YIELD OF MELON CULTIVARS UNDER GREENHOUSE CONDITIONS AND DIFFERENT SOWING PERIODS
Abstract
Cultivation in plastic greenhouses is an incipient activity in the State of Rio Grande do Sul, in the south of Brazil, specially for melon. Studies in adaptation of cultivars, period of cultivation and greenhouse management are essential to the improvement of this activity. In order to evaluate the productivity, in protected environment, of four cultivars of melon Hy Mark, Acclaim, AI-522 and Sunrise an experiment was carried out, in four seedling periods, in the region of Serra do Nordeste, in the State of Rio Grande do Sul, Brazil. The treatments were laid out in a randomized block arranged in a split plot design with three replicates, where seedling period was assigned to the main plot and cultivar of melon was assigned to the sub-plot effect. The cultivars Hy Mark, Acclaim, AI-522 and Sunrise productivities varied from 36,7 to 77,3 t of melons per hectare. The cultivars Hy Mark and Acclaim presented the more stable productivities among the periods of seedling. The cultivar Sunrise is the most prolific and productive, while AI-522 shows the lowest productivities and the most extensive period of conservation after harvest.
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