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Horticultura Brasileira

versão impressa ISSN 0102-0536versão On-line ISSN 1806-9991

Resumo

RESENDE, Geraldo M. de; CHAGAS, Silvio Júlio de R.  e  PEREIRA, Lair Victor. Yield of onion cultivars in the Southern region of Minas Gerais State, Brazil. Hortic. Bras. [online]. 2003, vol.21, n.4, pp.722-725. ISSN 0102-0536.  http://dx.doi.org/10.1590/S0102-05362003000400031.

To identify onion cultivars of higher yield for the southern region of Minas Gerais State, Brazil, a field trial from EPAMIG was conducted in Lavras, Brazil, from March to September 1994.The experimental design was randomized complete blocks with four replications and seven treatments: Granex 33, Texas Grano 502, Crioula, Pira Ouro, Baia Periforme, Jubileu and Chata Roxa. The harvesting area of each plot was 3.84 m2. The yield of commercial bulbs varied from 22.58 to 50.21 t/ha, and the highest yield was achieved by the cultivars Granex (50.21 t/ha) and Texas Grano 502 (44.36 t/ha) with no significant difference between them. These cultivars exceeded the national average yield (16.5 t/ha) from 204.3 to 168.8%. The lowest yield was shown by the cultivar Chata Roxa (22.58 t/ha). A variation occurred from 45.99 to 97.69 g/bulb and 5.35 to 7.39 cm for the bulb diameter.

Palavras-chave : Allium cepa; adaptation; yield; average bulb weight; bulb diameter; bolting.

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