Plant breeding method

A plant and breeding cycle technology, applied in the field of predicting phenotypic trait values ​​and allelic variants in plants, which can solve problems such as inaccuracy

Inactive Publication Date: 2009-04-15
PIONEER HI BRED INT INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Additional inaccuracies are introduced in the identification of QTLs for progeny of genetically distinct parents within inferred breeding populations
Furthermore many if not all traits are influenced by environmental factors which can also introduce inaccuracies

Method used

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  • Plant breeding method
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Examples

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Embodiment Construction

[0199] The following provides a series of examples demonstrating the determination and utilization of associations between cob color and genetic marker haplotypes in maize. It is to be understood that the examples and embodiments described herein are for illustrative purposes only and that various modifications or changes thereof will occur to those skilled in the art and are included within the spirit and scope of this application and the appended claims within range. Accordingly, the following examples are offered to illustrate, but not limit, the claimed invention.

[0200] Cob color (eg, red or white) in maize is determined in part by the pericarp color 1 (P1 ) gene. See, eg, Neuffer, Coe and Wessler (1997) Mutants of Maize , Cold Spring Harbor Laboratory Press, which describes p1-wr on page 107, the gene and its mode of action on page 363, and its location on the map on page 35. The following example describes the determination of the association between the axis-st...

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Abstract

Methods for using genetic marker genotype (e.g., gene sequence diversity information) to improve the process of developing plant varieties (e.g., single cross hybrids) with improved phenotypic performance are provided. Methods for predicting the value of a phenotypic trait in a plant are provided. The methods use genotypic, phenotypic, and optionally family relationship information for a first plant population to identify an association between at least one genetic marker and the phenotypic trait, and then use the association to predict the value of the phenotypic trait in one or more members of a second, target population of known marker genotype. Methods for identifying new allelic variants affecting the trait are also provided. Plants selected, provided, or produced by any of the methods herein, transgenic plants created by any of the methods herein, and digital systems for performing the methods herein are also provided.

Description

[0001] Cross References to Related Applications [0002] This application is a non-provisional utility patent application claiming the priority and benefit of the following provisional patent application: USSN 60 / 474,359, entitled "Plant Breeding Method," filed May 28, 2003 by Smith et al., which is incorporated herein by reference in its entirety as refer to. field of invention [0003] The present invention provides methods for predicting the value of phenotypic traits in plants. The method uses genotype, phenotype and pedigree information of a first plant population to identify an association between at least one genetic marker and a phenotypic trait, and then uses the association in a second target population having a known marker genotype. Predicted phenotypic trait values ​​among members. The present invention also relates to methods for identifying novel allelic variants that affect phenotypic traits. Background of the invention [0004] Selective breeding has been...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04A01H1/02A01H5/00A01HA01H1/00A01H5/10C12N15/82
CPCA01H1/02A01H1/04A01H5/10
Inventor O·S·史密斯M·库珀S·V·廷吉A·J·拉法尔斯基R·吕德特克W·S·尼布尔
Owner PIONEER HI BRED INT INC
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