symptom. Share on Pinterest A sign is the effect of a health problem that can be observed by someone else. A symptom is an effect noticed and experienced only by the person who has the condition. The key difference between signs and symptoms is who observes the effect.
Besides, what do you mean by symptoms of a disease?
Medical Definition of Symptom Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood coming out a nostril is a sign; it is apparent to the patient, physician, and others. Anxiety, low back pain, and fatigue are all symptoms; only the patient can perceive them.
One may also ask, what is the difference between signs and symptoms in plant disease?
A sign of plant disease is physical evidence of the pathogen. For example, fungal fruiting bodies are a sign of disease. A symptom of plant disease is a visible effect of disease on the plant. Symptoms may include a detectable change in color, shape or function of the plant as it responds to the pathogen.
Is death a symptom?
Dying has its own biology and symptoms. Some symptoms, like the death rattle, air hunger and terminal agitation, appear agonizing, but aren't usually uncomfortable for the dying person. They are well-treated with medications. With hospice availability increasing worldwide, it is rare to die in pain.
What are the diseases caused by virus in plant?
- TOBACCO MOSAIC VIRUS (TMV)
- TOMATO SPOTTED WILT VIRUS (TSWV)
- TOMATO YELLOW LEAF CURL VIRUS (TYLCV)
- CUCUMBER MOSAIC VIRUS (CMV)
- POTATO VIRUS Y (PVY)
- CAULIFLOWER MOSAIC VIRUS (CaMV)
- AFRICAN CASSAVA MOSAIC VIRUS (ACMV)
- PLUM POX VIRUS (PPV)