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Agriculture · Q929

Plant Pathology

Graduate and Post Graduate · Agriculture · question 929

Q929

When plant showed the partial resistance against all the races of pathogen then it is a type of

A.
Horizontal resistance
Answer
B.
Vertical resistance
C.
Induced resistance
D.
Non-host resistance

Answer: Option A

Solution

Answer: Option A
Solution:
When plants showed partial resistance against all races of pathogens then it is a type of Horizontal resistance.
In genetics, the term horizontal resistance was first used by J. E. Vanderplank to describe many-gene resistance, which is sometimes also called generalized resistance.
The resistance that is effective at preventing successful attack by all races of a pathogen is called general (or horizontal) resistance.