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metadata.revistascielo.dc.title: BIOLOGICAL AND CHEMICAL TREATMENT OF Cedrela fissilis SEEDS FOR CONTROLLING Rhizoctonia sp.
metadata.revistascielo.dc.creator: Lazarotto, Marília
Muniz, Marlove Fátima Brião
Beltrame, Rafael
Santos, Álvaro Figueredo dos
Müller, Jucéli
Araújo, Maristela Machado
metadata.revistascielo.dc.subject: Seeds microbiolization, forest seeds, Trichoderma spp., pathogen.
metadata.revistascielo.dc.publisher: CERNE
CERNE 5-Apr-2016
metadata.revistascielo.dc.description: This research evaluated the effect of a fungicide and a biological product, singly and combined, for the control of pathogens, especially Rhizoctonia sp., in seeds of Cedrela fissilis. Before the seeds treatment, the inoculation of Rhizoctonia sp., isolated from C. fissilis seeds in blotter-test and considered pathogenic for the specie, was done on half of the seeds used. After, the seeds were subjected to treatments with powder organic product based on Trichoderma spp. (singly), powder fungicide Captan (also singly), combination of two products in a maximum dose considered (100%) and combination of half dose of both products, besides the control. After the seeds treatments the following tests were done: germination, emergence in vermiculite, with evaluations of seedlings and sanitary by blotter-test. No treatment could eradicate Rhizoctonia sp. inoculated seed, but the treatment with 100% of the dose of both products reduced its incidence. The combination of chemical and biological products can be a viable alternative for the treatment of C. fissililis seeds, especially in the control of Rhizoctonia sp.
metadata.revistascielo.dc.language: eng
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