This is a common falacy. Organic forming can only use organic chemical solutions, some of which are far more toxic than their synthetic alternatives. Explore this idea by checking out strawberry production.

Berries iirc are particularly sensitive to various pesticides, more so than a lot of other produce. It's one of the few products I will seek out Organic over not, when I have them.

One can use chemical solutions in Organic Farming, if these are organic, e.g. rotenone, insect-killing viruses, bacteria and fungi.

In some rare cases, synthetic mineral solutions are allowed, like copper sulfate.