Trips
Thrips
Thrips
Pathogen:
Insect
Type:
Risk to the plant:
HIGH
DESCRIPTION
WHO CAUSES IT?
Thrips (Thysanoptera) are small, elongated insects that affect a variety of crops, including cucurbits. Thrips feed by scraping the surface of leaves, flowers and fruits to extract cellular juices, which can cause significant damage. Females lay eggs in plant tissue, and larvae emerge to feed. Thrips can complete their life cycle quickly, especially in hot, dry conditions, and can multiply rapidly in warm environments.
SYMPTOMS
Damage caused by thrips on cucurbits includes discoloration and silvering on the leaves, which can affect the photosynthetic ability of the plant. Additionally, thrips can damage flowers and fruits, causing deformation and scarring, which can negatively affect the quality of the harvest.
• Discoloration and silvering on leaves.
• Damage to flowers, which can cause deformation and loss of quality.
• Scars on the fruits, which can reduce their commercial value.
• General weakening of the plant and reduction in production.
TEMPERATURE AND HUMIDITY
20°C - 35°C
50% - 80%
HOW IS IT SPREAD?
Flight of adults, contact with infected plants, eggs laid on leaves.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• ORANGE OIL 6% [SL] P/V
• ORANGE OIL 60g/L [ME] P/S
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• CYANTRANILIPROL 20% [SC] P/V
• DELTAMETHRIN 2.5% [EC] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• PYRETHRINS 4% (PYRETHHRINE EXTR.) [EC] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• CHROMATIC TRAP
• ADHESIVE TRAP
Authorized treatments in organic farming
• ORANGE OIL 6% [SL] P/V
• ORANGE OIL 60g/L [ME] P/S
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• PYRETHRINS 4% (PYRETHHRINE EXTR.) [EC] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• CHROMATIC TRAP
• ADHESIVE TRAP
Insect allies
PREDATORY MITES
LADYBUGS
LACEWINGS
PARASITIC WASPS
HOVERFLIES OR PARASITIC FLIES
PREDATORY BUGS
There are no natural allies
Mycodiplosis oidii (predatory mosquito)
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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• Practice good weed management to eliminate possible alternative hosts.
• Maintain a regular monitoring program to detect and treat the infestation early.
• Use colored sticky traps to catch adults and monitor their presence.
• Promote natural enemies such as predatory mites and parasitic wasps to control the thrips population.
• Use specific insecticides following local recommendations when necessary.
• Avoid excessive use of insecticides to protect the natural enemies of thrips.
Recommendations
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