Knowledge Center Catalog

Analysis of genetic diversity of CIMMYT and chinese maize population

By: Contributor(s): Material type: TextTextPublication details: Mexico, DF (Mexico) CIMMYT : 2003Description: p. 180-181Subject(s): DDC classification:
  • 631.53 BOO
Summary: Characterization of maize germplasm is essential to a hybrid maize breeding program. Moll et al. (1962, 1965) observed a linear correlation between mid-parent heterosis of F1 generation progeny and parental genetic distance within a certain distance level. Analysis of genetic diversity is of great benefit to maize breeders in assigning heterotic groups and patterns, and consequently in the selection of inbred lines and making crosses. During the last decade, molecular markers have successfu11y been used to detect the genetic diversity in maize (Smith and Smith 1991, and others). In particular, Simple Sequence Repeats (SSR) loci have many advantages in genetic analyses due to: (1) known map location and a high level of polymorphism (Smith et al.1997; Pejic et al.1998); (2) availability in public databases such as MaizeDB (http:/ /nucleus.agron.missouri.edu/cgi-bin/ssr-bin.pl); (3) efficiency in data collection and analysis by using multiplexes and automated systems (Mitchell et al. 1997; Warburton et al. 2002); and (4) accuracy and repeatability (Pejic et al. 1998).
Tags from this library: No tags from this library for this title. Log in to add tags.
Star ratings
    Average rating: 0.0 (0 votes)

Characterization of maize germplasm is essential to a hybrid maize breeding program. Moll et al. (1962, 1965) observed a linear correlation between mid-parent heterosis of F1 generation progeny and parental genetic distance within a certain distance level. Analysis of genetic diversity is of great benefit to maize breeders in assigning heterotic groups and patterns, and consequently in the selection of inbred lines and making crosses. During the last decade, molecular markers have successfu11y been used to detect the genetic diversity in maize (Smith and Smith 1991, and others). In particular, Simple Sequence Repeats (SSR) loci have many advantages in genetic analyses due to: (1) known map location and a high level of polymorphism (Smith et al.1997; Pejic et al.1998); (2) availability in public databases such as MaizeDB (http:/ /nucleus.agron.missouri.edu/cgi-bin/ssr-bin.pl); (3) efficiency in data collection and analysis by using multiplexes and automated systems (Mitchell et al. 1997; Warburton et al. 2002); and (4) accuracy and repeatability (Pejic et al. 1998).

English

0309|AGRIS 0301|AL-Maize Program

Juan Carlos Mendieta

CIMMYT Publications Collection


International Maize and Wheat Improvement Center (CIMMYT) © Copyright 2021.
Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
If you have any question, please contact us at
CIMMYT-Knowledge-Center@cgiar.org