TY  - SUM
AU  - Castellanos, J.S.
AU  - Cordova,H.
AU  - Srinivasan,G.
AU  - Queme,J.L.
AU  - Rincón Sánchez,F.
AU  - Preciado,E.
AU  - Alvarado Beltrán,G.
AU  - López,R.
ED  - Arnel R. Hallauer International Symposium on Plant Breeding
TI  - Exploiting modified single crosses in maize to facilitate hybrid use in developing countries
SN  - 970-648-106-0
PY  - 2003///
CY  - Mexico, DF (Mexico)
PB  - CIMMYT
KW  - Cultivation
KW  - AGROVOC
KW  - Cross-breeding
KW  - Developing countries
KW  - Maize
KW  - Technology
KW  - Yields
KW  - Genotypes
KW  - Hybrids
N2  - The development and dissemination of maize (Zea mays L.) hybrids has been an important factor in meeting the increasing worldwide demand for this cereal over the past 30 years. Most national and private breeding programs are investing in hybrid development to increase domestic maize production, both for domestic consumption and export (Castellanos et al. l998). One of the main problems facing breeders of maize hybrids is the inbreeding depression usually expressed in the inbred lines used as parents. Modified single-cross hybrids, in which either one or both parents are crosses of related lines (Hallauer and Miranda 1988), offer a potentially attractive altemative to lower the costs of hybrid seed production. This study was designed to generate information about this approach, as a way of accelerating the use of maize hybrids in developing countries
T2  - Book of abstracts : Arnel R. Hallauer international symposium on plant breeding
ER  -