Phyllachora Pomigena

	Phyllachora Pomigena ''Phyllachora pomigena'' is a plant pathogen responsible for Sooty blotch and flyspeck disease, a disease affecting apples and pear Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the p ...s. It appears as a brown or black blotch ( in diameter) on the fruit. Spots may coalesce to cover the entire fruit. During the summer these diseases develop during cool rainy weather, particularly in dense, unpruned trees with poor air circulation. Although unsightly, the fruit is still edible. The sooty blotch will wipe off of the fruit. References External links USDA ARS Fungal Database Fungal plant pathogens and diseases Apple tree diseases Pear tree diseases Phyllachorales {{fungus-plant-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Lewis David De Schweinitz Lewis David de Schweinitz (13 February 1780 – 8 February 1834) was a German-American botanist and mycologist. He is considered by some the "Father of North American Mycology", but also made significant contributions to botany. Education Born in Bethlehem, Pennsylvania, a great-grandson of Count Nikolaus Ludwig von Zinzendorf und Pottendorf, founder and patron of the Moravian Church, in 1787 Schweinitz was placed in the institution of the Moravian community at Nazareth, Pennsylvania, where he remained for 11 years and was a successful and industrious student. Schweinitz later entered the Theological seminary at Niesky (Saxony) in 1798. In 1805, he published the ''Conspectus Fungorum in Lusatiae'' in collaboration with his teacher, Professor J.B. Albertini. Early career In 1807 he went to Gnadenberg (in Silesia), then subsequently to Gnadau to work as a preacher in the Moravian church. A work appointment in the United States led him on a route through Denmark and Sweden, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Pier Andrea Saccardo Pier Andrea Saccardo (23 April 1845 in Treviso, Treviso – 12 February 1920 in Padua) was an Italian botanist and mycologist. Life Saccardo studied at the Lyceum in Venice, and then at the Technical Institute of the University of Padua where, in 1867 he received his doctorate. He was an Assistant to Roberto de Visiani (1800-1878) an Italian botanist, naturalist and scholar. Then in 1869, he became a professor of Natural History in Padua. In 1876 he established the mycological journal ''Michelia'' which published many of his early mycological papers. In 1879 he became a professor of Botany and director of the botanical gardens of the university until 1915. He accumulated around 70,000 fungal specimens encompassing over 18,500 different species for his herbarium. Which is still stored at the university. Saccardo's scientific activity focused almost entirely on mycology. He wrote his first book in 1864 (when he was 19 years old), ''Flora Montellica: an introduction to the flo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Dothidea ''Dothidea'' is a genus of fungi belonging to the family Dothideaceae. The genus was first described in 1818 by Elias Magnus Fries. The type species is '' Dothidea sambuci''. The genus has almost cosmopolitan distribution. Species As accepted by Species Fungorum; '' Dothidea acerva'' '' Dothidea amorphae'' ''Dothidea artemisiae'' '' Dothidea azmati'' '' Dothidea baccharidis'' '' Dothidea berberidis'' '' Dothidea bullata'' '' Dothidea colliculosa'' '' Dothidea decolorans'' '' Dothidea edgeworthiae'' ''Dothidea eucalypti'' '' Dothidea frangulae'' '' Dothidea funesta'' '' Dothidea globulosa'' ''Dothidea hippophaes'' ''Dothidea insculpta'' ''Dothidea juglandis'' ''Dothidea kunmingensis'' ''Dothidea machaeriophila'' ''Dothidea muelleri'' ''Dothidea neivae'' ''Dothidea noxia'' ''Dothidea orgaoensis'' ''Dothidea petiolaris'' '' Dothidea pulchella'' '' Dothidea rugodisca'' '' Dothidea rutae'' '' Dothidea sambuci'' '' Dothidea s ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Leptothyrella (fungus) Leptothyrella may refer to: * ''Leptothyrella'' (brachiopod), a genus of brachiopods in the family Platidiidae * ''Leptothyrella'' (fungus), a genus of funguses in the division Ascomycota Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The def ... , order and family unassigned {{Genus disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Marssonia ''Marssonina'' is a genus of fungi in the family Dermateaceae. The genus name of ''Marssonina'' is in honour of Theodor Friedrich Marsson (1816–1892), who was a German pharmacist and botanist. The genus was circumscribed by Paul Wilhelm Magnus in Hedwigia vol.45 on page 89 in 1906. Species ''Marssonina acaciae'' '' Marssonina acerina'' ''Marssonina actaeae'' '' Marssonina actinostemmae'' ''Marssonina aegopodii'' '' Marssonina agaves'' '' Marssonina alni'' '' Marssonina andurnensis'' ''Marssonina apicalis'' ''Marssonina aquilegiae'' ''Marssonina artocarpi'' ''Marssonina atragenes'' ''Marssonina aurantiaca'' ''Marssonina balsamiferae'' ''Marssonina betulae'' ''Marssonina bracteosa'' ''Marssonina bupleuri'' ''Marssonina californica'' ''Marssonina campanulae'' '' Marssonina canadensis'' ''Marssonina capsulicola'' '' Marssonina carnea'' ''Marssonina carpogena'' '' Marssonina celastri'' '' Marssonina celtidis'' '' Marssonina ceratocarpi'' ''Marssonina c ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
