Phenology growth and yield of grafted tomato plants in the high Andean region of Colombia

The BBCH (Biologische Bundesanstalt, Bundessortenamt und CHemische Industrie) scale is a system that helps producers monitor phenology by employing a uniform methodology across different locations. This study aimed to evaluate the effect of different scion×rootstock combinations on tomato yield and accumulated degree days for each tomato phenological stage. A randomized block design with four repetitions and four treatments was used. Tomato cv. Libertador seedlings were used as a shoot, self-grafted, and over the rootstocks ‘Olimpo’ and ‘Armada’. In addition, there was a non-grafted plant control. There were no significant differences for the accumulated degree days between the treatments since the tomato cultivation required 2,567°Cd-1. The variables, such as plant height, internode number and length, and number of flowers, did not vary significantly between the grafting and non-grafting treatments. The tomato plants grafted over a vigor rootstock produced 39.4 and 20.6% more first category fruits and total fruit yield than non-grafted ones. The heat units necessary to complete the tomato production cycle was not affected by the grafting, and the use of a vigor rootstock had a positive effect on the tomato yield under plastic house conditions.

• Tipo de recurso: http://purl.org/coar/resource_type/c_7000
• Fecha de publicación: 2021
• Institución: Universidad Pedagógica y Tecnológica de Colombia
• Repositorio: RiUPTC: Repositorio Institucional UPTC
• Idioma: eng
• OAI Identifier: oai:repositorio.uptc.edu.co:001/16941
• Acceso en línea: https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/11667; https://repositorio.uptc.edu.co/handle/001/16941
• Palabra clave: Solanum lycopersicum; BBCH scale; Degree days; Grafting; Scion × rootstock; Tomato; Plant physiology; Solanum lycopersicum; Escala BBCH; Grados día; Injertación; Injerto × patrón; Tomate; Fisiología vegetal
• License: Copyright (c) 2021 Revista Colombiana de Ciencias Hortícolas