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Horticultura Brasileira

Print version ISSN 0102-0536On-line version ISSN 1806-9991


YURI, Jony E. et al. Performance of crisphead lettuce cultivars in Boa Esperança, Brazil. Hortic. Bras. [online]. 2002, vol.20, n.2, pp.229-232. ISSN 0102-0536.

The experiment was carried out at green house, in Boa Esperança, Brazil, to evaluate lettuce cultivars (Cassino; Legacy; Lucy Brown; Lorca; Lady and Raider), crisphead group, in two planting seasons (October and March). The experimental design was of randomized blocks with four replications. For the first season (October), the commercial yield, varied from 29.3 t.ha-1 to 37.6 t.ha-1 and head circumference from 40.07 to 42.95 cm, without significant difference among cultivars. At the second planting season (March), cvs. Raider, Cassino, Lady, Legacy and Lorca presented a commercial yield of 42.6; 41.6; 39.3; 37.3 and 32.5 t.ha-1. Cvs. Lady, Raider Lucy Brown and Cassino, were superior to the other cultivars, without significant differences among themselves, with 48.15; 46.69; 45.90; and 45.67 cm respectively.

Keywords : Lactuca sativa L.; protect cultivation; competition.

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