Crystalline Mite
Oligonychus Perseae
Pathogen:
Type:
Insect
Risk:
HIGH
Aguacate
Ácaros
WHO CAUSES IT?
Oligonychus perseae, known as the crystalline mite, is a phytophagous mite that mainly infests avocado crops. This pathogen is tiny in size and its body is transparent or yellowish in color, making it difficult to detect with the naked eye. Females lay their eggs on the underside of leaves, usually near the main veins. The eggs hatch within a few days and the young larvae begin feeding on the leaf tissue. Mite development includes several stages: egg, larva, protonymph, deutonymph and adult. Warm, dry conditions favor their proliferation, and under optimal conditions, an entire generation can develop in just one or two weeks. These mites feed by piercing the mesophyll cells of the leaves and sucking out the cellular contents, leading to discoloration and necrosis of the affected tissue.
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SYMPTOMS
The infestation of Oligonychus perseae in avocado produces the disease known as crystalline mite, which can cause significant damage to the plant if not managed properly. The disease primarily manifests itself on the leaves, where the mites feed and cause visible damage that affects photosynthesis and the overall health of the tree.
- Appearance of chlorotic Taches on the leaves.
- Tanning or burnt appearance in affected areas.
- Loss of shine and vigor in the leaves.
- Premature defoliation.
- Reduction in the size and quality of the fruits.
- Loss of yield in the crop.
TEMPERATURE AND HUMIDITY
20°C - 30°C
40% - 60%
TRANSMISSION ROUTES
Wind, contaminated agricultural tools, direct contact between plants, workers' clothing and hands, infested plant material
Do you want to remove this disease? Choose how you want to treat it.
TREATMENTS
Chemical treatments
• 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 65.4% [EW] P/V
• PARAFFIN OIL 81.7% [EC] P/V
• PARAFFIN OIL 83% [EC] P/V
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [DP] P/P
• SULFUR 80% [SC] P/V
• SULFUR 80% [WG] P/P
• SULFUR 80% [WP] P/P
• ALUMINUM PHOSPHIDE 56% (0.6 G/TABLET) [GE] P/P
• ALUMINUM PHOSPHIDE 56% (3 G/TABLET) [GE] P/P
• ALUMINUM PHOSPHIDE 56% [GE] P/P
• HEXITIAZOX 25.87% [SC] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• TAU-FLUVALINATE 24% [EW] P/V
Authorized treatments in organic farming
• 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 65.4% [EW] P/V
• PARAFFIN OIL 81.7% [EC] P/V
• PARAFFIN OIL 83% [EC] P/V
• SULFUR 70% [SC] P/V
• SULFUR 72% [SC] P/V
• SULFUR 80% [DP] P/P
• SULFUR 80% [SC] P/V
• SULFUR 80% [WG] P/P
• SULFUR 80% [WP] P/P
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
Biological control
• METARHIZIUM BRUNNEUM strain Ma 43 10.5% [OD] P/V
Recommendations
- Regularly monitor crops to detect the presence of crystalline mites early.
- Implement integrated pest management practices that include biological controls, such as the use of natural mite predators.
- Maintain an adequate irrigation program to avoid drought conditions that favor the proliferation of mites.
- Apply selective acaricides according to technical recommendations and rotate different classes of acaricides to avoid resistance.
- Perform sanitary pruning to remove infested leaves and improve air circulation in the tree canopy.
- Avoid excessive use of nitrogen fertilizers, as they promote the growth of tender tissue that is more susceptible to mite infestation.
- Maintain good hygiene in the garden, eliminating plant remains and weeds that may harbor mites.
- Use plant covers and mulching to maintain soil moisture and reduce the spread of mites.
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*The recommended treatments are recommendations based on the authorities' databases and do not replace in any way the guidelines established by the legislation of each country.
*Products shown are recommendations and not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.
TREATMENTS
Homemade remedies
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
REPELLENT PLANTS
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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Effective against all types of fungi
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*The recommended treatments are recommendations based on the authorities' databases and do not replace in any way the guidelines established by the legislation of each country.
*Products shown are recommendations and not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.
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