Helicotylenchus Dihystera
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Helicotylenchus Dihystera
''Helicotylenchus dihystera'' (Steiner's spiral nematode) is a plant pathogenic nematode. It is known to inhabit sugarcane, rice, potatoes, corn, peanut, millet, sorghum, banana and forest trees. See also * Sodium azide - used for agricultural control of Helicotylenchus dihystera Notes External links Nemaplex, University of California - Helicotylenchus dihystera Tylenchida Nematodes described in 1961 Agricultural pest nematodes Banana diseases Maize diseases Peanut diseases Potato diseases Rice diseases Sorghum diseases Sugarcane diseases Tree diseases {{plant-disease-stub ...
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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ...
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Nematodes Described In 1961
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant- parasitic nematodes also known as eelworms. They are a diverse animal phylum inhabiting a broad range of environments. Less formally, they are categorized as Helminths, but are taxonomically classified along with arthropods, tardigrades and other moulting animals in the clade Ecdysozoa, and unlike flatworms, have tubular digestive systems with openings at both ends. Like tardigrades, they have a reduced number of Hox genes, but their sister phylum Nematomorpha has kept the ancestral protostome Hox genotype, which shows that the reduction has occurred within the nematode phylum. Nematode species can be difficult to distinguish from one another. Consequently, estimates of the number of nematode species described to date vary by author and may change rapidly over time. A 2013 survey of animal biodiversity published in the mega jo ...
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Sorghum Diseases
This article is a list of diseases of sorghum (''Sorghum bicolor''). Bacterial diseases Fungal diseases Nematodes, parasitic Phytoplasma and Viral diseases Insects Insect pests include: ;Root feeders *white grubs **''Holotrichia serrata'' **'' Lachnosterna consanguinea'' *wireworms (Elateridae, Tenebrionidae) *underground burrowing bugs, '' Stibaropus'' spp. *termites **''Odontotermes'' spp. **'' Microtermes'' sp. *ants **'' Monomorium salomonis'' **'' Pheidole sulcaticeps'' ;Seedling pests *shoot fly, ''Atherigona soccata'' *cutworm, ''Agrotis ipsilon'' ;Stem borers and leaf feeders *spotted stalk borer, ''Chilo partellus'' *pink borer, ''Sesamia inferens'' *armyworm, ''Mythimna separata'' *''Spodoptera exempta'' *caterpillars ''Amsacta albistriga'', '' Amsacta lactinea'', '' Euproctis virguncula'', ''Cnaphalocrocis patnalis'', and '' Mocis frugalis'' *chrysomelid leaf beetles '' Chaetocnema indica'', '' Longitarsus'' spp., and '' Phyllotreta chotonica'' *ash weevil ...
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Rice Diseases
This article is a list of diseases of rice (''Oryza sativa''). Diseases have historically been one of the major causes of rice shortages. p.434 Bacterial diseases Fungal diseases Viruses *'' Rice black-streaked dwarf virus'' *'' Rice bunchy stunt virus'' *''Rice dwarf virus'' *'' Rice gall dwarf virus'' *'' Rice giallume virus'' *'' Rice grassy stunt virus'' *''Rice hoja blanca tenuivirus'' *'' Rice necrosis mosaic virus'' *''Rice ragged stunt virus'' *'' Rice stripe necrosis virus'' *'' Rice stripe tenuivirus'' *'' Rice transitory yellowing virus'' *''Rice tungro bacilliform virus'' - see Tungro below *''Rice tungro spherical virus'' - see Tungro below *''Rice yellow mottle virus'' Miscellaneous diseases and disorders See also * List of rice varieties References {{reflist, 30em, refs= {{cite web , title=bacterial leaf blight of rice, ''Xanthomonas oryzae'' pv. ''oryzae'' Xanthomonadales: Xanthomonadaceae , website=Invasive.Org , url=http://www.invasive.org/browse/ ...
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Potato Diseases
This is a list of diseases and disorders found in potatoes. Bacterial diseases Fungal diseases Protistan diseases Viral and viroid diseases Nematode parasitic Phytoplasmal diseases Miscellaneous diseases and disorders References Common Names of Diseases, The American Phytopathological Society External links * {{cite web, last1=Sparks, first1=Adam, last2=Kennelly, first2=Megan, title=Common Scab of Potato, url=http://krex.k-state.edu/dspace/bitstream/handle/2097/21718/KSUL0009KSREEPPUBSEP148a.pdf, publisher=Kansas State University Agricultural Experiment Station and Cooperative Extension Service, accessdate=2018-01-06, date=May 2008 Potato The potato is a starchy food, a tuber of the plant ''Solanum tuberosum'' and is a root vegetable native to the Americas. The plant is a perennial in the nightshade family Solanaceae. Wild potato species can be found from the southern Unit ... * ...
