On which crops can Metalaxyl and Mefenoxam be applied?

Metalaxyl and Mefenoxam are fungicides that are typically used to control downy mildew and other fungal diseases in a variety of crops. The correct answer highlights that these fungicides can be effective on alfalfa as well as a range of other crops. This versatility makes them beneficial in agricultural practices where multiple crop types are cultivated.

In the case of alfalfa, Metalaxyl and Mefenoxam are particularly valuable since this crop is susceptible to specific diseases that these fungicides can help manage. Additionally, these chemicals are registered for use on a wider range of crops beyond just alfalfa, which contributes to their broad application potential in different agricultural scenarios.

The other options focus on restrictive usage scenarios which do not accurately reflect the registered uses of these fungicides. For instance, stating they can only be applied to cereal grains, vegetables, or turfgrass ignores their broader applicability and can lead to misunderstandings about their capabilities in crop protection.