GERMPLASM EVALUATION OF GUAVA AGAINST BARK EATING CATERPILLAR, Indarbela tetraonis (Moore)

P. V. RAMI REDDY, C. VASUGI

Abstract


Thirty five guava germplasm collections were evaluated under field  conditions for resistance to bark eating cateipillar, Indarbela tetraonis (Moore) during  2000-02 at Indian Institute of Horticultural Research, Bangalore, India. The mean number  of bored holes per tree varied from 0.00 in ‘Spear Acid’ to 11.75 in ‘EC147036 (7-I2)’.  Five accessions viz., ‘Bangalore Local‘, ‘Lalit‘, ‘Portugal’, ‘Spear Acid’ and ‘Superior Sour  Lucidum’ were resistant (<2 holesltree) while ‘Seedless’, ‘Hafsi‘ and exotic collection viz.,  ‘ECl47036(7-12)’ were highly susceptible (>10 holes/tree). Popular cultivars  viz., ‘Allahabad Sat‘eda', ‘Arka Mridula', ‘Chittidar’ and 'Benaras‘ were moderately  resistant (>2-5 holes/tree).


Keywords


Bark eating caterpillar; germplasm; guava; Indarbela tetraonis; resistance

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