Carbohydrate Concentration in Pine as Affected by Inoculation with Bursaphelenchus xylophilus

Authors

  • R. I. Bolla
  • K. Fitzsimmons
  • R. E. K. Winter

Abstract

Pines responded to inoculation with Bursaphelenchus xylophilus by changes in reducing and nonreducing carbohydrate concentrations dependent on the pine species and the pathotype of B. xylophilus with which the trees were inoculated. Carbohydrate concentrations, in compatible pine-nematode pathotype combinations, decreased initially after inoculation and then increased slightly before decreasing to approximately 10% of the control levels as the seedlings wilted. In compatible nematode pathotype-pine species combinations, carbohydrate concentrations decreased and then increased as the nematode population densities declined. Key words: Bursaphelenchus xylophilus, carbohydrate, host response, monoterpene, pathotype, pine-wood nematode, Pinus nigra, P. strobus, P. sylvestris.

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Published

1987-01-15

Issue

Vol. 19, No. 1 (January 1987)

Section

Articles

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