Resistance of clonal cocoa in Papua New Guinea to bark canker caused by Phytophthora palmivora (Butl.) Butl.

Authors

  • C. Prior University of Papua New Guinea, c/o Lowlands Agricultural Experiment Station, Keravat, East New Britain, Papua New Guinea
  • E. Sitapai Department of Primary Industry, Lowlands Agricultural Experiment Station, Keravat, East New Britain, Papua New Guinea

Abstract

Sixteen clones of Trinitario cocoa were assessed twice for resistance to Phytophthora palmiuora bark canker during 1977. Agreement between the two rankings based on these two assessments was statistically significant. The clones showed a very wide range in resistance.

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Issue

Volume 57 Number 2

Section

Research Papers