Maize breeding for abiotic stress tolerance: An alternative to face climate changes
2021
Rosa, Tiago Corazza da | Carvalho, Ivan Ricardo | Hutra, Danieli Jacoboski | Bradebon, Leonardo Cesar | Sarturi , Marlon Vinícius da Rosa | Rosa, José Antonio Gonzalez da | Szareski, Vinícius Jardel
Maize breeding faces several challenges when the matter is abiotic stresses. For many years, the focus was to develop genotypes adapted to optimal environmental conditions, however, the need to ensure yields under unsuitable and unstable conditions of a climate-changing world is undeniable. Therefore, this review is addressed to the main abiotic stresses that jeopardize maize production worldwide, presenting an overview regarding losses and impacts imposed by them, stating what has been achieved through conventional and molecular plant breeding techniques, and the future prospects on this subject. The conventional breeding added to molecular techniques bring great expectations for developing abiotic stresses tolerant maize genotypes. Universities and research companies worldwide have contributed to expand and spread basic and essential knowledge, however, the entrance of large multinational companies might revolutionize the field. Genetic modified hybrids and projects of continental coverage will introduce many innovations and alternatives to ensure food security for the increasingly growing world population.
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