What Is Palisade Death
Palisade death refers to the browning, wilting, or collapse of the palisade mesophyll tissue in leaves. This tissue is responsible for most photosynthesis, so its loss directly reduces plant vigor and yield.
Common Causes and Risk Factors
Palisade death is often triggered by heat stress, drought, intense light, or chemical damage. Fungal infections, bacterial diseases, and nutrient imbalances can also weaken cell walls, making tissue more vulnerable to rapid breakdown.
Prevention and Management
Maintain consistent irrigation, use shade cloth during extreme heat, and rotate crops to reduce disease pressure. For detailed guidance on identifying leaf tissue damage, consult resources from agricultural extension services such as the University of California Integrated Pest Management program at https://ipm.ucanr.edu/.
