Leaf spot, the Glossary
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, insects, environmental factors, toxicity or herbicides.[1]
Table of Contents
81 relations: Acervulus, Alternaria, Alternaria leaf spot, Aphelenchoides, Aphelenchoides ritzemabosi, Apple chlorotic leafspot virus, Ascocarp, Ascomycota, Bacteria, Bacteriocin, Bacteriophage, Benomyl, Bipolaris, Bird's-nest fern, Bordeaux mixture, Cadang-cadang, Canker, Captan, Cercospora, Cercospora capsici, Cercospora fragariae, Cherry leaf spot, Chlorophyll, Chlorosis, Chlorothalonil, Chrysanthemum, Cochliobolus, Colletotrichum, Common spot of strawberry, Cultivar, Curvularia, Cylindrosporium, Downy mildew, Drechslera, Electron microscope, Enilconazole, Enzyme, Epidermis (botany), Exserohilum, Fenarimol, Foliar nematode, Fungi imperfecti, Fungus, Germination, Herbicide, Irrigation, Magnaporthe grisea, Mancozeb, Metabolism, Myrothecium roridum, ... Expand index (31 more) »
- Leaf diseases
Acervulus
An acervulus (pl. acervuli) is a small asexual fruiting body that erupts through the epidermis of host plants parasitised by mitosporic fungi of the form order Melanconiales (Deuteromycota, Coelomycetes).
Alternaria
Alternaria is a genus of Deuteromycetes fungi.
Alternaria leaf spot
Alternaria leaf spot or Alternaria leaf blight are a group of fungal diseases in plants, that have a variety of hosts. Leaf spot and Alternaria leaf spot are leaf diseases.
See Leaf spot and Alternaria leaf spot
Aphelenchoides
Aphelenchoides is a genus of mycetophagous nematodes.
See Leaf spot and Aphelenchoides
Aphelenchoides ritzemabosi
Aphelenchoides ritzemabosi (black currant nematode, chrysanthemum foliar nematode, chrysanthemum leaf nematode, chrysanthemum nematode, chrysanthemum foliar eelworm) is a plant pathogenic nematode. It was first scientifically described in 1890 in England. This nematode has a wide host range. Among the most important species affected are Chrysanthemums and strawberries.
See Leaf spot and Aphelenchoides ritzemabosi
Apple chlorotic leafspot virus
Apple chlorotic leafspot virus (ACLSV) is a plant pathogenic virus of the family Betaflexiviridae.
See Leaf spot and Apple chlorotic leafspot virus
Ascocarp
An ascocarp, or ascoma (ascomata), is the fruiting body (sporocarp) of an ascomycete phylum fungus.
Ascomycota
Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya.
Bacteria
Bacteria (bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell.
Bacteriocin
Bacteriocins are proteinaceous or peptidic toxins produced by bacteria to inhibit the growth of similar or closely related bacterial strain(s).
Bacteriophage
A bacteriophage, also known informally as a phage, is a virus that infects and replicates within bacteria and archaea.
See Leaf spot and Bacteriophage
Benomyl
Benomyl (also marketed as Benlate) is a fungicide introduced in 1968 by DuPont.
Bipolaris
Bipolaris is a genus of fungi belonging to the family Pleosporaceae.
Bird's-nest fern
Bird's-nest fern is a common name applied to several related species of epiphytic ferns in the genus Asplenium.
See Leaf spot and Bird's-nest fern
Bordeaux mixture
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO4) and quicklime (CaO) used as a fungicide.
See Leaf spot and Bordeaux mixture
Cadang-cadang
Cadang-cadang is a disease caused by Coconut cadang-cadang viroid (CCCVd), a lethal viroid of several palms including coconut (Cocos nucifera), African oil palm (Elaeis guineensis), anahaw (Saribus rotundifolius), and buri (Corypha utan).
See Leaf spot and Cadang-cadang
Canker
A plant canker is a small area of dead tissue, which grows slowly, often over years.
Captan
Captan is a general use pesticide (GUP) that belongs to the phthalimide class of fungicides.
Cercospora
Cercospora is a genus of ascomycete fungi.
Cercospora capsici
Cercospora capsici is a species of fungus in the family Mycosphaerellaceae.
See Leaf spot and Cercospora capsici
Cercospora fragariae
Cercospora fragariae is a fungal plant pathogen.
See Leaf spot and Cercospora fragariae
Cherry leaf spot
Cherry leaf spot (Blumeriella jaapii) is a fungal disease which infects cherries and plums. Leaf spot and cherry leaf spot are leaf diseases.
See Leaf spot and Cherry leaf spot
Chlorophyll
Chlorophyll is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants.
Chlorosis
In botany, chlorosis is a condition in which leaves produce insufficient chlorophyll.
Chlorothalonil
Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is an organic compound mainly used as a broad spectrum, nonsystemic fungicide, with other uses as a wood protectant, pesticide, acaricide, and to control mold, mildew, bacteria, algae.
