Efficacy of Integrated Barrier System for Management of Pink Mealybug Maconellicoccus hirsutus (Green) in Mulberry

Author: P. Kumaresan*, V. Sivaprasad and G.R. Manjunatha

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Abstract

Efficacy of bio-pesticide Spinosad 45% SC in combination with barrier system was studied to control the pink mealybug Maconellicoccus hirsutus (Green) infested mulberry (Morus alba L.) variety S-1635. The results revealed that the Percent Infestation (PI) was more in summer and winter seasons i.e., 67.28% & 67.13%, respectively. Likewise, the Percent Damage Index (PDI) exhibited 37.99% in summer followed by winter 31.11%. It was also observed that for the both PI&PDI during rainy season, which were found to be less i.e., 53.65% and 21.11%, respectively. The mean performance of pest reduction % over the seasons revealed that the barrier T3 (Neem cake + Spinosad) showed 85.60 % pest reduction followed by the barrier T2 (Husk ash + Spinosad) (72.70 %) compare to control (Spinosad only) (47.73 %) on infested plants. The gain % of pest reduction obtained for barrier alone was recorded 44.24%, 36.65%, 34.35% and 30.05% for T3, T4, T2 and T1, respectively when compared to control. The re

Keywords

Pink mealybug, Bio-pesticide, Eco-friendly, Barrier, IPM.