INCIDÊNCIA DE FUSARIOSE E AVALIAÇÃO DE MÉTODOS DE INOCULAÇÃO DE Fusarium gutiforme EM FOLHAS DE ABACAXIZEIRO
2011
MÔNICA DANIELLY DE MELLO OLIVEIRA | LUCIANA CORDEIRO DO NASCIMENTO | RODRIGO PEREIRA LEITE
The fusariosis, caused by Fusarium gutiforme, causing losses higher than 30% on Brazilian fruits production. The present work had as objective evaluate planting integrated production commercial areas of pineapple, and study effects of inoculation methods in relation leaves base, on disease development. Evaluation disease incidence started 90 after plantation, in monthly intervals, until floral induction treatment, carried through 270 days after plantation. During period of evaluation, lower incidence than 1% during the vegetative cycle was observed. Plants that presented typical symptoms of fusariosis had been eliminated of plantation. It was used pineapple leave type D, cv. Pérola. Leaves were detached, disinfested with sodium hypochlorite at 5,0% for 10 minutes and washed with distilled water. Inoculations were done at two and five centimeters of leaf base. The method used was toothpick with fungus. Evaluations were done 15 days after inoculation, being evaluated lesions area. Higher lesions development was observed in treatment with disk of fungus colony on wound + humid cotton (leaf border). Inoculation position had not significative effects for symptoms development.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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