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Silva, Giovani Olegario da; Vendrame, Larissa P de C; Amaro, Geovani Bernardo; Melo, Raphael Augusto de C e; Pilon, Lucimeire; Ferreira, José Carlos
Horticultura brasileira, 2024, Volume: 42Magazine Article, Journal Article
ABSTRACT Purple-fleshed sweetpotato (Ipomoea batatas) have gained attention from producers and consumers for their nutritional values and high levels of anthocyanins. This study aimed to evaluate the adaptability and stability of these genotypes in producing regions of Brazil with AMMI and WAASB methodologies. The recently released purple-fleshed cultivars BRS Anembé and BRS Cotinga, along with four purple-fleshed advanced clones (BGBD0080, BGBD1399, BGBD1402, and BGBD1405), and the cultivars Brazlândia Roxa and Beauregard as controls, were evaluated in eight environments using a complete randomized block design with four replications. The roots were evaluated on yield, appearance, insect damage, and shape traits. The new purple-fleshed cultivars BRS Cotinga and BRS Anembé stood out in their higher root yield, good root shape and weight, expressive resistance to insect damage, and adaptability to environments with higher yield potential. Additionally, ‘BRS Anembé’ also showed a favorable root appearance. The cultivar Beauregard was the most susceptible to insect damage while ‘Brazlândia Roxa’ demonstrated the highest resistance. RESUMO Batatas-doces (Ipomoea batatas) de polpa roxa têm chamado a atenção de produtores e consumidores por seu valor nutricional e altos teores de antocianinas. Este trabalho teve como objetivo avaliar a adaptabilidade e estabilidade de genótipos de batata-doce de polpa roxa em regiões produtoras do Brasil utilizando as metodologias AMMI e WAASB. As novas cultivares de polpa roxa BRS Anembé e BRS Cotinga juntamente com quatro clones avançados de polpa roxa (BGBD0080, BGBD1399, BGBD1402 e BGBD1405), e as cultivares testemunha Brazlândia Roxa e Beauregard, foram avaliados em oito ambientes usando delineamento em blocos casualizados com quatro repetições. Na colheita, as raízes foram avaliadas quanto ao rendimento, aparência, danos causados por insetos e características de formato. As novas cultivares de polpa roxa BRS Cotinga e BRS Anembé destacaram-se pela maior produtividade de raízes, bom formato e peso de raízes, expressiva resistência a danos causados por insetos, e adaptabilidade a ambientes com maior potencial produtivo. Adicionalmente, ‘BRS Anembé’ também apresentou aparência de raiz favorável. A cultivar Beauregard mostrou-se mais suscetível a danos causados por insetos, enquanto ‘Brazlândia Roxa’ apresentou a maior resistência.
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