picture info	Plant Pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like organisms, phytoplasmas, protozoa, nematodes and parasitic plants. Not included are ectoparasites like insects, mites, vertebrate, or other pests that affect plant health by eating plant tissues. Plant pathology also involves the study of pathogen identification, disease etiology, disease cycles, economic impact, plant disease epidemiology, plant disease resistance, how plant diseases affect humans and animals, pathosystem genetics, and management of plant diseases. Overview Control of plant diseases is crucial to the reliable production of food, and it provides significant problems in agricultural use of land, water, fuel and other inputs. Plants in both natural and cultivated populat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Sooty Blotch And Flyspeck Sooty blotch and flyspeck (SBFS) or apple summer disease is a plant disease caused by a complex of saprophytic fungi which colonize the epicuticular wax layer of apple (''Malus'' x ''domestica'' Borkh.). It is found worldwide in regions with moist growing seasons. Description Sooty blotch and flyspeck is a descriptive term for a condition of darkly pigmented blemishes and smudges caused by a number of different fungi affecting fruit including apples, pear, persimmon, banana, papaya, and several other cultivated tree and vine crops. The greenish black coating resembling soot or flyspeck-like dots grow into irregular stains and blotches during the summer or growing season. They can grow into each other and may cover the entire fruit surface. Frequently blotches run down in a track resembling tears (German: "Regenfleckenkrankheit"). The blotches can be removed by vigorous rubbing or be scratched off revealing a normal peel. Symptoms can be seen particularly well when apples are light ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Apple An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple fruit tree, trees are agriculture, cultivated worldwide and are the most widely grown species in the genus ''Malus''. The tree originated in Central Asia, where its wild ancestor, ''Malus sieversii'', is still found today. Apples have been grown for thousands of years in Asia and Europe and were brought to North America by European colonization of the Americas, European colonists. Apples have Religion, religious and mythology, mythological significance in many cultures, including Norse mythology, Norse, Greek mythology, Greek, and Christianity in Europe, European Christian tradition. Apples grown from seed tend to be very different from those of their parents, and the resultant fruit frequently lacks desired characteristics. Generally, apple cultivars are propagated by clonal grafting onto rootstocks. Apple trees grown without rootstocks tend to be larger and much slower to fruit after plantin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Pear Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the pomaceous fruit of the same name. Several species of pears are valued for their edible fruit and juices, while others are cultivated as trees. The tree is medium-sized and native to coastal and mildly temperate regions of Europe, North Africa, and Asia. Pear wood is one of the preferred materials in the manufacture of high-quality woodwind instruments and furniture. About 3,000 known varieties of pears are grown worldwide, which vary in both shape and taste. The fruit is consumed fresh, canned, as juice, or dried. Etymology The word ''pear'' is probably from Germanic ''pera'' as a loanword of Vulgar Latin ''pira'', the plural of ''pirum'', akin to Greek ''apios'' (from Mycenaean ''ápisos''), of Semitic origin (''pirâ''), meaning "fru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Fungal Plant Pathogens And Diseases 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. These organisms are classified as a kingdom, separately from the other eukaryotic kingdoms, which by one traditional classification include Plantae, Animalia, Protozoa, and Chromista. A characteristic that places fungi in a different kingdom from plants, bacteria, and some protists is chitin in their cell walls. Fungi, like animals, are heterotrophs; they acquire their food by absorbing dissolved molecules, typically by secreting digestive enzymes into their environment. Fungi do not photosynthesize. Growth is their means of mobility, except for spores (a few of which are flagellated), which may travel through the air or water. Fungi are the principal decomposers in ecological systems. These and other differences place fungi in a single group of related organisms, named the ''Eumycota'' (''true f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Apple Tree Diseases An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple fruit tree, trees are agriculture, cultivated worldwide and are the most widely grown species in the genus ''Malus''. The tree originated in Central Asia, where its wild ancestor, ''Malus sieversii'', is still found today. Apples have been grown for thousands of years in Asia and Europe and were brought to North America by European colonization of the Americas, European colonists. Apples have Religion, religious and mythology, mythological significance in many cultures, including Norse mythology, Norse, Greek mythology, Greek, and Christianity in Europe, European Christian tradition. Apples grown from seed tend to be very different from those of their parents, and the resultant fruit frequently lacks desired characteristics. Generally, apple cultivars are propagated by clonal grafting onto rootstocks. Apple trees grown without rootstocks tend to be larger and much slower to fruit after plantin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]