INVESTIGADORES
ZABALA Juan Marcelo
artículos
Título:
Richard G. A., ZABALA J.M., Tomas P., Alegre M., Marinoni L., Cerino C., Pensiero J. 2024. Reproductive biology of Elymus scabrifolius (Döll) J. H. Hunz. (Poaceae: Triticeae), an important phytogenetic resource for saline environments
Autor/es:
RICHARD G.A.; ZABALA, JUAN MARCELO; TOMAS P. A.; ALEGRE M.; MARINONI, L.; CERINO C.; PENSIERO J.F.
Revista:
SOUTH AFRICAN JOURNAL OF BOTANY
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2024 vol. 167 p. 12 - 19
ISSN:
0254-6299
Resumen:
Elymusscabrifoliusisaperennialforagespeciesvaluedasaplantgeneticresourcefordegradedareasandforcropimprovement,beingasourceofsalt-tolerantrelatedgenes.Inthisstudy,wedeterminedthebreedingsystemofthisspeciesbyanalyzingseedsetunderdifferentpollinationtreatments,phenology,floraltraits,andembryologicaldevelopmentinfourArgentinepopulations.TheresultsindicatethatE.scabrifoliushasamixed,sexual,andmainlyautogamousreproductivesystem.Plantsfromallpopulationsproducedhighseedpercentages,withsignificantdifferencesamongthem.Self-pollinationoccurredfundamentallybetweenthechasmogamousfloretsofthesameplantbygeitonogamy.Thismodeofselfingresultsfromthefloweringsynchronyandthearchitectureofinflorescences.Self-pollinationbycleistogamyhadlowratesandwasobservedinonlytwopopulations.Thisinformationmaybeusefultoestimatethepotentialutilityofthisspe-ciesasaphytogeneticresource,andtodesignefficientcollectionandconservationprograms.
