Vertical resistance is also known as
A. Major gene and general resistance
B. Oligogenic resistance
C. Qualitative resistance
D. All of the above
Answer: Option D
Solution (By Examveda Team)
Vertical resistance is also known as Major gene and general resistance, oligogenic resistance and Qualitative resistance.A plant variety that exhibits a high degree of resistance to a single race, or strain, of a pathogen is said to be vertically resistant; this ability usually is controlled by one or a few plant genes.
If resistance to some races of a pathogen is more than to other races, it is called Vertical resistance. It is also called Perpendicular resistance, Physiological resistance, seedling resistance, hypersensitivity, race-specific resistance, or qualitative resistance.
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