Spina, M.L. 2001 [Pyriform cochineal (Protopulvinaria pyriformis Cockerell) infestations in avocado plantules grown from seeds.]. Informatore Fitopatologia 51(6): 64-66.

Notes: Protopulvinaria pyriformis infestations in Valencia, Spain were detected in propagules grown from seeds. The occurrence of P. pyriformis in avocado propagules grown from seeds was also discovered in the area. After a short account on avocado growing, the origin, geographical distribution and morphological characteristics of P. pyriformis are presented. Damages incurred by this pest and the chemical and biological measures for its control are also included. The use of chemical control is advisable only during high infestation rates.