| ABSTRACT Lettuce is considered a crop of mild climate and its production in regions of low altitude and latitude is impaired due to the high temperatures and the predominance of long days. Therefore, the aim of this study was to evaluate the behavior of lettuce cultivars in such conditions. An experiment was conducted at the Horta Didática of the Federal University of Ceará, Campus do Pici, in Fortaleza. Nine lettuce cultivars from three commercial groups were used and distributed in a randomized block design, with four replications. The following qualitative traits were evaluated: bolting, head formation, leaf texture, anthocyanin and phytosanitary status for pest and disease infestation. Regarding the quantitative traits, plant height, plant diameter,... |
