Influence of Edaphic Factors and Previous Crop on Pratylenchus spp. Population Densities in Potato

Root and soil samples from commercial potato fields were assayed for nematodes in 1983 and 1984. Pratylenchus spp. population densities in Suffolk County, New York, were consistently, though not always statistically, higher in potato fields that had been planted to rye or wheat rather than potatoes...

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Détails bibliographiques
Publié dans:Journal of nematology. - 1969. - 19(1987), 1 vom: 15. Jan., Seite 85-92
Auteur principal: Florini, D A (Auteur)
Autres auteurs: Loria, R, Kotcon, J B
Format: Article
Langue:English
Publié: 1987
Accès à la collection:Journal of nematology
Sujets:Journal Article Baermann pie pan Pratylenchus crenatus Pratylenchus penetrans Secale cereale Solanum tuberosum Triticum aestivum edaphic factor population density potato plus... root lesion nematode rye soil moisture soil type survey wheat
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520 |a Root and soil samples from commercial potato fields were assayed for nematodes in 1983 and 1984. Pratylenchus spp. population densities in Suffolk County, New York, were consistently, though not always statistically, higher in potato fields that had been planted to rye or wheat rather than potatoes during the previous growing season. Regardless of the previous crop, population densities in the two potato production areas in Suffolk County differed significantly: population densities on the south fork were 1.9-5.5 times higher than those on the north fork. Species prevalence differed significantly on the two forks but was not related to the previous year's crop. P. penetrans and P. crenatus were found primarily on the north and south forks, respectively. Differences in species distribution were associated with differences in soil types. P. crenatus was usually found on loams and silt loams, but P. penetrans was found more frequently on sandy soils 
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700 1 |a Kotcon, J B  |e verfasserin  |4 aut 
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