Vertifolia effect is characterized by the loss of

A. Horizontal resistance

B. Vertical resistance

C. Both A and B

D. None of these

Answer: Option A

Solution(By Examveda Team)

Vertifolia effect is characterized by the loss of Horizontal resistance.
The Vertifolia effect is a well-documented phenomenon in the fields of plant breeding and plant pathology.
It is characterized by the erosion of a crop's horizontal resistance to disease during a breeding cycle due to the presence of strong vertical resistance, characterized by the presence of R genes.