oa African Entomology - Differential susceptibility of mango cultivars in South Africa to galling by the mango gall fly, Procontarinia matteiana Kieffer & Cecconi (Diptera: Cecidomyiidae)

Volume 6, Issue 1
  • ISSN : 1021-3589



The susceptibility of 11 mango cultivars (Heidi, Tommy Atkins, Sabre, Zill, Peach, Kensington, Haden, Keitt, Kent, Irwin and Sensation) to galling by mango gall fly, Procontarinia matteiana Kieffer & Cecconi, was determined during the December 1995 leaf flushes at Lisbon Estates and at the ARC - Institute for Tropical and Subtropical Crops (ITSC). Leaf area, number of galls per leaf, gall density and gall diameters were quantified for each cultivar. Sensation was resistant to mango gall fly attack. Only pseudogalls were found on Keitt, Kent and Irwin. The remaining cultivars showed different levels of susceptibility with Heidi the most susceptible and Kensington the least susceptible. Gall densities and diameters on Tommy Atkins, Sabre, Zill, Peach and Haden varied between localities and gall densities tended to be higher and gall diameters smaller at Lisbon than at ITSC. The general consistency of cultivar susceptibility levels between sites, and data from previous studies, confirmed that the level of susceptibility to mango gall fly is related to cultivar. A preliminary classification of the susceptibility of South African mango cultivars to attack by P. matteiana is presented.

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