Aphelenchoides
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Aphelenchoides
''Aphelenchoides'' is a genus of mycetophagous nematodes. Some species are plant pathogenic foliar nematodes. Taxonomy In 1961 Sanwal listed 33 species and provided a key. The most important species of these are ''Aphelenchoides ritzemabosi'', the chrysanthemum foliar nematode; ''Aphelenchoides fragariae'', the spring crimp or spring dwarf nematode of strawberry, which also attacks many ornamentals; and ''Aphelenchoides besseyi ''Aphelenchoides besseyi'' is a plant pathogenic nematode. It is sometimes referred to as ''rice white tip'', ''spring dwarf'', ''strawberry bud'', ''flying strawberry nematode'' or ''strawberry crimp disease'' nematode. This foliar nematode i ...'', causing summer crimp or dwarf of strawberry and white tip of rice. Several species of this genus feed ectoparasitically and endoparasitically on aboveground plant parts. References Bibliography * George Agrios (2005): ''Plant Pathology, Fifth Edition''. Elsevier Academic Press External link ...
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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. ''A. ritzemabosi'' is a migratory foliar feeding nematode. It can feed both ectoparasitically and endoparasitically, with the later causing the most significant damage. When adequate moisture is present, this nematode enters the leaves and feeds from inside the tissue. Typical damage is characterized by necrotic zones between the veins of the leaves. Its lifecycle is short; only ten days from egg to mature adult. A single female can lay as many as 3,500 eggs. This pest can be difficult to control. Host plant resistance, hot water treatments, and predatory mites are recommended. Nomenclature and Synon ...
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Aphelenchoides Composticola
''Aphelenchoides'' is a genus of mycetophagous nematodes. Some species are plant pathogenic foliar nematodes. Taxonomy In 1961 Sanwal listed 33 species and provided a key. The most important species of these are ''Aphelenchoides ritzemabosi'', the chrysanthemum foliar nematode; ''Aphelenchoides fragariae'', the spring crimp or spring dwarf nematode of strawberry, which also attacks many ornamentals; and ''Aphelenchoides besseyi ''Aphelenchoides besseyi'' is a plant pathogenic nematode. It is sometimes referred to as ''rice white tip'', ''spring dwarf'', ''strawberry bud'', ''flying strawberry nematode'' or ''strawberry crimp disease'' nematode. This foliar nematode i ...'', causing summer crimp or dwarf of strawberry and white tip of rice. Several species of this genus feed ectoparasitically and endoparasitically on aboveground plant parts. References Bibliography * George Agrios (2005): ''Plant Pathology, Fifth Edition''. Elsevier Academic Press External lin ...
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Aphelenchoides Saprophilus
''Aphelenchoides'' is a genus of mycetophagous nematodes. Some species are plant pathogenic foliar nematodes. Taxonomy In 1961 Sanwal listed 33 species and provided a key. The most important species of these are ''Aphelenchoides ritzemabosi'', the chrysanthemum foliar nematode; ''Aphelenchoides fragariae'', the spring crimp or spring dwarf nematode of strawberry, which also attacks many ornamentals; and ''Aphelenchoides besseyi ''Aphelenchoides besseyi'' is a plant pathogenic nematode. It is sometimes referred to as ''rice white tip'', ''spring dwarf'', ''strawberry bud'', ''flying strawberry nematode'' or ''strawberry crimp disease'' nematode. This foliar nematode i ...'', causing summer crimp or dwarf of strawberry and white tip of rice. Several species of this genus feed ectoparasitically and endoparasitically on aboveground plant parts. References Bibliography * George Agrios (2005): ''Plant Pathology, Fifth Edition''. Elsevier Academic Press External lin ...
