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The disease can also be spread by contaminated equipment, and by transport of infected or apparently healthy plants. Due to latency of the disease, a plant may appear to be healthy, but actually be infected. Citrus canker bacteria can enter through a plant's stomata or through wounds on leaves or other green parts. In most cases, younger leaves ...
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 ...
If a tree has peach leaf curl in a particular year, the disease will inexorably take its course, but measures can be taken to sustain the tree or maximize crop yield: protecting the tree from further rain at temperatures below 16 °C (61 °F), applying greasebands around the trunk to protect from insect infestation spreading the disease ...
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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 ...
Papaya leaf curl virus PaLCuV causes severe disease in papaya ( Carica papaya ), but can sometimes infect other crops such as tobacco or tomato . [ 1 ] It can be found in tropical and subtropical regions primarily in India , but closely related species have also been detected in countries such as China , Malaysia , Nigeria and South Korea . [ 2 ]
Size of this PNG preview of this SVG file: 800 × 486 pixels. Other resolutions: 320 × 195 pixels | 640 × 389 pixels ... File:Tree-like curve.svg. Add topic ...
The foliage of affected tomato plants shows mottling, with alternating yellowish and darker green areas, the latter often appearing thicker and raised giving a blister-like appearance. The leaves tend to be fern-like in appearance with pointed tips and younger leaves may be twisted. The fruit may be distorted, yellow blotches and necrotic spots ...