Question
Which type of host(s) is not necessary for completing
the life cycle of a pathogen but aids in its survival during unfavorable periods?Solution
Collateral hosts are those that pathogens primarily attack but are not obligatory for completing their life cycles. They are part of the host range and aid in pathogen survival. In contrast, alternate hosts are crucial for completing the life cycle, while wild hosts and infected seeds serve as sources of primary inoculum.
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