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The current work aims to determine the monthly infestation of zamia palms by cycad blue butterfly, Chilades pandava for two successive years, as well as the effect of some biological and safe compounds on the reduction of infestation with butterfly. Chilades pandava infestation was estimated within two consecutive years by monthly recorded the numbers of infested zamia palms, at Abo-Ghaleb village, Giza governorate. The obtained results revealed that the highest infestation was recorded during May (14.67&15.33) and August (14.50&14.76), while the minimum infestation was recorded during January (2.6&3.67 palms) and February (4&4.67) at 2022 and 2023 years. The effect of some biological and safe compounds on infestation with C .pandava butterfly on zamia palms spraying three times at 30 days interval were arrangement according to reduction percentages as follow: Biomagic (60.40%), Ashok (59.52%), Palmetto gold (58.52%), KZ oil (56.97%), Captivprim (55.28%), Top Prefect (53.55%), Mixture of Top Perfect+ Folk oil (53.34%), Castrol oil (52.67%), Mixture of Ashok + Natural Oly fert (52.07%), Nano oil (51.97%), Protecto (47.50%) and Biover (47.30%). Accordingly, the present study could be help to set up the management program of cycad blue butterfly.
El-Aassar et al. (Tue,) studied this question.
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