Métodos alternativos para controle de doenças fúngicas na cultura de jambu (Spilanthes oleraceae L.) através de Equisetum spp e preparado biodinâmico 501

Abstract

The action of the must (Tecaphora spilanthes) and black flower of jambu (Alternaria solani) constitute a serious plant pathologic problem in the intensive culture of jambu (Spilanthes oleraceae L.). This work had as objective to evaluate the performance of method of alternative control of the illnesses caused for these fungus through the influence of silicon. The experiment followed a randomized block design with six treatments and five repetitions, in field conditions in a farm near from Botucatu/SP. The treatments were: 1- no application-control; 2-Water; 3-Preparation of Equisetum arvense; 4-Preparation of Equisetum hyemale; 5-Preparation of Equisetum giganteum; 6- Biodynamic preparation 501 (horn-silica). It was observed a trend of treatment 6 (Biodynamic Preparation 501 - silica) to show the biggest efficiency in the control in the number as in the note of sick flowers and galls. In the case of the number of galls and ranking of galls, treatment 4 presented minor influence in relation to treatments 3, 5 and 6. Biodynamic preparation 501 (treatment 6), with high silica content, had greater effectiveness in the control of the smut (Tecaphora spilanthes) and black flower of jambu (Alternaria solani).