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Wind Burn

Wind Burn

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Indoor cannabis growers commonly utilize fans to create a pleasant and breezy environment for their plants. However, it is essential to be cautious, as excessive wind can lead to certain issues. When marijuana plants are subjected to too much breeze, their leaves may suffer from wind burn. Wind-burned leaves typically exhibit a clawed appearance, with their tips curling downwards. While clawed leaves can resemble symptoms of overwatering, underwatering, or nitrogen toxicity, wind burn is identified when the leaves in close proximity to the fan exhibit this clawed shape while leaves farther away remain unaffected. Additionally, high levels of wind can cause unusual problems, such as the development of brown or bronze spots on affected leaves, resembling burn marks. These spots occur due to the leaf's inability to perform its normal functions.

Cause of Issue
◉ Excessive wind or wind burn is the primary cause. ◉ When the airflow becomes too intense, it leads to clawed leaves and spots. ◉ The leaves are unable to withstand the forceful wind, resulting in the observed symptoms.
Symptoms
◉ Clawed leaves: Wind-burned cannabis leaves exhibit a clawed appearance, with the tips curling downward. ◉ Brown or bronze spots: Excessive wind can cause the development of brown or bronze spots on the leaves, resembling burn marks.
Corrective Actions
◉ Proper fan placement: Ideally, aim for a gentle breeze surrounding the main canopy, ensuring air circulation both above and below the plants. Avoid directly pointing a strong fan at the plants, as it can damage the leaves and stems. In smaller spaces, it may be better to direct the fan toward the wall rather than directly at the plants. ◉ Check airflow distribution: After placing fans, assess the entire grow area to ensure that all parts receive a slight breeze. Adjust the fan positions if you notice stagnant air or a lack of airflow in certain areas. ◉ Oscillating fans: Utilize small oscillating fans, as they are cost-effective and provide a gentle breeze over a relatively wide area without prolonged exposure to any specific part of the plants.
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