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Cultivos Tropicales
versión On-line ISSN 1819-4087
Resumen
TERRY-ALFONSO, Elein; RUIZ-PADRON, Josefa; FALCON-RODRIGUEZ, Alejandro y SOCARRAS-ARMENTEROS, Yoandris. Oligosacarinas stimulate the growth and yield on tomato (Solanum lycopersicum L) under protected conditions. cultrop [online]. 2019, vol.40, n.4 Epub 01-Dic-2019. ISSN 1819-4087.
Biostimulant products exert various beneficial effects on plants, such as the induction of defensive mechanisms and stimulation of plant growth, in addition to having the advantage of not being harmful to the flora or to the environment. Oligosacarins, structural components of the cell wall of plants and microorganisms, exert effects on growth and development, among which are chitosan and its derivatives. The present work was developed between the period June to September 2017, on a typical Red Ferralitic soil, in a protected cultivation house, using the CADDO hybrid as plant material, with the general objective of evaluating the influence of the moments of application of Quitomax®, on growth, development, agricultural yield and presence of Alternaria solani Sor., on tomato crop under protected conditions. The results showed a positive effect of the product, where seeds imbibition of the in Quitomax® combined with the foliar spray of 300 mg ha-1 of the product at 7, 15 and 30 days after the transplant, positively influenced the height, diameter and number of leaves of the plants; as well as, increased agricultural yield by 18 % with respect to control treatment. The plants with Quitomax® application were more tolerant to the presence of Alternaria solani Sor.
Palabras clave : vegetables; development; protected crop; biostimulant.