Population Fluctuations of Nematodes Associated With Red Pine Seedlings Following Chemical Treatment of the Soil1)

Population Fluctuations of Nematodes Associated With Red Pine Seedlings Following Chemical... POPULATION FLUCTUATIONS OF NEMATODES ASSOCIATED WITH RED PINE SEEDLINGS FOLLOWING CHEMICAL TREATMENT OF THE SOIL1) BY JACK R. SUTHERLAND AND R. E. ADAMS Department of Plant Pathology, Bacteriology, and Entomology West Virginia University, Morgantown, U.S.A. Thirteen genera of stylet-bearing nematodes, two taxonomic groups (Dorylaimidae and Hetero deridae), Mononchus sp. and nonstylet-bearing nematodes were found associated with red pine seedlings in a West Virginia nursery. The most prevalent plant-parasitic nematodes were Paratylen. chus sp., Hoplolaimus galeatus, and a Trichodorus sp. D-D mixture, methyl bromide, Nemagon, and Vapam were evaluated for their effectiveness to control the nematodes. Only methyl bromide gave satisfactory control of the plant-parasitic nematodes; however, after the second growing season, the nematode population levels of all treated plots were less than those for the control. Bacterium- and fungus-feeding nematodes accounted for the rapid increase in the populations following methyl bromide treatment. Population levels of all the nematodes increased after all treatments and reached a peak in October of the first year. The populations declined during the winter months, and rose again the second year. A species of Eucephalobus was the most common nonstylet-bearing nematode, while a Mononchus sp. was the predominant predaceous nematode. A temporary decline in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Population Fluctuations of Nematodes Associated With Red Pine Seedlings Following Chemical Treatment of the Soil1)

Nematologica, Volume 12 (1): 122 – Jan 1, 1966

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Publisher
Brill
Copyright
© 1966 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
D.O.I.
10.1163/187529266X00095
Publisher site
See Article on Publisher Site

Abstract

POPULATION FLUCTUATIONS OF NEMATODES ASSOCIATED WITH RED PINE SEEDLINGS FOLLOWING CHEMICAL TREATMENT OF THE SOIL1) BY JACK R. SUTHERLAND AND R. E. ADAMS Department of Plant Pathology, Bacteriology, and Entomology West Virginia University, Morgantown, U.S.A. Thirteen genera of stylet-bearing nematodes, two taxonomic groups (Dorylaimidae and Hetero deridae), Mononchus sp. and nonstylet-bearing nematodes were found associated with red pine seedlings in a West Virginia nursery. The most prevalent plant-parasitic nematodes were Paratylen. chus sp., Hoplolaimus galeatus, and a Trichodorus sp. D-D mixture, methyl bromide, Nemagon, and Vapam were evaluated for their effectiveness to control the nematodes. Only methyl bromide gave satisfactory control of the plant-parasitic nematodes; however, after the second growing season, the nematode population levels of all treated plots were less than those for the control. Bacterium- and fungus-feeding nematodes accounted for the rapid increase in the populations following methyl bromide treatment. Population levels of all the nematodes increased after all treatments and reached a peak in October of the first year. The populations declined during the winter months, and rose again the second year. A species of Eucephalobus was the most common nonstylet-bearing nematode, while a Mononchus sp. was the predominant predaceous nematode. A temporary decline in

Journal

NematologicaBrill

Published: Jan 1, 1966

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