The image shows a close-up of a person's hand holding a small branch of a plant. The branch appears to be a root knot, which is a type of root knot that is responsible for the growth and development of the plant. It has a dark brown color and is covered in small, irregularly shaped roots. The roots are twisted and twisted, with some of them reaching upwards towards the top of the branch. The background is a grassy field, suggesting that the photo was taken outdoors. The text on the image reads "Host: Noni Disease: Root knot Pathogen: Root-knot nematodes (Melodogyne sp.)".