California Agriculture (Mar 1964)

Pear psylla proven carrier of pear decline virus

  • D. D. Jensen,
  • W. H. Griggs,
  • C. Q. Gonzales,
  • Henry Schneider

DOI
https://doi.org/10.3733/ca.v018n03p2
Journal volume & issue
Vol. 18, no. 3
pp. 2 – 3

Abstract

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Recent studies provide very strong evidence that quick decline disease of pears is caused by a virus transmitted by the pear psylla rather than by an insect toxin alone.