Occurrence of forest nursery pests in moist decidous forest ecosystem at Kodagu, Karnataka

Abstract

The observations on the occurrence of forest nursery pests at College of Forestry Nursery, Ponnampet from August 2019 to April 2020 indicated that,Garcinia gummi-gutta, G. indica and Syzygium cumini were majorly infested with pink scales, whiteflies and mealybugs. Chysomelid beetle, Podontia congregata, and a leaf miner; P. congegrata, Busoniomimus manjunathi; Aphids and cow bugs were the insects observed at low level on G. gummi-gutta, G. indica and Albizzia lebbeck, respectively. Sapindus emarginatus recorded the occurrence of a Myllocerous weevil at a lower (0.50 to 6.50) percentage. The incidence of major insects on G. gummi-gutta, G. indica and S. cumini showed a positive correlation with temperature and negative correlation with RH and Rainfall; with significant and non-significant differences.