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The use of suitable substrates and growing environments are essential to produce high quality seedlings. This work evaluated shading levels and different substrates to produce mangaba seedlings. Growth environments with 0, 18, 35, and 50% shading were evaluated. In these environments, four substrates (S) were obtained from the combinations of soil (So), cattle manure (M), commercial substrate (CS), sand (Sa) and fine grain vermiculite (V), where: S1 = 0% So, 45% M, 20% CS, 20% Sa, 15% V, S2 = 15% So, 30% M, 20% CS, 20% Sa, 15% V, S3 = 30% So, 15% M, 20% CS, 20% Sa, 15% V, and S4 = 45% So, 0% M, 20% CS, 20% Sa, 15% V. For each growth environment, a completely randomized experimental design with five replications of five seedlings was adopted. The substrates S2 and S3 originated the best seedlings with the largest number of leaves, the largest dry mass of shoot, root, and total, and the highest Dickson quality index. The highest plants were obtained in the substrate S2. In the full sunlight environment, the conducted plants in S2 presented larger neck diameter. The environments with 0 and 18% of shading provided plants with larger leaves, larger aerial and total phytomass, and Dickson quality index. The environment in full sunlight promoted plants with a larger diameter. Therefore, it is recommended to produce seedlings on substrates S2 and S3 and in environments of 0 and 18% of shading.

Quality and growth of mangaba (Hancornia speciosa) seedlings according to the substrate and shading