Sweet Grape tomato seeds came from

Sweet Grape tomato seeds came from Sakata Seed Sudamérica Ltd company. This variety has large expansion in consumer market with added value in Anápolis-GO and shows resistance to some fungi and viruses. Seeds were sown in May and obtained in PVC trays with 128 cells using coconut fiber substrate. They came from a specialized nursery, located in Leopoldo de Bulhões – GO. Transplant was made about 40 days after sowing (June 17), i.e., seedlings with six expanded leaves. The experiment was performed between June and November 2011. The experimental design was held in randomized blocks in a 2 x 3 factorial design, resulting in six treatments with four replications, totaling twenty-four plots. Each plot consisted of two rows of plants (total of 10 useful plants), except for boundary plants that had three lines and an extra plant over all plots, with the bottom line and on-line plant serving as margin. The treatments were a combination of two nutrient solutions: effluent supplemented with mineral fertilizers (EcS) and conventional nutrient solution (SnC). Regarding substrates, three cultivation were used: 60% washed fine sand + 40% compound substrate (20% coconut fiber and 80% pine bark) (S1) - Tropstrato©; 20% coconut fiber and 80% pine bark (S2) - Tropstrato©; and 100% natural coconut fiber (S3) - Golden Mix©. Resulting in the following treatments: T1 = EcS S1; T2 = EcS S2; T3 = EcS S3; T4 = SnC S1; T5 = SnC S2 e T6 = SnC S3. Fine sand had 0.05 to 0.42 mm of grain size; Tropstrato© and the Golden Mix© were obtained in local market. The analysis of pH, EC, CRA, maximum density and moisture for substrate 1 were made according to KÄMPF, et al. (2006) methods. For substrates 2 and 3, we used the pre-determined values by producer that were informed on product packaging. Substrates have the following initial characteristics that are described in Table 1.