Plant-parasitic Nematodes Associated with Cherry Rootstocks in Michigan

Authors

  • H. Melakeberhan
  • G. W. Bird
  • R. Perry

Abstract

In two field trials, 10-year-old sweet and tart cherry rooted on 'Mazzard', 'Mahaleb', 'MXM 2', 'MXM 14', 'MXM 39', 'MXM 60', 'MXM 97', and 'Colt' showed 10-203 Pratylenchus penetrans per g fresh root from all tart rootstocks, and up to 46 Pratylenchus, Criconemella, and Xiphinema spp. per 100 cm³ soil. Infestation of soil containing 1-year-old Mazzard, Mahaleb, MXM 60, 'GI148-1', and 'G1148-8' with 625/100 cm³ soil of either P. penetrans or C. xenoplax resulting in final nematode population densities of 123-486 and 451-2,496/g fresh root plus 100 cm³ soil, respectively, and had little effect on plant height or dry weight after 157 days in a greenhouse. Population densities of neither nematode differed among the five rootstocks. In a second greenhouse experiment, soil containing the same rootstocks was infested with P. penetrans (1,250/100 cm³ soil), maintained for 8 months in a greenhouse, 4 months in a cold room (2-4 C), and 3 additional months in a greenhouse. The number of P. penetrans recovered at the end of 475 days was approximately 10% of those recovered in the first experiment, probably due to the cold treatment. The ability of P. penetrans and C. xenoplax to infect the cherry rootstocks may be of concern in cherry management programs. Key words: cherry, Criconemella xenoplax, Helicotylenchus, lesion nematode, management, Meloidogyne, nematode, Pratylenchus penetrans, Prunus avium, ring nematode, root-knot nematode, spiral nematode, rootstock, Xiphinema americanum.

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Published

1994-12-15

Issue

Vol. 26, No. 4S (December 1994)

Section

Articles

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