Author(s):

Mushtaq A Ganai and Zakir H Khan

Abstract:
Population dynamics and extent of damage of Rhopobota naevana (Hubner) was studied at Shalimar, Chitherhama and Dhara in managed and unmanaged apple orchards during 2010-2012. The results revealed that adult trap catch initiated (4.33 moths per trap/ night) in first week of June, reached its peak value (35 moths per trap/night) during 2^nd, 3^rd week of August and finished its flight in last week of September. Monitoring of larval populationindicated that larval infestation began in 2^nd week of May reached its peakvalue in 3^rd week of July and reached to zero in 1^stweek of September. Study of per cent damage done during cropping season indicated that twig damage started in 2^nd (2.75%) and 3^rd (2.56%) week of May in unmanaged and managed orchards, respectively, reached its highest value (75% and 20%) in unmanaged and managed orchard, respectively during 3^rd week of July and afterwards went on decreasing.

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