Abstract
The data on larval population of Cnapha/ocrocis. medinalis and its damage to rice leaves of different rice varieties! cultivars revealed that Basmati 370 and Basmati 385 had the lowest (2.4) larvae per hill. The longest larval and pupal period (23.7 days and 6.2 days) was on Basmati 385 and Basmati 370 respectively. The growth index of C. medinalis was the lowest (3.15) on Basmati 370. Key words: field incidence. leaffolder, varietal resistance

Mansoor-ul-Hassan, Sohail Ahmed. (2000) COMPARATIVE FIELD INCIDENCE AND BIOLOGY OF CNAPHALOCROCIS MEDINALIS (GN.) ON DIFFERENT RICE VARIETIES I CULTIVARS, , Volume 37, Issue 3,4.
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