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