Sunburn on pepper is a common problem that affects the quality of the fruits. In this article from the “WORLD OF PLANTS” website, we discuss the reasons for their appearance and ways to prevent them to preserve the crop.
Introduction to sunburn disease on pepper
Scientific name: Sunscald
Sunburn is a physiological condition, not a disease in the traditional sense, and occurs as a result of peppers being exposed to direct sunlight for long periods.
Symptoms of sunburn on pepper
- White or yellow spots: White or yellow spots appear on the exposed parts of the fruits.
- Dry and hardened skin: Exposing fruits to direct sunlight for long periods may cause dryness and hardening of the skin.
- Tissue decomposition: In severe cases, sunburn may cause exposed tissue to decompose and ulcerate.
Causes of sunburn on pepper
- Exposure to direct sunlight: The main reason is that the fruits are exposed to direct sunlight for long periods without sufficient coverage.
- Lack of leaves: The lack of leaves that protect the fruits from the sun can increase the possibility of sunburn.
Suitable conditions for the spread of sunburn on pepper
- High temperature: High temperatures increase the possibility of solar stroke.
- Drought: Inadequate irrigation can increase the exposure of fruits to direct sunlight, leading to sunburn.
The development cycle of sunshine on pepper
- Initial stage: With continued exposure to sunlight, the spots increase in size and dehydration and tissue decomposition may occur.
- Evolution: With continued exposure to sunlight, the spots increase in size and dehydration and tissue decomposition may occur.
- Advanced stage: Affected areas become hard and dry, and in severe cases, blistering may occur.
Pictures of sunburn on peppers
Spreading sunburn losses on pepper
- Crop damage: Sun damage leads to damage to a large part of the crop, which reduces quality and commercial value.
- Low productivity: Sunburn can reduce overall plant productivity.
Strategy to combat sunburn on pepper
- Provide shade: Use shade techniques or plant peppers in partially shaded areas to reduce exposure to sunlight.
- Increase the amount of leaves: Maintain the density of leaves on plants to provide natural protection for the fruits.
Preventive measures to prevent sunburn on peppers
- Regular irrigation: Maintain regular and sufficient irrigation to keep the plants hydrated and limit exposure of the fruits to direct sunlight.
- Use appropriate cultivation techniques: Plant peppers in areas protected from the sun or use agricultural nets to provide shade.
Recommendations for organic and chemical control of sunburn on pepper
- Organic control: Agricultural nets can be used as natural protection from sun damage.
- Chemical control: There are no direct chemical controls for sunburn, but improved water management and fertilization can reduce its impact.
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References
- Sun scald disease - Sun scald in pepper - almerja
- Sun scald disease - Sun scald in pepper - almerja
- Sun blight on pepper - Reference
- Hot peppers are susceptible to sunburn in summer, how to prevent it? -bestplanthormones
- SUNSCALD VERY PREVALENT IN PEPPERS THIS YEAR – University of Delaware
- Sunscald on Peppers – Causes, Fixes, and Prevention – realselfsufficiency
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