STUDIES ON FEEDING PREFERENCE OF ADULT FRUIT SUCKING MOTH, Eudocima (Othreis) materna (L.) : A CLUE FOR DEVISING TRAP CROPPING STRATEGIES

P D KAMALA JAYANTHI, ABRAHAM VERGHESE, D K NAGARAJU

Abstract


Selected pomegranate and guava varieties were evaluated through choice / no›choice laboratory bioassays, to study the feeding preference of fruit sucking moth, Eudocima (Othreis) materna (L.). Results clearly showed that pomegranate was less preferred and ripe guava fruits were highly preferred by the moth.  Field survey conducted in pomegranate and guava orchards (adjacent to each other) during 2003-04, also revealed more damage in guava orchards (30.77 - 30.91%) and zero damage in pomegranate orchards showing strong preference of fruit sucking moth for guava fruits. Thus, moths high preference for guava can be exploited for devising trap crop strategies to minimize fruit sucking moth damage in commercial pomegranate growing areas, where the fruit sucking moth problem is endemic. The scope and practicality of this concept are discussed.

Keywords


Fruit sucking moth; Eudocima materna (L); Pomegranate; Punica granatum L.; guava; Psidium guajava L.; trap crop

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