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Horticultura Brasileira

versão impressa ISSN 0102-0536

Resumo

PEREIRA, Arione da S et al. 'BRS Clara': a late-blight-resistant fresh market potato cultivar. Hortic. Bras. [online]. 2013, vol.31, n.4, pp.664-668. ISSN 0102-0536.  https://doi.org/10.1590/S0102-05362013000400026.

'BRS Clara' is a new potato cultivar for the fresh market, released in 2010. It was developed by the Potato Breeding Program of Embrapa, selected for tuber appearance and yield, and foliar resistance to late blight caused by Phytophthora infestans. The tubers have yellow and smooth skin, cream colored flesh, elongated-oval shape and shallow eyes. It has high yield potential. In the South region of Brazil, 'BRS Clara' yielded higher or not different from Agata cultivar, and did not differ from 'Asterix'. In the autumn season, it yielded higher than 'Agata' for total and marketable tubers. This superiority was related to late blight resistance of 'BRS Clara'. In the spring season, it did not differ from 'Agata' and 'Asterix'. The specific gravity of 'BRS Clara' was higher than of 'Agata', and lower than of 'Asterix'. 'BRS Clara' had low incidence of physiological defects. In relation to the main culinary uses, it was rated as regularly good to good for salad, lightly good for baking, and varied from poor to good for French fries. The resistance to greening was moderate. It showed moderate to high resistance to late blight. Field observations indicate that 'BRS Clara' has moderate resistance to early blight, and susceptibility to mosaic (PVY) and leafroll (PLRV).

Palavras-chave : Solanum tuberosum; Phytophthora infestans; cultivar; breeding.

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