Efecto de la aplicación de bacterias promotoras del crecimiento de plantas (PGPR) en el incremento de la biomasa vegetal en especies de interés agrícola.

Abstract

Abstract:The challenge of producing healthy food and reducing the emission of greenhouse gases attracts great concern for global agriculture, since the effects of climate change promise to seriously harm the sustainability of the agricultural sector and, therefore, the continuity of the population. For this reason, and with the intention of contributing towards the eradication of this problem, in the present work four growth-promoting bacterial strains (PGPR) were evaluated on the productive parameters of the lettuce crop. The experiment was carried out in micro tunnels, where the application of the bacteria was carried out 10 days after transplanting, and at 60 days, the harvest and corresponding data were collected (leaf size and width, weight of the lettuce). . The results show that all bacterial species contributed to the leaf development of the lettuce crop, the strains of Streptomyces sp. and Bacillus sp., are those that have the greatest effect on plant biomass, and significantly influenced the final weight of the lettuce. For this reason, it is important to continue evaluating these bacteria in other crops, to verify which bacterial species is the one that gives the best response to each crop and also in which productive parameter it infers most effectively, all this, with the intention of finding alternatives to produce healthy foods, reducing the application of agrochemicals and contributing to reducing climate change and contributing to the food security of the population.