A leaf spot is a limited, discoloured, diseased area of a leaf that is caused by fungal, bacterial or viral plant diseases, or by injuries from nematodes...

Cherry leaf spot (Blumeriella jaapii) is a fungal disease which infects cherries and plums. Sweet, sour, and ornamental cherries are susceptible to the...

Alternaria leaf spot or Alternaria leaf blight are a group of fungal diseases in plants, that have a variety of hosts. The diseases infects common garden...

Gray leaf spot (GLS) is a foliar fungal disease that affects grasses. In grasses other than maize it is caused by Pyricularia grisea, which only infects...

Phomopsis cane and leaf spot occurs wherever grapes are grown. Phomopsis cane and leaf spot is more severe in grape-growing regions characterized by a...

Drechslera leaf spot is a fungal disease of turfgrass caused by several species of Drechslera. The symptoms of Drechslera leaf spot are mostly small, dark-brown...

Pseudomonas is a genus of Gram-negative bacteria belonging to the family Pseudomonadaceae in the class Gammaproteobacteria. The 313 members of the genus...

Grey leaf spot (GLS) is a foliar fungal disease that affects maize, also known as corn. GLS is considered one of the most significant yield-limiting diseases...

sometimes feed on pansies. Leaf spot (Ramularia deflectens) is a fungal infection. Symptoms include dark spots on leaf margins followed by a white web...

present in the United States. Symptoms of Alternaria leaf spot appear as lesions with tan spots on the leaves. The centers of these lesions become black...

rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, Johnson spot, neck blast, wheat blast and Imochi (稲熱)...

plant pathogen that infects tea, coffee and coconut plants, causing algal leaf spot or algal rust. Cephaleuros virescens is known to have a broad host range...

later spring. Withania somnifera is prone to several pests and diseases. Leaf spot disease caused by Alternaria alternata is the most prevalent disease,...

leaf spot Helminthosporium sp. Leaf rot Choanephora sp. Leaf yellowing Cladosporium herbarum Ozonium wilt Ozonium texanum var. parasiticum Phoma leaf...

Black spot leaf disease is a physiological plant disorder that affects some grape varieties such as Concord. It is essentially a potassium deficiency...

pathogen, the cause of the disease olive peacock spot, also known as olive leaf spot and bird's eye spot. This plant disease commonly affects the leaves...

Bacterial leaf scorch (commonly abbreviated BLS, also called bacterial leaf spot) is a disease state affecting many crops, caused mainly by the xylem-plugging...

Xanthomonas campestris pv. vesicatoria is a bacterium that causes bacterial leaf spot (BLS) on peppers and tomatoes. It is a gram-negative and rod-shaped. It...

Raspberry leaf spot is a plant disease caused by Sphaerulina rubi (syn. Cylindrosporium rubi), an ascomycete fungus. Early symptoms of infection are dark...

is the cause of Cercospora leaf spot disease in sugar beets, spinach and swiss chard. Of these hosts, Cercospora leaf spot is the most economically impactful...

symptoms include blackish-brown spots that often appear as rings on the leaf blade or at the margins of the leaf. The spots continue to grow larger as the...

tulasnei). Symptoms of this disease first appear as circular, dark purple spots on the leaf surface. Mycosphaerella fragariae is very host-specific and only infects...

Mycosphaerella. Most species of this genus cause plant diseases, and form leaf spots. It is a relatively well-studied genus of fungi, but there are countless...

CC BY-SA (license statement/permission). Text taken from PMDG: Brown leaf spot of rice - Ghana​, E. Moses, S. Akrofi and P. Beseh, CABI.  This article...

Thomas C. (1 May 2006). "Species of Cercospora associated with grey leaf spot of maize". Studies in Mycology. 55. Westerdijk Institute (Elsevier): 189–197...

winter/spring-growing annual herb, that resembles a thistle. Originating from a leaf rosette emerges a branched central stem (also referred to as terminal stem)...

grown commercially and these diseases can concern them as well. algal leaf spot, red rust (Cephaleuros virescens) These are animals that eat or destroy...

doi:10.1080/09512748.2013.842303. ISSN 0951-2748. S2CID 153573639. "bacterial leaf blight of rice, Xanthomonas oryzae pv. oryzae Xanthomonadales: Xanthomonadaceae"...

can be used to clot milk for cheese production. The plant is prone to leaf spot disease caused by Alternaria alternata. "The Plant List: A Working List...

various diseases such as Erwinia leaf spot, Pythium root rot, Rhizoctonia root rot (Rhizoctonia foot rot), Pseudomonas leaf spot, Southern blight, and Xanthomonas...