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This is 99% urban legend. You can just barely create it in a lab with just the right plant (with thick hydrophobic trichromes) under just the right light with
by mapt 2y ago
This is 99% urban legend. You can just barely create it in a lab with just the right plant (with thick hydrophobic trichromes) under just the right light with no wind... but that's not what happens in nature.
- tzot 2y ago> but that's not what happens in nature. Exactly. When it rains in nature, 95% of the times a) there isn't enough sunlight for the droplets to focus and make a burn spot, and b) the droplets don't stay on the leaf but flow down instead. The original advice is solid and not an urban legend, but it applies to cases like watering plants in your balcony when the sun is out, bright and hot. Source: I have caused burn spots in plants of my own.
- Kerrick 2y agoThose “burn spots” are almost certainly from a fungal disease, not from some magnifying glass effect. https://s3.wp.wsu.edu/uploads/sites/403/2015/03/leaf-scorch.pdf https://s3.wp.wsu.edu/uploads/sites/403/2015/03/leaf-scorch....