Vol. 11, Special Issue 11 (2022)

Author(s):
Khursheed Ahmad Dar

Abstract:
Pebrine disease of silkworm caused by Nosema spp. is most dangerous disease because of its transovarian mode of transmission, fast secondary spread and recurrence and has posed a great challenge for its control throughout Globe especially in India. The disease ruined the silk industry in France and Italy as early as in 1845. Disease outbreak can cause 100% crop loss for years if not managed properly. Keeping in view the magnitude and severity of disease some locally available chemicals with known anti protozoan activity were evaluated at different concentrations for management of this dreadful disease. The overall results obtained after completion of 3 years trial have shown significant potential of all the test chemicals for management of the disease, out of three test chemicals Sodium bicarbonate at 0.6% was found most effective as compared to metronidazole and carbendazim in all the parameters under study.