Surveillance and Mapping of Basal Stem Rot Disease in Oil Palm Plantation Using Unmanned Aerial Vehicle (UAV) and Multispectral Camera Basal stem rot (BSR) disease caused by Ganoderma boninensis is still a major disease in oil palm plantations both in Indonesia and Malaysia. In some countries. remote sensing approach has been used for monitoring BSR in oil palm plantation. However. https://countryscenesaddleryandpetsuppliers.shop/product-category/draw-reins/