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Title

Development of sweet corn hybrids adapted to the environmental conditions of the northwest of Spain

AuthorsOrdás Pérez, Amando ; Revilla Temiño, Pedro ; Malvar Pintos, Rosa Ana ; Cartea González, María Elena
KeywordsSweet corn
Adaptation
Early vigor
Exotic
Pedigree selection
Issue Date1994
PublisherConsiglio per la ricerca e la sperimentazione in agricoltura (Italia)
CitationMaydica 39: 171-175 (1994)
AbstractA breeding program to obtain sweet corn (Zea mays L.) hybrids adapted to the environmental conditions of Galicia (Northwest of Spain) was established in 1976. The program began with populations and elite inbred lines from North America which showed poor early vigor in the usual cold and wet springs of Northwestern Spain. No inbreds were obtained from the populations. Several crosses were made from the American inbreds and selfed the following years with pedigree selection to produce adapted inbred lines. Five selected hybrids from the new inbreds along with five commercial hybrids and six maturity check hybrids were evaluated in three environments. Hybrids developed in our Institute were better for early vigor and quality ratings, worse for conicalness and ear tip filling and equal to the commercial hybrids for important agronomic traits like silking date, plant and ear height, tillering, and yield characteristics. As a conclusion we suggest that adaptation of sweet corn, specially early vigor, can be improved by pedigree selection for agronomic performance while quality remains constant.
URIhttp://hdl.handle.net/10261/42782
ISSN0025-6153
Appears in Collections:(MBG) Artículos
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