Why do you think it will get PM? PM is an environmental issue. Are you not able to control the environment? With a proper environment and air circulation there is no reason to believe you’ll have any micro-climates around a plant. Defoliate the large fan leaves if you want more light and air flow through the interior of the plant.

Another world… another time…

Here’s Banner’s interview with DJ Short.

Disease does change DNA/RNA and does cause genetic drift. That’s not some environmental phenotypic expression.