Mite infestation in mulberry and its impact on crop loss in selected districts of Karnataka

Mulberry (Morus spp.) is the sole food plant of silkworms, and its productivity and leaf quality play a vital role in successful sericulture. Among the various biotic stresses, infestation of mites has emerged as a major constraint affecting mulberry cultivation in several sericulture-growing regions of Karnataka. The present study assesses the extent of mite infestation and associated crop loss across selected districts, namely Ramanagara, Bengaluru, Tumakuru, Kolar, Bidar, Maddur, and Chitradurga. The results revealed considerable variation in infestation levels, ranging from 1-5 per cent in Bidar to as high as 25-30 per cent in Kolar. Correspondingly, crop loss due to mite damage varied from less than 5 per cent to 15 per cent, with higher losses observed in districts recording severe infestation. Districts such as Kolar, Tumakuru, and Maddur showed comparatively higher infestation and crop loss, while Bidar recorded minimal damage. Mite infestation was found to adversely affect leaf yield and quality, thereby posing a serious threat to silkworm rearing and cocoon production. The study highlights the need for timely monitoring and adoption of integrated mite management practices to reduce losses and ensure sustainable mulberry production in the region.