Temporal changes in the vertical distribution of Pratylenchus penetrans under raspberry

Population densities of Pratylenchus penetrans and the biomass of fine roots of raspberry at depths of 0-5, 5-10, 10-20, and 20-30 cm were determined every 2 weeks for 2 years. The vertical distribution of P. penetrans varied from season to season, but the seasonal changes were not similar for the 2...

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Bibliographic Details
Published in:Journal of nematology 1998-06, Vol.30 (2), p.179-183
Main Authors: Forge, T.A, Deyoung, R, Vrain, T.C
Format: Article
Language:English
Subjects:
plant parasitic nematodes
population density
Pratylenchus penetrans
roots
Rubus idaeus
seasonal variation
soil depth
spatial distribution
temporal variation
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Summary:Population densities of Pratylenchus penetrans and the biomass of fine roots of raspberry at depths of 0-5, 5-10, 10-20, and 20-30 cm were determined every 2 weeks for 2 years. The vertical distribution of P. penetrans varied from season to season, but the seasonal changes were not similar for the 2 years. In most seasons, the greatest population density was in the 5 to 10-cm-depth interval. Population densities of P. penetrans were not consistently correlated with the vertical distribution of raspberry roots in any season.
ISSN:0022-300X
2640-396X