Efecto de los sustratos de cascarilla de arroz quemado al 50 y 75 % en el rendimiento de tres variedades de alhelí (Matthiola incana B.) en invernadero.

Abstract

The present investigation proposes: to evaluate two substrates for the prodution of three varieties of wallflower ( Matthiola Incana B.) in of departament of Horticulture, located in the ESPOCH; for this, two substrates based on 50 % and 75 % burnt rice husks were used, three varieties of White wallflower, Lavander, Redish. The desing was of complete blocks whith a bifactorial arrangement as results were obtained the highest percentage of yield at 8 days after the transplant obtained the plantas of 75 % burnt rice husk substrate (A2) with 98.81%. for varieties, Redish (B3) reached 98.72% and the interaction substrates Varieties in the T4 treatment, for the interaction Substrates with Varieties the highest height at 30 days after transplantation achieved treatment T3 (50% burnt rice husk with Redish variety) with 7,92 cm and 60 days after transplantation T2 (50% burnt rice husk with Redish variety) reached 44.97 em, in substrates the largest diameter at 30, 60 and 90 days after transplantation reached the 50 % burnt rice husk substrate plants (A1) with 2.51, 6.41 and 7.75 mm, for varieties at 60 and 90 days trasplanting Blanco (B1) with 6,62 mm and 8,19 mi was obtained, the Blanco variety reached the highest values for days at flowering with 82 days, number of flowers per stem of 21,9 and length of inflorescence 19.77 cm, the highest profitability presented the TI (50 % burned rice husk with the White Varicty) obtaining a benefit /cost ratio of 1.69 dollars, that is, the dollar invested is recovered and a gain of 68 cents is obtained with a profitability of 67.77%.