oa Journal of the Entomological Society of Southern Africa - Varietal interplanting in relation to control of the codling moth

Volume 4, Issue 1
  • ISSN : 0013-8789



The interplanting of varieties has long been an accepted practice in pear and apple orchards, the main object being to ensure satisfactory cross-pollination. Although the influence of this practice on the incidence and control of the codling moth (Carpocapsa pomonella L.) has received very little attention, recent evidence of a general nature shows that it may be of great importance. Thus Bodenheimer and Naim (1930) have pointed out that the interplanting of quince, late varieties of pear, and early and late varieties of apple results in the occurrence of flowers and blossoms over an extended period and in the provision of optimum food conditions for the pest. Doinikov (1936) again, ascribes variations in general codling moth infestation amongst neighbouring orchards to differing combinations of kinds and varieties of fruit. In both cases, restricted interplanting of varieties is suggested as a means of reducing the codling moth infestation.

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