Articles
Leaf-Mark Diagnosis Guide Do Water Droplets Cause Burn Marks on Plumeria Leaves? Ordinary clean water droplets resting directly on a smooth leaf are not, by themselves, a reliable explanation for burn marks. Research shows focused-light injury requires particular droplet shapes and leaf-surface conditions. However, a droplet containing fertilizer salts, pesticides, surfactants, hard-water minerals, or airborne […]
