Modification of agronomic traits in tropical maize by effect of selecction under drought stress

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AudienciaPúblico en generales_ES
CoberturaMéxicoes_ES
Fecha de ingreso2026-10-05T16:33:20Z
Fecha de publicación2008-01-01
ResumenThe objective of this study was to determine the effects on agronomic traits for improvement of drought tolerance in maize (Zea mays L.). The tropical maize populations Tuxpeno Sequia `Cycle 0' (TS0) and `Compuesto Iguala Sequia Cycle 4' (CIS4) and their advanced cycles `TS Cycle 8' (TS8) and `CIS Cycle 6' (CIS6) were evaluated in the field under restricted moisture and irrigated conditions, at Guemez, Tam., Mexico. The two irrigation treatments consisted of either maintaining the soil well-watered up to near field capacity throughout the growth season, or suspending irrigation from the flag leaf stage until physiological maturity. Variables measured were: biomass accumulation on plant aerial organs (BA) at crop maturity, grain yield (RG), number of grains per ear (NG), individual grain weight (PIG), anthesis-silking interval (ASI), days to crop maturity (DMF), grain filling period (PLLG), and harvest index (IC). The results indicated that the advanced cycles TS8 and CIS6 showed greater RG (21.8 \% and 18.2 \% respectively) compared to their parent populations, but BA was not modified, thus resulting in an increased IC. The increase in RG was a result of changes in the components PIG in TS8 (23 \%), and in NG in CIS6 (18 \%). It is concluded that the advanced selection cycles of these maize populations showed positive changes in agronomic traits in response to selection for tolerance to drought stress.es_ES
URIhttps://riuat.uat.edu.mx/handle/123456789/5163
Idiomaeses_ES
EditorialSOC MEXICANA FITOGENETICAes_ES
RelaciónRevista Fitotecnia Mexicanaes_ES
DerechosAcceso restringido / Suscripción (Metadatos de producción científica)es_ES
Licenciahttp://purl.org/coar/access_right/c_16eces_ES
FuenteRevista Fitotecnia Mexicana
Palabra claveZea mayses_ES
Palabra clavedrought stresses_ES
Palabra claveselectiones_ES
Palabra clavegrain yieldes_ES
TítuloModification of agronomic traits in tropical maize by effect of selecction under drought stresses_ES
TipoArtículoes_ES
ArbitradoHa sido Arbitradoes_ES
AutorRincon Tuexi, Juan Arnoldo
AutorNava, Sergio Castro
AutorLopez Santillan, Jose Alberto
AutorEncinia, Florencio Briones
AutorCereceres, Joaquin Ortiz
AutorHuerta, Alfredo J.
AutorRincon Tuexi, Juan Arnoldoes_ES
AutorNava, Sergio Castroes_ES
AutorLopez Santillan, Jose Albertoes_ES
AutorEncinia, Florencio Brioneses_ES
AutorCereceres, Joaquin Ortizes_ES
AutorHuerta, Alfredo J.es_ES
InstituciónUniversidad Autónoma de Tamaulipas
InstituciónUniversidad Autónoma de Tamaulipases_ES
Número1es_ES
Rango de páginas81-84es_ES
Tipo de artículoIndexado
Tipo de artículoIndexadoes_ES
Volumen31es_ES

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