BREEDING=The genetic manipulation of living organisms.
BU/A=Bushels per Acre. The seed yield in bushels/acre is the actual yield of the grain at harvest.
BSR=Brown Stem Rot Tolerance. This is a visual disease score from 1 to 9 comparing all genotypes in a given test. The score is based on leaf symptoms of yellowing and necrosis caused by brown stem rot. A score of 9 indicates no symptoms. Visual scores range down to a score of 1 which indicates severe symptoms of leaf yellowing and necrosis. In the tables provided herein, susceptible means a score of 1-3 and resistant means a score of 6-9.
CNKR=Stem Canker Tolerance. This is a visual disease score from 1 to 9 comparing all genotypes in a given test. The score is based upon premature plant death. A score of 9 indicates no symptoms, whereas a score of 1 indicates the entire experimental unit died very early.
COTYLEDON=A cotyledon is a type of seed leaf. The cotyledon contains the food storage tissues of the seed.
ELITE VARIETY=A variety that is sufficiently homozygous and homogeneous to be used for commercial grain production. An elite variety may also be used in further breeding.
EMBRYO=The embryo is the small plant contained within a mature seed.
EMGSC=Emergence Score. The percentage of emerged plants in a plot respective to the number of seeds planted.
F
3
=This symbol denotes a generation resulting from the selfing of the F
2
generation along with selection for type and rogueing of off-types. The “F” number is a term commonly used in genetics, and designates the number of the filial generation. The “F
3
” generation denotes the offspring resulting from the selfing or self mating of members of the generation having the next lower “F” number, viz. the F
2
generation.
FEC=Iron-deficiency Chlorosis. Plants are scored 1 to 9 based on visual observations. A score of 1 indicates the plants are dead or dying from iron-deficiency chlorosis, a score of 5 means plants have intermediate health w
McKee Voorhees & Sease, P.L.C.
Mehta Ashwin
Pioneer Hi-Bred International , Inc.
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