Methods and Compositions for Gray Leaf Spot Resistance in Corn
First Claim
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1. A method of identifying a corn plant comprising at least one allele associated withGray Leaf Spot (GLS) resistance allele in a corn plant comprising:
- a) genotyping at least one corn plant with at least one nucleic acid marker selected from the group consisting of SEQ ID NO;
157, 167, and 389, andb) selecting at least one corn plant comprising an allele of at least one of said markers associated with Gray Leaf Spot (GLS) resistance.
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Abstract
The present invention relates to the field of plant breeding. More specifically, the present invention includes a method of using haploid plants for genetic mapping of traits of interest such as disease resistance. Further, the invention includes a method for breeding corn plants containing quantitative trait loci (QTL) that are associated with resistance to Gray Leaf Spot, a fungal disease associated with Cercospora spp.
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23 Claims
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1. A method of identifying a corn plant comprising at least one allele associated with
Gray Leaf Spot (GLS) resistance allele in a corn plant comprising: -
a) genotyping at least one corn plant with at least one nucleic acid marker selected from the group consisting of SEQ ID NO;
157, 167, and 389, andb) selecting at least one corn plant comprising an allele of at least one of said markers associated with Gray Leaf Spot (GLS) resistance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 18, 19, 20)
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10. A method of introgressing a Gray Leaf Spot (GLS) resistance QTL allele into a corn plant comprising:
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a) screening a population with at least one nucleic acid marker to determine if one or more corn plants from the population comprise(s) an allele of said marker associated with a Gray Leaf Spot (GLS) resistance QTL associated with a marker selected from the group consisting of NC0109328, NC0109882, and NC0016729; and b) selecting from said population at least one corn plant comprising an allele of said marker associated with a Gray Leaf Spot (GLS) resistance. - View Dependent Claims (11, 12, 13, 14, 15, 16, 21)
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17. (canceled)
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22. An isolated nucleic acid molecule for detecting a molecular marker representing a polymorphism in corn DNA, wherein said nucleic acid molecule comprises at least 15 nucleotides that include or are immediately adjacent to said polymorphism, wherein said nucleic acid molecule is at least 90 percent identical to a sequence of the same number of consecutive nucleotides in either strand of DNA that include or are immediately adjacent to said polymorphism, and wherein said molecular marker is selected from the group consisting of SEQ ID NOs:
- 157, 167, and 389.
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23. (canceled)
Specification