Maize plants with improved disease resistance
First Claim
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1. A method of obtaining a corn plant with enhanced Fusarium stalk rot resistance, said method comprising:
- a) providing a population of corn plants;
b) obtaining a DNA sample from at least one corn plant within said population;
c) detecting in said DNA sample the presence of a Fusarium stalk rot resistance allele at a polymorphic locus within 5 cM of SEQ ID NO;
93, wherein said locus comprises a nucleotide at position 151 of SEQ ID NO;
93 that is associated with Fusarium stalk rot resistance, and wherein said nucleotide is an “
A”
;
d) selecting a corn plant from said population of corn plants based on the presence of the Fusarium stalk rot resistance allele;
e) crossing the plant comprising the Fusarium stalk rot resistance allele with a second, different corn plant to produce progeny plants wherein at least one progeny plant comprises the Fusarium stalk rot resistance allele and exhibits enhanced Fusarium stalk rot resistance when compared to a plant lacking said allele.
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Abstract
The present invention is in the field of plant breeding and disease resistance. More specifically, the invention includes a method for breeding corn plants containing one or more markers that are associated with resistance to fungi. The invention further includes germplasm and the use of germplasm containing at least one marker associated with resistance to Fusarium stalk rot (FSR) infection for introgression into elite germplasm in a breeding program, thus producing novel FSR resistant germplasm.
5 Citations
8 Claims
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1. A method of obtaining a corn plant with enhanced Fusarium stalk rot resistance, said method comprising:
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a) providing a population of corn plants; b) obtaining a DNA sample from at least one corn plant within said population; c) detecting in said DNA sample the presence of a Fusarium stalk rot resistance allele at a polymorphic locus within 5 cM of SEQ ID NO;
93, wherein said locus comprises a nucleotide at position 151 of SEQ ID NO;
93 that is associated with Fusarium stalk rot resistance, and wherein said nucleotide is an “
A”
;d) selecting a corn plant from said population of corn plants based on the presence of the Fusarium stalk rot resistance allele; e) crossing the plant comprising the Fusarium stalk rot resistance allele with a second, different corn plant to produce progeny plants wherein at least one progeny plant comprises the Fusarium stalk rot resistance allele and exhibits enhanced Fusarium stalk rot resistance when compared to a plant lacking said allele. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification