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ISSN : 2456-8643

Title:
PROPHYLACTIC EFFECT OF ABITYLGUANIDE IN NUCLEAR POLYHEDROSIS OF SILKWORM

Authors:
Stoyan Karaivanov ,Mladen Manchev and Angel S. Galabov

Abstract:
Abitylguanide, an effective antiviral against DNA-containing viruses pathogenic for humans, manifested a marked activity toward the baculovirus-induced nuclear polyhedrosis of the silkworm, Bombixmori L. Applied at experimental conditions during the spring and autumn silkworm feedings, 0.1 to 0.15% abitylguanide solution strongly decreased (> 9 to 10 times) the incidence of spontaneous polyhedrosis. An increase in cocoon yield (by 3%)and quality was also registered. These effects were confirmed during trials carried out in two consecutive years at the industrial scale. We found a substantial increase in cocoon production in both spring (by 3 to 5%) and autumn (by about 14%), which was markedly higher. These results were obtained by spraying a 0.1% abitylguanide aqueous solution on mulberry leaves. Cocoon quality was improved compared to a dry control group.

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