Plant Sunburn vs. Leaf Scorch: The Ultimate Diagnosis Guide

Описание: Is your plant suffering from crisp brown leaf edges, bleached spots on fruit, or cracking bark? These are signs of solar-induced plant stress, a common but often misdiagnosed issue. In this comprehensive horticultural guide, we define and differentiate the three major types of solar injury: Leaf Scorch, Photooxidative Sunscald on fruit, and Thermal Bark Sunscald.
We dive into the physiological causes, explaining how leaf scorch is primarily a water transport failure (transpiration deficit), while sunscald results from direct cellular destruction due to intense light or rapid winter freeze-thaw cycles. Accurate diagnosis is critical to ensure you aren't treating solar damage as a biotic disease or nutrient deficiency. We outline extensive preventative strategies, including the necessity of rigorous, multi-week acclimation protocols for new plants and physical protection methods like trunk wrapping for winter. Finally, learn why post-damage management must prioritize hydration and why you must avoid premature pruning, as partially damaged tissue continues to provide necessary energy for recovery.
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Succulent Etiolation: Etiology, Quantification, and Correction