Antagonistas a Phytophthora capsici inoculados en sustratos de germinación de Capsicum annuum Leonian y Mucuna deeringiana Bort.

There are microorganisms that are beneficial to plants and are used in specific ways to enhance the germination and growth of crops. The benefits are more if, instead of one specific microorganism, groups of them are inoculated in the substrate to reduce the incidence of diseases induced by phytopathogens that affect the roots. The objective of this study (that has an holistic approach), was to evaluate the variables of height and seedling emergence in the nursery and the incidence by reintroduction of antagonists to Phytophthora capsici in groups of 8, 16, 24 and 32 isolates of microorganisms in the germination substrates of chili pepper (Capsicum annuum) and velvet bean (Mucuna deeringiana). The treatments with groups of antagonists presented at least one of the expected beneficial effects, compared with the control l group, by increasing seed sprouting, seedling height, and showing a lower incidence of P. capsici in the greenhouse. The treatments with greater seedling height in the nursery were the groups with 18, 24 and 32 antagonists that included the group of eight actinomycetes. The best treatment was the group with eight isolates of actinomycetes, which had the highest seedling emergence for both crops in the nursery and the lower incidence of P. capsici in chili pepper in the greenhouse. [ABSTRACT FROM AUTHOR]