How to Cultivate Apples - Quiz
  • 1. What is the ideal pH range for apple tree soil?
A) 8.5-9.5
B) 4.5-5.5
C) 6.0-7.0
D) 7.5-8.5
  • 2. Which of these is NOT a common apple rootstock?
A) MM.111
B) M.9
C) Kentucky Blue
D) M.26
  • 3. When is the best time to prune apple trees for structural shaping?
A) Mid-Summer
B) Late Winter/Early Spring
C) Early Fall
D) Anytime
  • 4. What is a common pest that affects apple trees?
A) Earthworm
B) Apple Maggot
C) Praying Mantis
D) Ladybug
  • 5. Which of these diseases commonly affects apple trees?
A) Tomato Blight
B) Apple Scab
C) Powdery Mildew (general)
D) Rose Black Spot
  • 6. What is the purpose of thinning apple fruit?
A) To improve fruit size and quality
B) To attract pollinators
C) To prevent diseases
D) To make the tree look neater
  • 7. What is the most common method of propagating apple trees?
A) Layering
B) Cuttings
C) Grafting
D) Seed
  • 8. Why are apple trees often grafted?
A) To ensure desired fruit characteristics
B) To prevent pest infestations
C) To make them easier to transplant
D) To make them grow faster
  • 9. What is the chilling requirement for apple trees?
A) The amount of water needed per week
B) The amount of fertilizer needed per year
C) The amount of sunlight required per day
D) The number of hours below a certain temperature
  • 10. Why is pollination important for apple trees?
A) To keep the tree alive
B) To produce fruit
C) To make the tree grow taller
D) To prevent diseases
  • 11. What is a good organic fertilizer for apple trees?
A) Motor Oil
B) Bleach
C) Compost
D) Synthetic Nitrogen Fertilizer
  • 12. What does 'biennial bearing' mean in apple trees?
A) Bearing fruit twice a year
B) Bearing heavily one year and lightly the next
C) Bearing only green apples
D) Bearing only red apples
  • 13. What is the benefit of using mulch around apple trees?
A) Deters birds
B) Retains moisture and suppresses weeds
C) Increases soil pH
D) Attracts beneficial insects
  • 14. When is the typical apple harvest season in the Northern Hemisphere?
A) Spring
B) Late Summer/Fall
C) Winter
D) Early Summer
  • 15. What type of pruning cut encourages new growth?
A) Base Cut
B) Heading Cut
C) Thinning Cut
D) Bench Cut
  • 16. What is the purpose of dormant oil spray?
A) To control overwintering pests
B) To stimulate spring growth
C) To fertilize the tree
D) To prevent sunburn
  • 17. Which of the following apple varieties is known for its disease resistance?
A) Red Delicious
B) Gala
C) Liberty
D) Fuji
  • 18. What is the benefit of espalier training?
A) Increased disease resistance
B) Space saving and ornamental value
C) Faster fruit production
D) Easier pollination
  • 19. What is the most important factor to consider when selecting an apple variety?
A) Climate compatibility
B) Fruit sweetness
C) Fruit color
D) Fruit size
  • 20. What tool is best for removing suckers from an apple tree?
A) Lawn Mower
B) Axe
C) Tractor
D) Pruning Shears
  • 21. What does 'girdling' refer to?
A) Damage to the trunk that interrupts nutrient flow
B) A method of pest control
C) The process of thinning fruit
D) A type of pruning cut
  • 22. Why is it important to remove dead or diseased branches?
A) To increase fruit production
B) To prevent spread of disease
C) To make the tree look neater
D) To attract pollinators
  • 23. Which of these is a sign of over-watering an apple tree?
A) Curling leaves
B) Yellowing leaves
C) Rapid growth
D) Increased fruit size
  • 24. What is the best way to protect young apple trees from rabbits?
A) Tree guards or fencing
B) Poison
C) Loud noises
D) Spraying with water
  • 25. What is the purpose of staking a young apple tree?
A) To increase fruit size
B) To provide support and promote upright growth
C) To attract pollinators
D) To prevent disease
  • 26. Which type of apple tree typically requires a pollinator?
A) Heirloom varieties
B) Dwarf varieties
C) Self-incompatible varieties
D) Self-pollinating varieties
  • 27. How can you tell if an apple is ripe and ready to pick?
A) It is very hard
B) It falls off the tree easily
C) It separates easily from the spur
D) It is bright green
  • 28. What is the benefit of adding lime to the soil?
A) To add nitrogen to the soil
B) To kill weeds
C) To lower the pH of alkaline soil
D) To raise the pH of acidic soil
  • 29. What is 'fire blight'?
A) A type of pruning technique
B) A type of apple variety
C) A bacterial disease affecting apples
D) A type of fertilizer
  • 30. What is the minimum number of hours of sunlight apple trees need per day?
A) 6-8 hours
B) 10-12 hours
C) 2-4 hours
D) 4-6 hours
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