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  2. Alternaria citri - Wikipedia

    en.wikipedia.org/wiki/Alternaria_citri

    Alternaria citri can be found worldwide, in areas that store and produce citrus. [9] Without proper management, the disease can lead to huge losses for citrus growers. In 1901, 10 to 30% of citrus crops in California were lost due to Alternaria citri.

  3. How California can reduce threat posed by lethal citrus disease

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  4. List of citrus diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_citrus_diseases

    Citrus mosaic Satsuma dwarf-related virus: Bud union crease Virus for some combinations, otherwise genetic or unknown Citrus leaf rugose genus Ilarvirus, Citrus leaf rugose virus (CLRV) Citrus yellow mosaic genus Badnavirus: Crinkly leaf Crinkly leaf virus (strain of Citrus variegation virus) Infectious variegation

  5. Citrus stubborn disease - Wikipedia

    en.wikipedia.org/wiki/Citrus_stubborn_disease

    California is the number one producer of fresh citrus fruit in the United States making citrus stubborn disease in this region an economically important disease for control. [11] Citrus stubborn initially rose to a major concern for the citrus industry in the 1980s and is, in recent years, becoming an increasingly problematic disease. [11]

  6. Tylenchulus semipenetrans - Wikipedia

    en.wikipedia.org/wiki/Tylenchulus_semipenetrans

    Tylenchulus semipenetrans, also known as the citrus nematode or citrus root nematode, is a species of plant pathogenic nematodes and the causal agent of slow decline of citrus. T. semipenetrans is found in most citrus production areas and diverse soil textures worldwide. Their feeding strategy is semi-endoparasitic and has a very narrow host ...

  7. How California eco-bureaucrats halted a Pacific Palisades ...

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    California’s eco-bureaucrats halted a wildfire prevention project near the Pacific Palisades to protect an endangered shrub. It’s just the latest clash between fire safety and conservation in ...

  8. Citrus black spot - Wikipedia

    en.wikipedia.org/wiki/Citrus_black_spot

    This Ascomycete fungus affects citrus plants throughout subtropical climates, causing a reduction in both fruit quantity and quality. [citation needed] Symptoms include both fruit and leaf lesions, the latter being critical to inter-tree dispersal. Strict regulation and management is necessary to control this disease since there are currently ...

  9. Citrus canker - Wikipedia

    en.wikipedia.org/wiki/Citrus_canker

    Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas (X.axonopodis; X. campestris). Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to humans, canker significantly affects the vitality of citrus trees, causing leaves and fruit ...