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Investigation-Research: Molecular and Morphological Analysis of Isolates of Pratylenchus coffeae and Closely Related Species
Morphological and genome variation between 32 nematode isolates identified originally as Pratylenchus coffeae, P. gutierrezi, P. loosi, and P. pseudocoffeae were characterized to estimateExpand
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Improved nematode extraction from carrot disk culture.
Radopholus spp. were reared in carrot tissue culture via established procedures, with slight modification. Several plant tissue maceration enzymes and flotation media (salts and sucrose) wereExpand
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Mechanisms conferring plant incompatibility to nematodes.
SUMMARY Incompatibility (resistance) of plants to nematode parasites is conferred by repulsive chemicals in a few cases but rarely, if at all, by penetration barriers or nutritional deficiencies inExpand
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A comparison of techniques for extraction and study of anhydrobiotic nematodes from dry soils.
Anhydrobiotic nematodes were fixed and extracted from dry Mojave desert soils with hot and cold fixatives (5% formalin and 4% gluteraldehyde). Morphologically, extracted nematodes were tightly coiledExpand
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Phylogenetic Analysis of Geographically Diverse Radopholus similis via rDNA Sequence Reveals a Monomorphic Motif.
The nucleic acid sequences of rDNA ITS1 and the rDNA D2/D3 expansion segment were compared for 57 burrowing nematode isolates collected from Australia, Cameroon, Central America, Cuba, DominicanExpand
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Observations onColeoscirus simplex (Acarina: Prostigmata), a predatory mite that colonizes greenhouse cultures of rootknot nematode (Meloidogyne spp.), and a review of feeding behavior in the
AbstractColeoscirus simplex (Ewing) · (Cunaxidae: Coleoscirinae) colonizes greenhouse pot cultures of rootknot nematodes (Meloidogyne spp.) in Orlando, Florida, where it preys on vermiform nematodesExpand
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Aggressiveness and Damage Potential of Central American and Caribbean Populations of Radopholus spp. in Banana.
Monoxenic cultures of burrowing nematode populations extracted from banana roots from Belize, Guatemala, Honduras, and Costa Rica were established on carrot discs. Cultures of Radopholus spp. wereExpand
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Association of glyceollin with the incompatible response of soybean roots to Meloidogyne incognita
Glyceollin accumulated 2 to 3 days after inoculation of incompatible cv. Centennial soybean roots with Meloidogyne incognita, but not in the related compatible cultivar, Pickett 71. Both varietiesExpand
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Radopholus citrophilus sp. n (Nematoda), a sibling species of Radopholus similis
Radopholus citrophilus sp. n. is described and separate d from its sibling species , R. similis by a number of biological characteristics . This new species is morphologicall y indistinguishabl eExpand
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Chromosome number of Populations of Radopholus similis from North, Central, and South America, Hawaii, and Indonesia (l)
SUMMARY Chromosome numbers were determined in seventeen populations of Radopholus similis from widely separated geographic regions of the world, viz. Honduras, Costa Rica, Panama, Mexico, Ecuador,Expand
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