See Leaf spot and Chlorothalonil
Chrysanthemum
Chrysanthemums, sometimes called mums or chrysanths, are flowering plants of the genus Chrysanthemum in the family Asteraceae.
See Leaf spot and Chrysanthemum
Cochliobolus
The fungal genus Cochliobolus includes 19 species, it includes some plant pathogenic species such as Cochliobolus heterostrophus.
See Leaf spot and Cochliobolus
Colletotrichum
Colletotrichum (sexual stage: Glomerella) is a genus of fungi that are symbionts to plants as endophytes (living within the plant) or phytopathogens.
See Leaf spot and Colletotrichum
Common spot of strawberry
Common spot of strawberry is one of the most common and widespread diseases afflicting the strawberry. Leaf spot and common spot of strawberry are leaf diseases.
See Leaf spot and Common spot of strawberry
Cultivar
A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated.
Curvularia
Curvularia is a genus of hyphomycete (mold) fungi which can be pathogens but also act as beneficial partners of many plant species.
Cylindrosporium
Cylindrosporium is a genus of parasitic fungi.
See Leaf spot and Cylindrosporium
Downy mildew
Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants.
See Leaf spot and Downy mildew
Drechslera
Drechslera is a genus of fungi.
Electron microscope
An electron microscope is a microscope that uses a beam of electrons as a source of illumination.
See Leaf spot and Electron microscope
Enilconazole
Enilconazole (synonyms imazalil, chloramizole) is a fungicide widely used in agriculture, particularly in the growing of citrus fruits.
See Leaf spot and Enilconazole
Enzyme
Enzymes are proteins that act as biological catalysts by accelerating chemical reactions.
Epidermis (botany)
The epidermis (from the Greek ἐπιδερμίς, meaning "over-skin") is a single layer of cells that covers the leaves, flowers, roots and stems of plants.
See Leaf spot and Epidermis (botany)
Exserohilum
Exserohilum is a genus of fungi in the family Pleosporaceae.
Fenarimol
Fenarimol, sold under the tradenames Bloc, Rimidin and Rubigan, is a fungicide which acts against rusts, blackspot and mildew fungi.
Foliar nematode
Foliar nematodes are plant parasitic roundworms in the genus Aphelenchoides.
See Leaf spot and Foliar nematode
Fungi imperfecti
The fungi imperfecti or imperfect fungi are fungi which do not fit into the commonly established taxonomic classifications of fungi that are based on biological species concepts or morphological characteristics of sexual structures because their sexual form of reproduction has never been observed.
See Leaf spot and Fungi imperfecti
Fungus
A fungus (fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.
Germination
Germination is the process by which an organism grows from a seed or spore.
Herbicide
Herbicides, also commonly known as weed killers, are substances used to control undesired plants, also known as weeds.
Irrigation
Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns.
Magnaporthe grisea
Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, Johnson spot, neck blast, wheat blast and, is a plant-pathogenic fungus and model organism that causes a serious disease affecting rice.
See Leaf spot and Magnaporthe grisea
Mancozeb
Mancozeb is a dithiocarbamate non-systemic agricultural fungicide with multi-site, protective action on contact.
Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms.
Myrothecium roridum
Myrothecium roridum is a fungal plant pathogen.
See Leaf spot and Myrothecium roridum
Necrosis
Necrosis is a form of cell injury which results in the premature death of cells in living tissue by autolysis.
Nematode
The nematodes (or; Νηματώδη; Nematoda), roundworms or eelworms constitute the phylum Nematoda.
Organophosphate
In organic chemistry, organophosphates (also known as phosphate esters, or OPEs) are a class of organophosphorus compounds with the general structure, a central phosphate molecule with alkyl or aromatic substituents.
See Leaf spot and Organophosphate
Overwintering
Overwintering is the process by which some organisms pass through or wait out the winter season, or pass through that period of the year when "winter" conditions (cold or sub-zero temperatures, ice, snow, limited food supplies) make normal activity or even survival difficult or near impossible.
See Leaf spot and Overwintering
Photosynthesis
Photosynthesis is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.
See Leaf spot and Photosynthesis
Plant cuticle
A plant cuticle is a protecting film covering the outermost skin layer (epidermis) of leaves, young shoots and other aerial plant organs (aerial here meaning all plant parts not embedded in soil or other substrate) that have no periderm.
See Leaf spot and Plant cuticle
Plant pathology
Plant pathology or phytopathology is the scientific study of plant diseases caused by pathogens (infectious organisms) and environmental conditions (physiological factors).
See Leaf spot and Plant pathology
Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
Pseudomonas
Pseudomonas is a genus of Gram-negative bacteria belonging to the family Pseudomonadaceae in the class Gammaproteobacteria.
Pseudomonas syringae
Pseudomonas syringae is a rod-shaped, Gram-negative bacterium with polar flagella.
See Leaf spot and Pseudomonas syringae
Pseudopeziza
Pseudopeziza is a genus of fungi in the family Dermateaceae.
