INFLUENCIA DE DIFERENTES SUBSTRATOS E FERTILIZANTES NA ACLIMATIZAÇÃO DE PLANTAS DE FIGUEIRA (FICUS CARICA L.)
2008
Ester Alice Ferreira | Moacir Pasqual | Vander Mendonça | Nelson Pires Feldberg
Due to a great amount of environmental differences between in vitro and ex vitro conditions, the acclimatization phase of plantlets is one of the essential points to guarantee the success in obtaining micropropagated plants. Using a substrate with chemical and organic composition is important on this phase, because it will influence in the nutritional state of the seedlings. The present paper aimed to evaluate the effects of different substrate on acclimatization of fig plants 'Roxo de Valinhos'. It were selected uniform plantlets within a 5 cm of height which were transferred to the greenhouse, with an intermittent mist system, with 50% mesh of shadow by sombrite® planted in stereo foam trays where were submitted to the following treatments: Plantmax®; carbonized rice husk; soil in combination with Osmocote®; manure (3:1:1); NPKMg. The experimental design adopted was randomized blocks in factorial scheme and the evaluation was done one hundred and twenty days after the acclimatization by the following characteristics: plant high (cm), number of leaves/plant, dry weight of aerial part and roots and total weight (g/plant). As results, it was verified that on the acclimatization of fig plantlets 'Roxo de Valinhos' using of substrate soil + carbonized rice husk+ manure promotted highest number of leaves and largest weight of aerial dry matter were obtained Plantmax® substrate without any addition of fertilizers.
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