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Cabbage is a vegetable of considerable socioeconomic importance and is the fifth most widely cultivated vegetable in Brazil. In recent years, raising seedlings using locally available substrates has become a more viable alternative for small and medium-size rural producers. In this regard, we sought in this study to evaluate the development of seedlings of the cabbage cultivar ‘60 days’ on substrates formulated from babassu stem biomass. Research was carried out in a greenhouse covered with a shade screen providing 50% light interception. The experimental design was completely randomized with six treatments, four repetitions, and eight plants per replicate. The treatments consisted of the following substrates formulated using different proportions of babassu stem biomass (BSB) and sand: S1 100% sand; S2 20% BSB + 80% sand; S3 40% BSB + 60% sand; S4 60% BSB +40% sand; S5 80% BSB + 20% sand; and S6 100% BSB. The development of cabbage seedlings was evaluated at 30 days after sowing, with data being submitted to variance analysis followed by Duncan’s test to identify significant treatment effects at the 5% probability level. We accordingly found that the use of an alternative substrate, formulated based on babassu stem biomass, had beneficial effects with respect to promoting cabbage seedling growth. On the basis of the findings of this study, we recommend the use of a substrate comprising 60% babassu stem biomass and 40% sand for the vigorous growth of ‘60 days’ cabbage seedlings.

Development of cabbage cultivar ‘60 days’ seedlings on substrates formulated from babassu stem biomass