See Leaf spot and Pseudopeziza
Pycnidium
A pycnidium (plural pycnidia) is an asexual fruiting body produced by mitosporic fungi, for instance in the order Sphaeropsidales (Deuteromycota, Coelomycetes) or order Pleosporales (Ascomycota, Dothideomycetes).
Pyrenophora
The fungal genus Pyrenophora includes 108 species, including the following plant pathogenic species: Pyrenophora teres, Pyrenophora graminea and Pyrenophora tritici-repentis.
Pyrimidine
Pyrimidine is an aromatic, heterocyclic, organic compound similar to pyridine.
Ringspot
Ringspot, a symptom of various plant viral infections, may refer to.
Sanitation
Sanitation refers to public health conditions related to clean drinking water and treatment and disposal of human excreta and sewage.
Septoria
Septoria are ascomycete pycnidia-producing fungi that cause numerous leaf spot diseases on field crops, forages and many vegetables including tomatoes which are known to contract Septoria musiva from nearby cottonwood trees, and is responsible for yield losses.
Spore
In biology, a spore is a unit of sexual (in fungi) or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions.
Strawberry foliar nematode
Strawberry foliar nematode, or strawberry crimp nematode, is a disease caused by Aphelenchoides fragariae, a plant pathogenic nematode.
See Leaf spot and Strawberry foliar nematode
Streptomycin
Streptomycin is an antibiotic medication used to treat a number of bacterial infections, including tuberculosis, ''Mycobacterium avium'' complex, endocarditis, brucellosis, ''Burkholderia'' infection, plague, tularemia, and rat bite fever.
See Leaf spot and Streptomycin
Thiophanate-methyl
Thiophanate-methyl is an organic compound with the formula C6H4(NHC(S)NH(CO)OCH3)2.
See Leaf spot and Thiophanate-methyl
Tiabendazole
Tiabendazole (INN, BAN), also known as thiabendazole (AAN, USAN) or TBZ and the trade names Mintezol, Tresaderm, and Arbotect, is a preservative, an antifungal agent, and an antiparasitic agent.
See Leaf spot and Tiabendazole
Toxicity
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism.
Toxin
A toxin is a naturally occurring poison produced by metabolic activities of living cells or organisms.
Transpiration
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers.
See Leaf spot and Transpiration
Triazole
A triazole is a heterocyclic compound featuring a five-membered ring of two carbon atoms and three nitrogen atoms with molecular formula C2H3N3.
Trichovirus
Trichovirus is a genus of viruses in the order Tymovirales, in the family Betaflexiviridae.
Xanthomonas
Xanthomonas (from greek: xanthos – "yellow"; monas – "entity") is a genus of bacteria, many of which cause plant diseases.
Xanthomonas campestris
Xanthomonas campestris is a gram-negative, obligate aerobic bacterium that is a member of the Xanthomonas genus, which is a group of bacteria that are commonly known for their association with plant disease.
See Leaf spot and Xanthomonas campestris
Xylem
Xylem is one of the two types of transport tissue in vascular plants, the other being phloem.
Zineb
Zineb is the chemical compound with the formula n. Structurally, it is classified as a coordination polymer and a dithiocarbamate complex.
See also
Leaf diseases
- Alternaria leaf spot
- Asperisporium minutulum
- Bacterial leaf scorch
- Black sigatoka
- Black spot leaf disease
- Capnodium footii
- Cherry leaf spot
- Common spot of strawberry
- Corn grey leaf spot
- Didymascella thujina
- Didymella rabiei
- Didymosphaeria taiwanensis
- Eriophyes vitis
- Isariopsis clavispora
- Leaf curl
- Leaf rust (barley)
- Leaf spot
- Lettuce big-vein disease
- Mycosphaerella musicola
- Pecan bacterial leaf scorch
- Phaeoramularia dissiliens
- Phaeoramularia indica
- Phomopsis obscurans
- Pseudoperonospora cubensis
- Pseudopezicula tetraspora
- Puccinia hordei
- Puccinia malvacearum
- Raspberry leaf spot
- Southern corn leaf blight
- Spot blotch (wheat)
- Wheat leaf rust
- Xanthomonas fragariae
References
[1] https://en.wikipedia.org/wiki/Leaf_spot
Also known as Angular leaf spot, Erwinia leaf spot, Leaf spot disease, Leaf spots, Leafspot.
, Necrosis, Nematode, Organophosphate, Overwintering, Photosynthesis, Plant cuticle, Plant pathology, Protein, Pseudomonas, Pseudomonas syringae, Pseudopeziza, Pycnidium, Pyrenophora, Pyrimidine, Ringspot, Sanitation, Septoria, Spore, Strawberry foliar nematode, Streptomycin, Thiophanate-methyl, Tiabendazole, Toxicity, Toxin, Transpiration, Triazole, Trichovirus, Xanthomonas, Xanthomonas campestris, Xylem, Zineb.