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It has been recorded on 287 [2] plant species and cultivars on the U.S. Gulf coast alone. Common hosts of the plant include tropical trees and shrubs, with the following being the more common or economically important; tea, kava, pepper, para rubber, magnolia, coffee, holly, Indian hawthorn, oil palm, avocado, vanilla, mango, breadfruit, guava ...
Avocado sunblotch viroid (ASBV, Avsunviroid albamaculaperseae) is a disease affecting avocado trees.. Infections result in lower yields and poorer quality fruit. ASBV is the smallest known viroid that infects plants and is transmitted by pollen and infected seeds or budwood.
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
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]
Fungal diseases; Anthracnose Colletotrichum gloeosporioides; Glomerella cingulata [teleomorph]; Armillaria root rot. Shoestring root rot Armillaria mellea; Rhizomorpha subcorticalis [anamorph]
Pages in category "Avocado tree diseases" The following 24 pages are in this category, out of 24 total. This list may not reflect recent changes. ...
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 ...
Field and laboratory observations have since confirmed that the redbay ambrosia beetle will infest avocado trees, although there may be some variation in how susceptible different avocado cultivars are to the laurel wilt fungus. [11] In 2011, laurel wilt-infected trees were detected in Miami-Dade County, near areas of commercial avocado groves. [6]