Publicação: Effect of spacing on mini watermelon hybrids grown in a protected environment
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In recent years, a group of small watermelons has stood out with 1-3 kg in weight called mini watermelons. These watermelons, when grown under greenhouse conditions, require different management techniques. This study evaluated the performance of mini watermelon hybrids at different plant spacing. To this end, the experiments were conducted in a greenhouse using a substrate of coconut husk fibers with fertigation. The study design was a randomized block with 5 × 3 factorial treatments and four replicates. The factors evaluated included five mini watermelon hybrids (Beni Kodama, Ki Kodama, Smile, New Kodama, and Beni Makura) and three plant spacing configurations (E1 = 0.35 m, E2 = 0.50 m, and E3 = 0.65 m). Growth characteristics, production, and quality were evaluated using analysis of variance. There was no significant interaction between the hybrids and plant spacing for yield traits, physiological traits, and fruit quality. Fresh fruit mass, yield, transverse and longitudinal diameter and firmness presented significant differences for both factors, type of hybrid and plant spacing. In this study, despite the established competition in terms of spacing, the performance of hybrids was not negatively affected. Thus, we recommend the cultivation of hybrids spaced 0.50 m apart in coconut husk fibers, because it results in good yield and fruit quality, while facilitating plant management techniques.
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Citrullus lanatus, Coconut fibers, Competition, Mini vegetables, Planting density
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Inglês
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Australian Journal of Crop Science, v. 11, n. 5, p. 522-527, 2017.
