Efficiency of broth and sulfocalcium syrup at different concentrations and plant age in the control of sweet passion fruit leaf diseases in organic cultivation
DOI:
https://doi.org/10.20873/jbb.uft.cemaf.v3n2.mingKeywords:
Passiflora allata Dryander, plant diseases control, medicinal plants, agroecological croppingAbstract
The complex of leaf diseases that affect the passion fruit culture, especially the passion fruit (Passiflora allata) compromise the productivity and quality of fruits and their photosynthetic surfaces. However, P. allata is also used as a medicinal product, the leaves being the part used for this purpose. Thus, the focus of studies on the agronomic management of P. allata for the production of pharmaceutical raw materials differs, at least in part, from the focus on fruit production. Therefore, we evaluated the effect of broth and sulfoccal lime in different concentrations and ages of plants on diseases causing leaf blight of P. allata. The experiment was carried out under randomized block field conditions with five treatments and five replications of 10 plants each. The treatments were: a) Bordeaux syrup at 0.5 and 1.0%; b) 0.5 and 1.0% sulfocalcium syrup from a 27 ° Baumé matrix solution and c) control (without spraying). Treatment with 05% sulfocalcium spray promoted the lowest disease index and the highest relative control efficiency associated with the lower rate of disease development with the age of the crop.
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