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dc.contributor.authorASSIS, G. M. L. de
dc.contributor.authorDUBEUX JUNIOR, J. C. B.
dc.identifier.citationIn: INTERNATIONAL GRASSLAND CONGRESS, 24.; INTERNATIONAL RANGELAND CONGRESS, 11., 2021, Lexington, KY. Sustainable use of grassland and rangeland resources for improved livelihoods: proceedings. Lexington, KY: University of Kentuck: IGC/IRC Congress: Kenya Agricultural and Livestock Research Organization, 2021.
dc.descriptionGrass pastures in monoculture are the predominant system in transition zone climates, where warm-season perennial grasses are usually cultivated. Mixed grass-legume pastures are worldwide recognized for having advantages over pure stands, including pasture longevity, N input from biological fixation, efficient nutrient cycling, and greater animal production. The genus Arachis encompasses important and successful warmseason forage legume species cultivated in mixed pastures or in pure stands. Arachis pintoi and Arachis glabrata are potential tropical forage species that can be used in transition zone climates. Mixed pastures with these legumes have been shown to be resilient systems, able to withstand short-term perturbations, like pests, diseases, drought, or flooding. Wide adoption of A. glabrata is constrained by its high cost and slow establishment period. This species has low potential to produce seeds, and rhizomes are required for propagation. Although great seed production is verified in some A. pintoi genotypes, vegetative propagation is also most often used, since seeds are produced underground, and a large-scale commercial seed production depends on the development of an efficient seed harvester. Developing new cultivars with persistent link between seed and peg is a great challenge for breeders. A. pintoi spreads faster than A. glabrata in tropical regions, and the genetic variability for lateral expansion and ground cover in mixed stands must be better understood in humid subtropical climates. The evaluation of Arachis wild germplasm has already shown genetic variability for traits of interest for use in mixed pastures. Studies have also shown that there is genotype x environment interaction considering tropical and subtropical climates. The greatest chances of success in obtaining more adapted, productive, and faster establishing Arachis cultivarsfor transition zone climates seems to be no longer in the identification of superior wild accessions but in the hybridization and selection through specific breeding programs.
dc.formatOral session.
dc.subjectAmendoim forrageiro
dc.subjectForage peanut
dc.subjectCacahuetes forrajeros
dc.subjectEstação quente
dc.subjectLeguminosas forrajeras
dc.subjectEnsayos de variedades
dc.subjectEstación cálida
dc.subjectRendimiento de los cultivos
dc.titleWarm-season legumes: challenges and constraints to adapting warm-season legumes to transition zone climates with examples from Arachis.
dc.typeAnais e Proceedings de eventos
dc.subject.thesagroLeguminosa Forrageira
dc.subject.thesagroComportamento de Variedade
dc.subject.nalthesaurusForage legumes
dc.subject.nalthesaurusArachis pintoi
dc.subject.nalthesaurusArachis glabrata
dc.subject.nalthesaurusVariety trials
dc.subject.nalthesaurusWarm season
dc.subject.nalthesaurusCrop yield
dc.format.extent25 p.
dc.contributor.institutionGISELLE MARIANO LESSA DE ASSIS, CPAF-AC; JOSÉ CARLOS BATISTA DUBEUX JÚNIOR, University of Florida, North Florida Research and Education Center, Marianna, FL, United States of America.
Appears in Collections:Artigo em anais de congresso (CPAF-AC)

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