RESPOSTAS DE MUDAS DE Fragaria ananassa A DIFERENTES COMPOSIÇÕES DE SUBSTRATOS

Abstract

Strawberries (Fragaria ananassa) began to be cultivated in Brazil in the 1960s. It currently gives our country the title of largest producer in Latin America, in addition to generating approximately 33,000 direct and indirect jobs. Due to Brazil's food responsibility towards the world, producers find themselves in a challenging scenario. Having to produce a greater amount of food in less space. With this in mind, strawberry producers have increasingly adopted cultivation in a semi-hydroponic system. This cultivation consists of suspended production using substrates. Therefore, the research in question aimed to evaluate six different substrate compositions. The experiment was conducted in a greenhouse, in a completely randomized design, with six treatments and seven replications in each. The treatments were: T1 = commercial substrate; T2 = commercial substrate + autoclaved soil; T3 = commercial substrate + vermiculite + carbonized rice husk; T4 = commercial substrate + autoclaved soil + vermiculite + carbonized rice husk; T5 = commercial substrate + vermiculite; T6 = commercial substrate + carbonized rice husk). The cultivar used was Albion and the variables evaluated were: seedling setting, water retention, fresh and dry mass, number of stolons, number of trefoils and number of flag leaves in different periods of the strawberry cycle. Taking into account the evaluated aspects, the strawberry seedlings cv. Albion performed better when in the presence of treatment T4 (Commercial substrate + autoclaved soil, vermiculite + carbonized rice husk), followed by T1 (Commercial substrate) and T2 (Commercial substrate + autoclaved soil), in contrast to treatment T6 (Commercial substrate and carbonized rice husk) was the least effective during the evaluations carried out at 15, 30, 60, 80 and 90 days after planting.