Recent blue oak mortality on Sierra Nevada foothill rangelands may be linked to drought, climate change

Macon, Dan; Schohr, Tracy; Schmidt, Doug; Garbelotto, Matteo

doi:10.3733/ca.2020a0016

Cited by 1 publication

(2 citation statements)

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“…Phillips, Alves & Luque, and Neofusicoccum parvum (Pennycook & Samuels) Crous, Slippers & A.J.L. Phillips were isolated with high frequency from physiologically impaired trees [15][16][17][18]. The phenomenon turned particularly severe in those geographic areas that are more exposed to global warming effects [19].…”

Section: Introductionmentioning

confidence: 99%

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Comparative Analysis of Secondary Metabolites in Diplodia corticola Strains with Different Virulence Degrees Associated with Canker and Dieback of Quercus spp.

Salvatore,

Russo,

Nicoletti

et al. 2023

Molecules

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Diplodia corticola is one of the most aggressive fungal pathogens of Quercus species involved in the decline of Mediterranean oak forests. In this study, three strains of D. corticola associated with holm (Quercus ilex) and cork (Quercus suber) oak trees exhibiting dieback symptoms and cankers in Algeria were selected to investigate the production of secondary metabolites. Metabolomic analyses revealed the production of several known compounds, such as sphaeropsidins, diplopyrones and diplofuranones. Moreover, the comparative investigation of secondary metabolites produced by the analyzed strains with different degrees of virulence revealed possible implications of these compounds in the fungal virulence. In particular, sphaeropsidins seem to be the main phytotoxic compounds of D. corticola involved in the infections of Quercus species, with a possible synergistic influence of the less representative compounds in the fungal virulence.

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Section: Introductionmentioning

confidence: 99%

“…The phenomenon turned particularly severe in those geographic areas that are more exposed to global warming effects [19]. Main symptoms physiologically impaired trees [15][16][17][18]. The phenomenon turned particularly severe in those geographic areas that are more exposed to global warming effects [19].…”

Section: Introductionmentioning

confidence: 99%