Improved understanding of the threat posed by <i>Phellinus</i> heart-rot in California prune orchards

Johnson, B. J.; Niederholzer, Franz; Milliron, L.; Rizzo, David M.

doi:10.17660/actahortic.2021.1322.41

Cited by 1 publication

(2 citation statements)

References 6 publications

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“…noxius, inferences about the role of wounding in penetration of wood-rot fungi is readily obtained from other fungal species. For example, a survey of 80,000 prune (Prunus) trees over 22 years in age growing in one region of California found that 92 percent of these trees had broken limbs, and of these trees with broken limbs, more than 53 percent had Phellinus tuberculosis conks (Johnson et al 2021). That study's data also showed that 73 percent of the colonized trees had at least one broken limb.…”

Section: Rodasio Samuelmentioning

confidence: 90%

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Brown root rot disease caused by Phellinus noxius in U.S.-Affiliated Pacific Islands

Cannon

Klopfenstein

Kim

et al. 2022

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Phellinus noxius is a fungus that causes brown root rot disease in tree and shrub species of subtropical and tropical regions. It has infected and rapidly killed hundreds of important tree and shrub species in these regions. It is widespread in the Pacific Region including all the island states of American Samoa, the Federated States of Micronesia (Chuuk, Kosrae, Pohnpei, and Yap), the Republic of Palau, the Commonwealth of the Northern Mariana Islands (Islands of Rota and Saipan), and Guam. This report explains how to detect brown root rot disease and its causal pathogen (P. noxius) by recognizing the signs and symptoms of the disease as well as using molecular techniques. It discusses several characteristics of P. noxius that make it such a destructive pathogen in the areas where it occurs and explains how the hot, humid, and sometimes stormy conditions that occur on these islands contribute significantly to disease spread and development. This publication also describes multiple approaches that have been attempted to control this fungus along with science-based information for consideration when trying to manage the pathogen.

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Section: Rodasio Samuelmentioning

confidence: 90%

“…Considerable effectiveness, but very difficult to implement (Johnson et al 2021). Do not disseminate infected wood.…”

Section: Effectiveness Of Control Methodsmentioning

confidence: 99%

Brown root rot disease caused by Phellinus noxius in U.S.-Affiliated Pacific Islands

Cannon

Klopfenstein

Kim

et al. 2022

View full text Add to dashboard Cite

show abstract

Improved understanding of the threat posed by Phellinus heart-rot in California prune orchards

Cited by 1 publication

References 6 publications

Brown root rot disease caused by Phellinus noxius in U.S.-Affiliated Pacific Islands

Brown root rot disease caused by Phellinus noxius in U.S.-Affiliated Pacific Islands

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