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Most commonly Cephaleuros virescens is identified by the leaf spots it causes. Theses leaf spots are an orange-brown rust in color and usually occur entirely on the upper leaf surface, although leaf spots on the undersides of infected leaves have been reported. The spots are fuzzy in texture and approximately 2 cm (0.8 in) in diameter. [2]
Pseudocercospora purpurea is a fungal plant pathogen that causes a leaf spot on the avocado. Species Cercospora purpurea was originally found on the leaves of Persea species in Georgia, USA in 1878. [2] before the species was transferred to the Pseudocercospora genus in 1976. [1] It is also found in New Zealand and Australia, [3] [4] and Tolima ...
Scab (fruit & leaf) Sphaceloma perseae; Seedling blight Phytophthora palmivora; Sclerotium rolfsii; Athelia rolfsii [teleomorph] Smudgy spot Helminthosporium spp. Sooty blotch Akaropeltopsis sp. Tar spot Phyllachora gratissima; Verticillium wilt Verticillium dahliae; Wood rots Fomitopsis supina. Polyporus supinus; Laetiporus sulphureus ...
Austropuccinia is a monotypic genus of rust (a type of plant pathogen) native to South America with the only species Austropuccinia psidii, commonly known as myrtle rust, guava rust, or ʻōhiʻa rust. It affects plants in the family Myrtaceae. It is a member of the fungal complex called the guava rust (Puccinia psidii) group. [3]
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The fire damaged or destroyed about 100 of his 300 avocado trees. So far, 4,102 acres of avocados were in the burn area, representing a quarter of the 16,497 acres of avocados harvested in Ventura ...
Rust fungi grow intracellularly, and make spore-producing fruiting bodies within or, more often, on the surfaces of affected plant parts. [3] Some rust species form perennial systemic infections that may cause plant deformities such as growth retardation, witch's broom, stem canker, galls, or hypertrophy of affected plant parts.
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