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