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Whether or not Citrus Black Spot is present in Japan and New Zealand is controversial. In both countries the fungus was thought to have been found, but after further testing it was identified as the non-pathogenic strain, Phyllosticta capitalensis, rather than the pathogenic strain Phyllosticta citricarpa which causes Citrus Black Spot. [8]
Alternaria citri is an ascomycete fungal plant pathogen that causes black rot in citrus plants. [1] Specifically, certain lemon, lime, orange, mandarin and grapefruit species are susceptible hosts for this pathogen.
The pathogen causes black spot of fruit, but can also be seen attacking the plant at its crowns, roots and leaves. [3] After planting, stunting and yellowing as well as wilting may occur. [4] General symptoms of the disease in other plants can also be seen on flowers, petioles, and roots. [5] Stems are also a prominent place to see symptoms.
Alternaria leaf spot of rough lemon Alternaria citri: Alternaria stem-end rot Alternaria citri: Anthracnose = wither-tip Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Areolate leaf spot Thanatephorus cucumeris = Pellicularia filamentosa Rhizoctonia solani [anamorph] Black mold rot Aspergillus niger: Black root rot Thielaviopsis ...
South African citrus farmers want their government to lodge a complaint against the European Union at the World Trade Organisation over the European bloc's citrus black spot regulations which they ...
Colletotrichum lindemuthianum is a fungus which causes anthracnose, or black spot disease, of the common bean plant (Phaseolus vulgaris).It is considered a hemibiotrophic pathogen because it spends part of its infection cycle as a biotroph, living off of the host but not harming it, and the other part as a necrotroph, killing and obtaining nutrients from the host tissues.
A major grower said this week it was abandoning its citrus growing operations, reflecting the headwinds Florida's signature crops are facing following a series of hurricanes and tree diseases.
WASHINGTON (Reuters) -U.S. President-elect Donald Trump on Saturday named his social media platform CEO Devin Nunes to lead an intelligence advisory panel and said his former intelligence chief ...