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Peanut Diseases
This article is a list of diseases of peanuts (''Arachis hypogaea''). Bacterial diseases Fungal diseases Nematodes, parasitic Phytoplasma, Virus and viruslike diseases Miscellaneous and diseases or disorders References {{reflist Common Names of Diseases, The American Phytopathological Society Peanut The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible Seed, seeds. It is widely grown in the tropics and subtropics, important to both small ... ...
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Maize Diseases
Bacterial diseases Fungal diseases Nematodes, Parasitic Virus and virus-like diseases References Common Names of Diseases, The American Phytopathological Society {{corn * Maize Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. The ...
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Banana Diseases
This article is a list of diseases of bananas and plantains (''Musa'' spp.). Bacterial diseases Fungal diseases Viral diseases Nematodes, parasitic Miscellaneous diseases and disorders References Common Names of Diseases, The American Phytopathological Society {{Banana Banana A banana is an elongated, edible fruit – botanically a berry – produced by several kinds of large herbaceous flowering plants in the genus ''Musa''. In some countries, bananas used for cooking may be called "plantains", distinguis ... ...
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Agricultural Pest Nematodes
280px, Feeding types of plant-parasitic nematodes This article is an attempt to list all agricultural pest nematodes. Species are sorted in alphabetical order of Latin name. A * '' Achlysiella williamsi'' * ''Anguina agrostis'' * ''Anguina amsinckiae'' * ''Anguina australis'' * '' Anguina balsamophila'' * ''Anguina funesta'' * ''Anguina graminis'' * ''Anguina spermophaga'' * ''Anguina tritici'' * ''Aphelenchoides arachidis'' * ''Aphelenchoides besseyi'' * ''Aphelenchoides fragariae'' * ''Aphelenchoides parietinus'' * ''Aphelenchoides ritzemabosi'' * ''Aphelenchoides subtenuis'' B * '' Belonolaimus gracilis'' * '' Belonolaimus longicaudatus'' C * '' Craspedonema elegans'' D * ''Ditylenchus africanus'' * ''Ditylenchus angustus'' * ''Ditylenchus destructor'' * ''Ditylenchus dipsaci'' * ''Dolichodorus heterocephalus'' G * ''Globodera pallida'' * ''Globodera rostochiensis'' * ''Globodera tabacum'' H * ''Helicotylenchus dihystera'' * ''Hemicriconemoides kanayaensis'' * ' ...
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Nematode
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhabiting a broad range of environments. Less formally, they are categorized as Helminths, but are taxonomically classified along with Arthropod, arthropods, Tardigrade, tardigrades and other moulting animalia, animals in the clade Ecdysozoa, and unlike platyhelminthe, flatworms, have tubular digestion, digestive systems with openings at both ends. Like tardigrades, they have a reduced number of Hox genes, but their sister phylum Nematomorpha has kept the ancestral protostome Hox genotype, which shows that the reduction has occurred within the nematode phylum. Nematode species can be difficult to distinguish from one another. Consequently, estimates of the number of nematode species described to date vary by author and may change rapidly over ...
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Helicotylenchus
''Helicotylenchus'' is a genus of nematodes in the family Hoplolaimidae. They are known generally as spiral nematodes.O'Bannon, J. H. and R. N. Inserra''Helicotylenchus'' species as crop damaging parasitic nematodes.Nematology Circular 165. Florida Department of Agriculture and Consumer Services. 1989. They are found worldwide because they can live and survive in a wide range of habitats.Subbotin, S. A., et al. (2011)Diversity and phylogenetic relationships within the spiral nematodes of ''Helicotylenchus'' Steiner, 1945 (Tylenchida: Hoplolaimidae) as inferred from analysis of the D2-D3 expansion segments of 28S rRNA gene sequences.''Nematology'' 13(3), 333-45. They are among the most common parasitic nematodes of plants; found in corn, bananas, grass, soybeans. Description The female is wormlike and straight or spiral-shaped. The male is similar, but with a smaller anterior end. The body may take a spiral shape after death, if not in life. This ''habitus mortis'' gives the nemato ...
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