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The correct answer is B
The condition in plants brought about through lack of certain essential elements and is not easily detected by outward appearance.
Citrus canker is _____ disease.
DSF (defatted soy flour) is used in the manufacture of
Presence of pin head like orange coloured dots in the nodal region of sugarcane is an important symptom of
When a pathogen kills the host tissue before penetrating and then lives saprophytically, what is it called?
Which term refers to the time elapsing between penetration and the completion of infection, i.e., the development of disease symptoms?
Disease that occurs irregularly and in relatively few instances, and may be endemic in one region and epidemic in another?