OSU research indicates that the less toxic iron phosphate containing slug baits are as effective as those with metaldehyde.
Control plant-eating mollusks early and often
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
Home remedies have shown some effectiveness against many garden pests and diseases.
A guide for how to collect and where to get a sample analyzed for plant diseases.