During the entire growth cycle of Cyclamen, the types and severity of pests and diseases can vary significantly depending on environmental conditions. As a result, certain pests are more commonly encountered. Here are the most prevalent ones:
First, thrips: Symptoms include curled leaves along the edges, brown and shiny leaf surfaces, leaf shrinkage and deformation, black rot in buds, petals that fail to open, and irregular flowering. Thrips feed on sap from young leaves and tender shoots. They thrive in high-temperature, dry, and poorly ventilated environments, especially during summer.
Control methods:
1. Apply emulsions such as dicofol, buprofezin, and chlorpheniramine, focusing on young leaves, buds, and the center of the bulb. Since thrips develop resistance quickly, it's important to alternate between different chemicals.
2. When preparing the growing medium, add 1 kg of 3% carbofuran per cubic meter of soil.
Second, aphids: Symptoms include wrinkled, yellowing leaves that fall off, and stunted plant growth. Aphids mainly feed on the underside of young leaves and shoots. They are more active in warm, stagnant air conditions, with their population increasing as spring temperatures rise.
Control methods:
1. Use sprays like dichlorvos, omethoate, phoxim, and others. Pay special attention to the underside of leaves, as aphids are highly resistant. Alternating between different pesticides is recommended.
2. Place sticky traps to capture aphids effectively.
Third, caterpillars (such as greenworms): Symptoms include holes and gaps in the leaves, with young leaves often appearing incomplete. They primarily feed on new leaves and shoot tips.
Control methods:
1. Spray insecticides like enemy kills, trichlorfon, and dichlorvos.
2. Use biological pesticide Bt suspension for prevention by spraying the back of the leaves.
3. Apply dichlorvos in greenhouse corners to kill eggs, and keep the surrounding area clean by removing weeds and debris.
Fourth, Cyclamen flies: These pests attack the roots and bulbs of Cyclamen, causing the affected areas to shrink and sink. This leads to wilting and yellowing of leaves, and in severe cases, plant death.
Control methods:
1. Target larvae by applying trichlorfon, dichlorvos, omethoate, or phoxim.
2. Control adult flies by spraying trichlorfon or dichlorvos.
3. When preparing the growing medium, mix in 1 kg of 3% carbofuran per cubic meter to prevent infestation.
Proper monitoring and timely intervention are crucial in managing these pests. Maintaining good ventilation, controlling humidity, and keeping the growing environment clean can also help reduce the risk of infestations. Regular inspections and early treatment are key to ensuring healthy Cyclamen growth.
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