DES-X

According to the label, what is a specific restriction regarding the use of DES-X on table grapes?

• Do not use once they become 6-7 mm in diameter ✓
• Do not use on grapes grown in California
• Do not use on grapes if they are yellow-skinned
• Do not use on grapes during the harvest month

Answer: The restrictions state: 'Do not use on table grapes once they become 6-7 mm in diameter.'

Which of the following pest groups is DES-X effective against in their adult, larval, and nymph stages?

• Aphids, mealybugs, and spider mites ✓
• Bees, butterflies, and ladybugs
• Rodents, birds, and beetles
• Bacteria, fungi, and viruses

Answer: The label states DES-X is effective against aphids, mealybugs, whiteflies, scale insects, spider mites, and tent caterpillars.

Which of the following is a required piece of Personal Protective Equipment (PPE) for DES-X?

• Chemical-resistant gloves (e.g., nitrile, butyl, or neoprene) ✓
• A full-face respirator with organic vapor cartridges
• A heavy-duty rubberized rain suit
• N95 particulate mask

Answer: The PPE section requires chemical-resistant gloves such as barrier laminate, butyl, nitrile, neoprene, PVC, or viton.

When mixing DES-X, what should be done if the water is 'hard' (>300 ppm)?

• Reduce the hardness before mixing ✓
• Increase the concentration to 4%
• Add more agitation to compensate
• Only mix with distilled water

Answer: The mixing notes state: 'Hard water (>300 ppm) should be reduced before mixing.'

When applying DES-X to crops, what is the recommended timing regarding sunlight and weather?

• Spray in the morning, evening, or when overcast ✓
• Spray only during full sun for maximum contact
• Spray only during the hottest part of the day
• Spray only during midday when temperatures are highest

Answer: The label instructs not to spray during full sun and to spray in the morning or evening/overcast.

Under which condition is DES-X prohibited from use regarding sulfur applications?

• Do not apply within 3 days of a sulfur application ✓
• Do not apply within 24 hours of a sulfur application
• Do not apply if sulfur was used in the last 7 days
• Do not apply if sulfur is applied on the same day

Answer: The label states the product is incompatible with sulfur or products applied within 3 days of sulfur application.

What is the Re-entry Interval (REI) for DES-X?

• 12 hours ✓
• 24 hours
• 48 hours
• 72 hours

Answer: The label explicitly lists the REI as 12 hours.

What is the required dilution rate for DES-X when treating an active infestation?

• 2 gal per 100 gal of water ✓
• 1 gal per 50 gal of water
• 5 gal per 100 gal of water
• 0.5 gal per 100 gal of water

Answer: The application rate specified for general insect/mite control is 2 gal per 100 gal of water (2% formulation).