Breeding and domesticating crops adapted to drought and salinity: a new paradigm for increasing food production.

Autores UPV
Año
Revista Frontiers in Plant Science

Abstract

Worldpopulationisexpectedtoreach9.2¿109peopleby2050.Feedingthemwillrequireaboostincropproductivityusinginnovativeapproaches.Currentagriculturalproductionisverydependentonlargeamountsofinputsandwateravailabilityisamajorlimitingfactor.Inaddition,thelossofgeneticdiversityandthethreatofclimatechangemakeachangeofparadigminplantbreedingandagriculturalpracticesnecessary.Averageyieldsinallmajorcropsareonlyasmallfractionofrecordyields,anddroughtandsoilsalinityarethemainfactorsresponsibleforyieldreduction.Thereforethereistheneedtoenhancecropproductivitybyimprovingcropadaptation.Herewereviewthepresentsituationandproposethedevelopmentofcropstoleranttodroughtandsaltstressforaddressingthechallengeofdramaticllyincreasingfoodproductioninthenearfuture.Thesuccessinthedevelopmentofcropsadaptedtodroughtandsaltdependsontheefficientandcombineduseofgeneticengineeringandtraditionalbredingtools.Moreover,weproposethedomesticationofnewhalophiliccropstocreatea¿salineagriculture¿whichwillnotcompeteintermsofresourceswithconventionalagriculture.