Norms for Release of Larval, Prepupal and Pupal Parasitoids of Opislna Arenosella Wlk., the Leaf Eating Caterpillar of the Coconut Palm

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dc.contributor.authorSathiamma, B.
dc.contributor.authorPillai, G.B.
dc.contributor.authorJose Abraham
dc.contributor.authorKeshava Bhat, S.
dc.contributor.authorJayapal, S.P.
dc.contributor.authorRamachandran Nair, K.
dc.date.accessioned2014-07-08T05:02:31Z
dc.date.available2014-07-08T05:02:31Z
dc.date.issued1987-12
dc.description.abstractAn experiment was conducted to work out the dosages for release of the larval, prepupal and pupal parasitoids of Opisina arenosella under field conditions. Parasite releases were madeat three doses Viz. Zero, 25 and SOX of the target stages of the pest population at fortnightly intervals. Observations revealed that the releases of the parasites effected varying levels of reduction in population density of O. arenosella. The reduction obtained was significant in plots in which the larval parasitoid Goniozus nephantidis and the prepupal parasitoid Elasmus nephantidis were released. The doses worked out were 20.5% for G. nephantidis, 49.4X for E. nephantidis and 31.9% for B. nosatoi, when the parasitoids were released individually, and 40.4% when a combined release was made.en_US
dc.identifier.citationJournal o f Plantation Crops ,Vol 15,Issue 2,Pages 118-122en_US
dc.identifier.urihttp://hdl.handle.net/123456789/3822
dc.language.isoenen_US
dc.titleNorms for Release of Larval, Prepupal and Pupal Parasitoids of Opislna Arenosella Wlk., the Leaf Eating Caterpillar of the Coconut Palmen_US
dc.typeArticleen_US

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