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Scale
Coccus Viridis
Pathogen:
Insect
Type:
Risk:
HIGH
Escamas
WHO CAUSES IT?
Coccus viridis, known as the green mealybug, is an insect of the Coccidae family. This insect presents a simple metamorphosis that includes the egg, nymph and adult stages. Adult females, which are bright green and oval in shape, lay their eggs on the underside of avocado leaves. After hatching, the nymphs go through several molts while they feed on the plant's sap. Nymphs are flat and light yellow, while adults develop a waxy protective covering. Adult scale insects are sedentary, attaching themselves to leaves and branches as they continue to feed and reproduce.
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SYMPTOMS
The green scale insect causes a disease in avocados known as scale. This disease affects the general health of the plant, reducing its vigor and the quality of the fruits. The symptoms of the infestation are visible on the leaves, branches and fruits of the avocado, causing damage that can lead to a significant decrease in production.
- Presence of green scale insects on the underside of the leaves and branches.
- Yellowing and premature leaf fall.
- Reduction in plant growth and vigor.
- Formation of sooty mold (black mold) due to the excretion of honeydew by mealybugs.
- Deterioration of the quality of the fruits.
TEMPERATURE AND HUMIDITY
20°C - 28°C
60% - 80%
TRANSMISSION PATHS
Movement of infested plants, wind, direct contact between plants, contaminated tools, insect vectors
Do you want to remove this pest? Choose how you want to treat it.
TREATMENTS
Chemical treatment
• RAPE OIL 1.53% [AL] P/V
• RAPE OIL 848.24 g/l [EC] P/V
• ORANGE OIL 60g/L [ME] P/S
• PARAFFIN OIL (CAS [64742-46-7]) 79% [EC] P/V
• PARAFFIN OIL (CAS [64742-46-7]) 80% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 54.6% [EW] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 40% [EW] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 80% [EC] P/V
• Paraffin oil 65.4% [EW] P/V
• PARAFFIN OIL 81.7% [EC] P/V
• PARAFFIN OIL 83% [EC] P/V
• ACETAMIPRID 20% [SG] P/P
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• DELTAMETHRIN 2.5% [EC] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• PYRIPROXIFEN 10% [EC] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
Authorized treatments in organic farming
• RAPE OIL 1.53% [AL] P/V
• RAPE OIL 848.24 g/l [EC] P/V
• ORANGE OIL 60g/L [ME] P/S
• PARAFFIN OIL (CAS [64742-46-7]) 79% [EC] P/V
• PARAFFIN OIL (CAS [64742-46-7]) 80% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 54.6% [EW] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 40% [EW] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 80% [EC] P/V
• Paraffin oil 65.4% [EW] P/V
• PARAFFIN OIL 81.7% [EC] P/V
• PARAFFIN OIL 83% [EC] P/V
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
Traitements biologiques
• APHYTIS MELINUS (Parasitoid and predatory insects)
• CHRYSOPERLA CARNEA (Parasitoid and predatory insects)
• RHYZOBIUS LOPHANTHAE (Parasitoid and predatory insects)
Recommendations
- Carry out regular inspections on avocado crops to detect the presence of mealybugs early.
- Use horticultural oils or insecticidal soaps to suffocate mealybugs and their eggs.
- Introduce natural enemies such as ladybugs and parasitoid wasps that feed on mealybugs.
- Prune and destroy infested plant parts to reduce the scale insect population.
- Maintain adequate fertilization and irrigation to strengthen plants and make them less susceptible to pests.
- Implement physical barriers or sticky traps around the crop to prevent spread.
- Apply specific chemical treatments in a controlled manner, avoiding excessive use that could lead to the development of resistance.
TREATMENTS
Homemade treatments
There are no home treatments
Natural allies
Chemical treatments
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
RECOMMENDATIONS
- Check the back of the leaves frequently, especially in dry weather.
- Spray water on the leaves to increase humidity and prevent them from settling.
- Keep plants healthy with good watering and adequate light.
- If you see cobwebs or damage, clean the leaves with a damp cloth or pressurized water.
- Use potassium soap or neem oil every few days until they disappear.
REPELLENT PLANTS
Rosemary, Dill, Coriander
RECOMMENDED PRODUCTS
*The recommended treatments are still recommendations according to the databases of the authorities and at no time do they replace the guidelines established according to the legislation of each country
*The products shown are recommendations and are not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.
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