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Alternaria brown spot Alternaria alternata: 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
Plants infected with citrus canker have characteristic lesions on leaves, stems, and fruit with raised, brown, water-soaked margins, usually with a yellow halo or ring effect around the lesion. Older lesions have a corky appearance, still in many cases retaining the halo effect. The bacterium propagates in lesions in leaves, stems, and fruit.
Citrus greening is distinguished by the common symptoms of yellowing of the veins and adjacent tissues (hence the "yellow dragon" name given by observing Chaozhou farmers as early as the 1870s [1]); followed by splotchy mottling of the entire leaf, premature defoliation, dieback of twigs, decay of feeder rootlets and lateral roots, and decline in vigor, ultimately followed by the death of the ...
Caterpillars devouring lemon leaves The lime butterfly is an economic pest on many cultivated citrus species in India, Pakistan, Iraq, and the Middle East. Due to its history of successful dispersal and range extension, the lime butterfly is likely to spread from its original point of introduction in Hispaniola in the Caribbean to neighbouring ...
A Meyer lemon tree is fragrant, easy to grow, and ripe with sweet, floral lemons. Learn all about Meyer lemon tree care including common problems in our guide. Yep, A Lemon Tree Is Easier to Care ...
For an indoor tree that provides larger fruit than the Meyer, look no further than the Ponderosa lemon. The tree itself is small enough to grow in a container, but it can produce hefty fruits that ...
The lemon is a hybrid of the citron and the bitter orange. Its origins are uncertain, but some evidence suggests lemons originated during the 1st millennium BC in what is now northeastern India. The yellow fruit of the lemon tree is used throughout the world, primarily for its juice. The pulp and rind are used in cooking and baking.
Citrus myrtifolia, the myrtle-leaved orange tree, is a species of Citrus with foliage similar to that of the common myrtle. It is a compact tree with small leaves and no thorns which grows to a height of 3 m (10 ft) and can be found in Malta , Libya , the south of France , and Italy (primarily in Liguria , typically Savona , and also in Tuscany ...
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