How to Cultivate Lychees - Quiz
  • 1. What climate is most suitable for lychee cultivation?
A) Temperate
B) Arctic
C) Desert
D) Subtropical or tropical
  • 2. What is the ideal soil pH for lychee trees?
A) 9.0-10.0
B) 5.5-6.5
C) 7.5-8.5
D) 3.5-4.5
  • 3. Lychee trees require well-drained soil to prevent:
A) Root rot
B) Fruit splitting
C) Leaf scorch
D) Sunburn
  • 4. Which propagation method is most commonly used for lychees?
A) Cuttings
B) Air layering
C) Grafting
D) Seed
  • 5. How often should young lychee trees be watered?
A) Only when the soil is completely dry
B) Daily, regardless of soil moisture
C) Once a month
D) Regularly, keeping soil moist
  • 6. What type of fertilizer is generally recommended for lychees?
A) High phosphorus fertilizer
B) No fertilizer
C) High nitrogen fertilizer
D) Balanced NPK fertilizer
  • 7. When should lychee trees be pruned?
A) Never
B) After harvest
C) During flowering
D) During fruiting
  • 8. What is the purpose of pruning lychee trees?
A) To make the tree shorter
B) To encourage disease
C) Improve air circulation and sunlight penetration
D) To stop fruit production
  • 9. Lychee fruits are typically ready to harvest when they are:
A) Green and hard
B) Small and unripe
C) Fully colored and easily detached
D) Overripe and soft
  • 10. What is a common pest that affects lychee trees?
A) Lychee stink bug
B) Praying mantis
C) Earthworm
D) Ladybug
  • 11. What disease can cause significant damage to lychee fruit?
A) Powdery mildew
B) Anthracnose
C) Black spot
D) Rust
  • 12. What is the ideal spacing between lychee trees?
A) 40-50 feet
B) 25-30 feet
C) 10-15 feet
D) 5-10 feet
  • 13. How can you protect young lychee trees from frost?
A) Don't do anything
B) Wrap the trunk with burlap
C) Apply nitrogen fertilizer
D) Prune heavily
  • 14. What does mulching around lychee trees help with?
A) Retaining soil moisture
B) Attracting pests
C) Preventing root growth
D) Increasing soil pH
  • 15. Why is proper drainage important for lychee trees?
A) Reduces leaf size
B) Prevents root rot
C) Increases nutrient uptake
D) Encourages fruiting
  • 16. Which lychee variety is known for its late ripening?
A) Mid-season cultivars
B) Early-ripening cultivars
C) Late-ripening cultivars
D) Any random cultivar
  • 17. What is the 'alternate bearing' tendency in lychees?
A) Bearing fruit only every other year
B) Bearing heavily one year, then lightly the next
C) Bearing fruit continuously
D) Never bearing fruit
  • 18. How can you minimize 'alternate bearing'?
A) Proper fertilization and pruning
B) Planting more trees
C) Neglecting the trees
D) Overwatering
  • 19. What is the significance of a lychee tree's dormant period?
A) It only occurs in colder climates
B) Essential for flower bud development
C) Irrelevant to fruit production
D) Allows for leaf shedding
  • 20. What is 'air layering' also known as?
A) Grafting
B) Marcotting
C) Dividing
D) Budding
  • 21. Which nutrient is most important for lychee flower development?
A) Nitrogen
B) Potassium
C) Phosphorus
D) Calcium
  • 22. What is a sign of nitrogen deficiency in lychee trees?
A) Stunted growth
B) Yellowing leaves
C) Dark green leaves
D) Excessive fruit production
  • 23. What is the best way to prevent fruit cracking in lychees?
A) Underwatering
B) Ignoring the trees
C) Consistent watering and proper nutrition
D) Overwatering
  • 24. What role do bees play in lychee cultivation?
A) Pest control
B) Watering the trees
C) Nutrient uptake
D) Pollination
  • 25. At what temperature does cold damage occur to lychee trees?
A) Below 50°F (10°C)
B) Below 70°F (21°C)
C) Below 32°F (0°C)
D) Below 60°F (15.5°C)
  • 26. What is the purpose of girdling in lychee trees?
A) Prevent fruiting
B) Increase leaf size
C) Kill the tree
D) Promote flowering
  • 27. How long does it typically take for a lychee tree to bear fruit after planting?
A) Never
B) 10-12 years
C) 1 year
D) 3-5 years
  • 28. What is the optimal humidity level for lychee cultivation?
A) Humidity is not important
B) Moderate humidity
C) High humidity
D) Low humidity
  • 29. What is the best time of day to harvest lychees to avoid sun damage?
A) Anytime
B) Late afternoon
C) Midday
D) Early morning
  • 30. Which of the following can cause lychee sunburn?
A) Mulching
B) Proper pruning
C) Sufficient watering
D) Excessive sun exposure
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