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Aphelenchoides
''Aphelenchoides'' is a genus of mycetophagous nematodes. Some species are plant pathogenic foliar nematodes. Taxonomy In 1961 Sanwal listed 33 species and provided a key. The most important species of these are ''Aphelenchoides ritzemabosi'', the chrysanthemum foliar nematode; ''Aphelenchoides fragariae'', the spring crimp or spring dwarf nematode of strawberry, which also attacks many ornamentals; and ''Aphelenchoides besseyi ''Aphelenchoides besseyi'' is a plant pathogenic nematode. It is sometimes referred to as ''rice white tip'', ''spring dwarf'', ''strawberry bud'', ''flying strawberry nematode'' or ''strawberry crimp disease'' nematode. This foliar nematode i ...'', causing summer crimp or dwarf of strawberry and white tip of rice. Several species of this genus feed ectoparasitically and endoparasitically on aboveground plant parts. References Bibliography * George Agrios (2005): ''Plant Pathology, Fifth Edition''. Elsevier Academic Press External link ...
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Aphelenchoides Besseyi
''Aphelenchoides besseyi'' is a plant pathogenic nematode. It is sometimes referred to as ''rice white tip'', ''spring dwarf'', ''strawberry bud'', ''flying strawberry nematode'' or ''strawberry crimp disease'' nematode. This foliar nematode is found in Africa, North, Central, and South America, Asia, Eastern Europe, and Pacific islands.Bridge, J., and Jim L. Starr, Plant Nematodes of Agricultural Importance - A Colour Handbook. 2007.McGawley, E.C., M.C. Rush, and J.P. Hollis, Occurrence of Aphelenchoides besseyi in Louisiana Rice Seed and Its Interaction with Sclerotium oryzae in Selected Cultivars. J Nematol, 1984. 16(1): p. 65-8.Hoshino, S. and K. Togashi, Effect of Water-Soaking and Air-Drying on Survival of Aphelenchoides besseyiinOryza sativa Seeds. J Nematol, 2000. 32(3): p. 303-8. Morphology ''A. besseyi'' has a well-developed and distinct metacorpus. The stylet is small with well-developed knobs. The tail has a mucro with three points. Males have a r ...
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Aphelenchoides Fragariae
Strawberry foliar nematode, or strawberry crimp nematode, is a disease caused by ''Aphelenchoides fragariae'', a plant pathogenic nematode. It is common in strawberries and ornamental plants and can greatly affect plant yield and appearance, resulting in a loss of millions of dollars of revenue. Symptoms used to diagnose the disease are angular, water soaked lesions and necrotic blotches. ''Aphelenchoides fragariae'' is the nematode pathogen that causes the disease. Its biological cycle includes four life stages, three of which are juvenile. The nematode can undergo multiple life cycles in one growing season when favorable conditions are present. The crowns, runners, foliage, and new buds of the plant via stylet penetration or through the stomata can be infected. The best management practices for this disease are sanitation, prevention of induction of the pathogen to the environment, and planting clean seed or starter plants. Importance Foliar nematodes are an important pla ...
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Aphelenchoides Bicaudatus
''Aphelenchoides bicaudatus'' is a nematode parasite of '' Elaeidobius kamerunicus'', ''Vigna marina'', and ''Agaricus bisporus''. Distribution In June 1980 ''E. kamerunicus'' were imported from Cameroon to Malaysia. They were needed to pollinate ''Elaeis guineensis'', which until then had been inadequately pollinated by whatever native insects were around. The pupae were found to be severely infested with ''A. bicaudatus'' and so were treated until nematode-free before being released. It occurs commonly as a soil organism in New South Wales. ''A. bicaudatus'' is also found in: Libya, China, India, and Brazil. Protein expression ''A. bicaudatus'' may be distinguished from other '' Aphelenchoides'' and '' Ditylenchus angustus'' and '' D. myceliophagus'' by some of their α- and β-esterase An esterase is a hydrolase enzyme that splits esters into an acid and an alcohol in a chemical reaction with water called hydrolysis. A wide range of different esterases exist that di ...
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Aphelenchoides Subtenuis
''Aphelenchoides subtenuis'' is a plant pathogenic nematode. It is an important cause of disease in daffodils ('' Narcissus''). References Bibliography * External links Nemaplex, University of California - Aphelenchoides subtenuis Agricultural pest nematodes subtenuis Nematodes described in 1926 {{Secernentea-stub ...
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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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