Part of the leaf that turned brown.
The part of the leaf that turns brown is often referred to as the "browning" or "discolored" area. This typically occurs due to various factors such as environmental stress, disease, pest infestation, or nutrient deficiencies. To determine the specific cause of the browning, you can follow these steps:
1. Inspection: Examine the entire leaf and locate the area that has turned brown. Make note of the color, pattern, and shape of the discolored area.
2. Environmental factors: Consider any recent changes in environmental conditions that could have contributed to leaf browning. These include extreme temperatures, excessive sunlight exposure, lack of water, or exposure to chemicals.
3. Disease and pests: Look for signs of diseases or pests on the affected area such as spots, lesions, or insect infestation. Common leaf diseases include fungal infections like leaf spot or bacterial blight, while common pests include aphids, mites, or caterpillars.
4. Nutrient deficiencies: Check for any visible signs of nutrient deficiencies on the leaf, like yellowing or discoloration in specific patterns. Common nutrient deficiencies include nitrogen, iron, or magnesium.
5. Research and diagnosis: Based on your observations and the characteristics of the browned area, conduct research or consult plant resources (books, forums, or websites) to identify potential causes and corresponding solutions. Consider factors such as the specific type of plant, growing conditions, and common issues associated with it.
By following these steps, you should be able to identify the potential causes of leaf browning and take appropriate action to address the issue.