What is dieback? Md. Saifur Rahman Dieback is a disease of the plant due to the deficiency of sulfur, which causes the tip of the stem to die. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?