This idea came in discussion with Glen Atkinson (link to his brain dump and his products). He pointed out that in RS's medical lectures Steiner said that those developing Anthroposophical medicine should start use the language of the 4 contributing human 'bodies' (Ego astral etheric physical) in their diagnoses. That would start a transition from 'flu' and 'migraine' to 'unstable astral in the nerve sense pole' ... or whatever.
Now that researchers have some efforts to fill the gaps in RS's indications on the preparations in terms of how they guide the various 'bodies' we can begin to match these with relevant diagnoses of plant diseases - anthracnose, blight, bunt, mildew and so forth.
That's what this forum is for. You are invited to become involved.