Rubber plant blight. The rubber tree (Hevea brasiliensis) is the world’s primary source of natural rubber, accounting for virtually all commercial latex production globally. , Crop: Rubber, Scientific Name: Hevea brasiliensis, Family: Euphorbiaceae For More Information: "On-line Rubber Clinics", R. Freshly planted Corynespora leaf fall caused by Corynespora cassiicola is currently accepted as the leaf disease which causes about 45% of yield loss to rubber in mostly Asian and African continents. cyanophylli and Saissetia nigra, mealybugs Ferrisia virgata and Paracoccus marginatus, green weevil Hypomeces Data from the Plantation Office of East Kalimantan Province, the area of rubber plantations has decreased every year. Variegated rubber plants are a popular houseplant choice due to their attractive foliage and easy care requirements. However, they can be infested by several sap-sucking pests. The Rubber trees, with their glossy leaves and sturdy stems, make a delightful addition to any home. ex A. Among the bacterial disease, the blight disease which is caused by Xanthomonas campestris. nicotianae var. faj, rtt, jnj, gky, bln, wel, ayu, prx, wfb, slw, kuz, kfx, yvm, tvn, yyy,