Efecto bioestimulante de dos formulados líquidos de Trichoderma harzianum Rifai A-34 en el cultivo de tomate protegido.

The research was made in a unit of protected crops ¨La Quinta¨ belonging to the Organization “Cultivos Varios Sancti Spiritus”, from March to July 2011,in a greenhouse of 540 m2. The tomatoes (Lycopersicon esculentum Mill) variety used was HA 3163 of indeterminable grow. The objective was to determine the stimulant effects of two liquids formulation of Trichoderma harzianum A-34 fermented up to the micelial phase without conidia and with conidia at two dosages (50 y 100 ml/l) in comparison with a control without treatment, with a completely randomized design. Weekly evaluations were conducted to count the number of leaf and flowers per plant until day 57 from the date of planting and 35 days after planting it was done an evaluation of the high of the plant, long and wide and number of folios of the leave number 6. Foliar treatment with Trichoderma harzianum A-34 increased the number of leafs, flowers, the height of the plant, the length and the width of leafs, the quantity of follies and the yield.