First Report of Ceratocystis Wilt Caused by Ceratocystis fimbriata on Caryocar brasiliense Trees in Brazil
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Resumo
The pequi tree (Caryocar brasiliense) is native to the Cerrado of Brazil, and its edible fruit is harvested for local and commercial use. Collectors of pequi fruit in the northern region of the state of Minas Gerais have noted sudden death of trees up to 40 years in age. During an inspection on pequi trees near Montes Claros in May 2014, several dead and dying trees were observed. The initial symptoms included yellowing, browning, and wilting of the leaves on several lateral branches. Trees in later stages of disease lost most of their leaves and suddenly died. The woody xylem of affected trees showed irregular streaks of discoloration, and dead trees had numerous galleries caused by unidentified ambrosia beetles, both of which are typical symptoms of Ceratocystis wilt. Similar symptoms were noted on several trees near Lontra, Minas Gerais. Fungal isolations from transverse sections of the stem of naturally infected trees were performed by baiting with live carrot roots (Moller and Devay 1968).
Abstract
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Pequi, Fitopatologia, Ceratocystis
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Endereço externo
https://doi.org/10.1094/PDIS-03-17-0376-PDN