Question

An apple grower notices that several of his apple trees with fungi growing on their trunks have developed necrotic ring spots, while other trees in the orchard that lack fungi appear healthy. What is the most likely conclusion the farmer can make about the virus infecting his apple trees?


The apple trees were infected by horizontal transmission.
The fungi carry disease.
The fungi attract disease-carrying insects.
The apple trees were infected by vertical transmission.

Answer 1

Answer:

The apple trees were infected by horizontal transmission

Explanation:

• When an infection is transmitted between the members of the same species however the transmission is not from parent to child, such transmission fo infection is referred to as horizontal transmission.
• Since the transmission of viral infection is taking place in the orchard amongst the same species that is, the apple trees, the transmission is horizontal.

Answer 2

The most likely conclusion the farmer can make is that the fungi carry disease

What is Vertical transmission?

This is the transmission of pathogens from parent plants to their offsprings while horizontal transmission involves transfer between two plants which makes the both of them incorrect.

The fungi growing on the trunks and developing necrotic ring spots means that it carried a disease.

Read more about TRansmission here https://brainly.com/question/2023401