IP Library Granted Patent US 9,551,041
Granted Patent B2
US 9,551,041 · App. 14/191,477 · Granted Jan 24, 2017

Genetic loci associated with fusarium ear mold resistance in maize

Inventors: Stanley Luck (Wilmington, DE); Dario Prada (Cremona, IT); Kevin Simcox (West Des Moines, IA); Adriana Tomas (Newark, DE)
Assignees: E I DU PONT DE NEMOURS AND COMPANY; PIONEER HI BRED INTERNATIONAL INC
C12Q1/6895A01H1/04A01H5/10C12N15/8282C12Q2600/156
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Quick Facts
Patent No.
US 9,551,041
App. No.
14/191,477
Granted
Jan 24, 2017
Kind
B2
Abstract

The invention relates to methods and compositions for identifying and selecting maize plants with enhanced resistance to Fusarium ear mold. Maize plants generated by the methods of the invention are also a feature of the invention.

Claims (15)

1. A method for producing a maize plant that displays enhanced resistance to Fusarium ear mold, the method comprising:

a) obtaining a sample of nucleic acids from maize germplasm;

b) detecting in said sample at least one allele of a marker locus located within a chromosomal interval comprising and flanked by PHM4423 and PHM16422, wherein the allele is associated with a haplotype comprising a “T” at PHM4423-4, a “T” at PHM11850-3, and an “A” at PHM13773-6;

c) selecting said maize germplasm that has the allele that is associated with the haplotype comprising a “T” at PHM4423-4, a “T” at PHM11850-3, and an “A” at PHM13773-6;

d) crossing said maize germplasm comprising said at least one allele with a second maize plant;

e) obtaining progeny seeds from said cross; and

f) growing at least one maize plant from said progeny seeds;

wherein said maize plant grown from said seeds comprises said at least one allele, and has an enhanced resistance to Fusarium ear mold when compared with a maize plant which does not comprise said at least one allele.

2. A method of obtaining a maize plant that displays enhanced resistance to Fusarium ear mold, the method comprising:

a. obtaining a first maize plant that comprises in its genome alleles “T” at PHM4423-4, “T” at PHM11850-3, and “A” at PHM13773-6;

b. crossing said first maize plant to a second maize plant;

c. obtaining seeds from said cross;

d. growing progeny plants from said seeds;

e. evaluating a sample of nucleic acids from the progeny plants for the alleles “T” at PHM4423-4, “T” at PHM11850-3, and “A” at PHM13773-6 of the first maize plant; and

f. selecting progeny plants that possess the alleles “T” at PHM4423-4, “T” at PHM11850-3, and “A” at PHM13773-6 of the first maize plant.

Assignments (1)
NUNC PRO TUNC ASSIGNMENT Recorded Nov 29, 2022
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: CORTEVA AGRISCIENCE LLC
Reel/Frame 063141/0155 →
Continuity (3)
Division 12759178 · Apr 13, 2010
Provisional Application 61168779 · Apr 13, 2009
Related Publication 20140237679A1 · Aug 21, 2014