Molecular markers associated with soybean tolerance to low iron growth conditions
First Claim
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1. A method of creating a population of soybean plants with a low iron growth condition tolerant phenotype, comprising:
- a. genotyping a first population of soybean plants or seeds;
b. detecting in said first population of soybean plants or seeds at least one polymorphic nucleic acid marker linked by less than or equal to 10 cM to an allele of a sequence selected from the group consisting of SEQ ID NOs;
71 to 82, wherein said allele is associated with a low iron growth condition tolerant phenotype;
c. selecting based upon said genotyping a soybean plant or seed containing said allele;
d. crossing or selfing said selected soybean plant or a plant produced from said selected seed; and
e. producing from said crossing or selfing a population comprising at least one progeny soybean plant comprising said allele and a low iron growth condition tolerant phenotype;
wherein said allele of SEQ ID NO;
71 comprises an adenosine at position 650,wherein said allele of SEQ ID NO;
72 comprises an adenosine at position 201,wherein said allele of SEQ ID NO;
73 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
74 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
75 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
76 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
77 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
78 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
79 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
80 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
81 comprises an guanine at position 201, andwherein said allele of SEQ ID NO;
82 comprises an tyrosine at position 201.
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Abstract
The present invention provides methods and compositions for identifying soybean plants that are tolerant or have improved tolerance, or those that are susceptible to, iron deficient growth conditions. The methods use molecular markers to identify, select, and/or introgress genetic loci modulating phenotypic expression of an iron deficiency tolerance trait in soybean plant breeding. Methods are provided for screening germplasm entries for the performance and expression of this trait.
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Citations
19 Claims
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1. A method of creating a population of soybean plants with a low iron growth condition tolerant phenotype, comprising:
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a. genotyping a first population of soybean plants or seeds; b. detecting in said first population of soybean plants or seeds at least one polymorphic nucleic acid marker linked by less than or equal to 10 cM to an allele of a sequence selected from the group consisting of SEQ ID NOs;
71 to 82, wherein said allele is associated with a low iron growth condition tolerant phenotype;c. selecting based upon said genotyping a soybean plant or seed containing said allele; d. crossing or selfing said selected soybean plant or a plant produced from said selected seed; and e. producing from said crossing or selfing a population comprising at least one progeny soybean plant comprising said allele and a low iron growth condition tolerant phenotype; wherein said allele of SEQ ID NO;
71 comprises an adenosine at position 650,wherein said allele of SEQ ID NO;
72 comprises an adenosine at position 201,wherein said allele of SEQ ID NO;
73 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
74 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
75 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
76 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
77 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
78 comprises an guanine at position 201,wherein said allele of SEQ ID NO;
79 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
80 comprises an tyrosine at position 201,wherein said allele of SEQ ID NO;
81 comprises an guanine at position 201, andwherein said allele of SEQ ID NO;
82 comprises an tyrosine at position 201. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification