QUALIDADE DE MUDAS DE MANJERICÃO (Ocimum basilicum L.) EM CASA DE VEGETAÇÃO SUBMETIDA A DIFERENTES SUBSTRATOS E CONCENTRAÇÃO DE ÁCIDO INDOLBUTÍRICO/QUALIT Y OF BASIL SEEDLINGS (Ocimum basilicum L.) IN A GREENHOUSE, WITH DIFFERENT SUBSTRATES AND CONCENTRATIONS OF INDOLBUTIRIC ACID

Current assay, conducted at the Department of Biosystem Engineering of ESALQ/USP between August and September 2013, evaluated three types of substrates (washed sand, coconut fiber and Plantmax®) and five different concentrations of indolbutiric acid (AIB - 0, 500, 1000, 2000 and 4000 mg L^sup -1^). The randomized 3 x 5 experimental design was employed, with four replications. The main effects of multiplicative interaction, AMMI model, of substrate (S) and AIB (A) analyzed the biometric variables. Factors substrate (S) and interaction S x A were significant for dry mass of leaves and roots, root length, stem diameter, diameter-height ratio and Dickson's quality index. Gollob's test provided a significant main component (IPCA1) and the cutting of Ocimum basilicum L. may be done either with substrate Plantmax® without indolbutiric acid treatment and by washed sand treatment with indolbutiric acid treatment at concentration 2000 mg L^sup -1^.