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How to Cultivate Water Apples
Contributed by: Webster
  • 1. What is the ideal climate for growing water apples?
A) Tropical or subtropical
B) Temperate
C) Desert
D) Arctic
  • 2. What type of soil is best suited for water apple trees?
A) Rocky soil
B) Clay soil
C) Well-drained, fertile soil
D) Sandy soil
  • 3. What is the optimal pH level for water apple soil?
A) 7.5 - 8.5
B) 9.0 - 10.0
C) 3.0 - 4.0
D) 5.5 - 6.5
  • 4. How are water apple trees typically propagated?
A) Rhizomes
B) Grafting or air layering
C) Cuttings
D) Seeds
  • 5. What is the recommended spacing between water apple trees when planting?
A) 10-12 meters
B) 6-8 meters
C) 1-2 meters
D) 3-4 meters
  • 6. How often should young water apple trees be watered?
A) Very sparingly
B) Only when the soil is completely dry
C) Never
D) Regularly, especially during dry periods
  • 7. What type of fertilizer is generally recommended for water apple trees?
A) Balanced NPK fertilizer
B) High phosphorus fertilizer only
C) High nitrogen fertilizer only
D) No fertilizer needed
  • 8. When is the best time to prune water apple trees?
A) During flowering
B) During fruiting
C) Any time of the year
D) After harvesting the fruits
  • 9. What is the main reason for pruning water apple trees?
A) To stunt growth
B) To maintain shape and improve fruit production
C) To prevent flowering
D) To attract pests
  • 10. Which of the following is a common pest of water apple trees?
A) Ladybugs
B) Earthworms
C) Bees
D) Fruit flies
  • 11. How can fruit fly infestations be controlled in water apple orchards?
A) Using fruit fly traps or insecticide sprays
B) By flooding the orchard
C) By ignoring the problem
D) By removing the trees
  • 12. What is a common disease that affects water apple trees?
A) Root rot
B) Powdery mildew
C) Yellowing leaves
D) Anthracnose
  • 13. How can anthracnose be prevented or treated in water apple trees?
A) By overwatering the trees
B) By applying more fertilizer
C) Fungicides and proper sanitation
D) By ignoring the disease
  • 14. How long does it typically take for a water apple tree to bear fruit after planting?
A) 3-5 years
B) 10-15 years
C) Never
D) Less than 1 year
  • 15. What color are ripe water apples typically?
A) Blue
B) Red, pink, or white
C) Green
D) Black
  • 16. What is the best way to harvest water apples?
A) By using a machine
B) By shaking the tree
C) By cutting the branches
D) By hand picking when fully ripe
  • 17. How should harvested water apples be stored?
A) In a cool, dry place
B) In a wet container
C) At room temperature
D) In direct sunlight
  • 18. What is a common use for water apples?
A) Eating fresh
B) Building houses
C) Fueling cars
D) Making furniture
  • 19. What is the water apple also known as?
A) Wax Jambu
B) Orange
C) Banana
D) Mango
  • 20. What type of root system do water apples typically have?
A) No root system
B) Extensive root system
C) Deep taproot system
D) Shallow root system
  • 21. Why is wind protection important for water apple trees?
A) To increase pollination
B) To encourage taller growth
C) To prevent fruit drop
D) To prevent root growth
  • 22. What benefit does mulching provide to water apple trees?
A) Dries out the soil
B) Retains moisture and suppresses weeds
C) Increases soil temperature drastically
D) Attracts pests
  • 23. What is the significance of the flower of a water apple tree?
A) It poisons the soil
B) It provides no function
C) It is the precursor to the fruit
D) It attracts birds
  • 24. What is the importance of thinning water apples after fruit set?
A) To increase the quantity of fruits
B) To improve the size and quality of the remaining fruits
C) To prevent the tree from growing
D) To kill off all the fruits
  • 25. How can you encourage more flowering in water apple trees?
A) By withholding water
B) By pruning heavily during flowering season
C) By providing adequate sunlight and fertilizer
D) By applying herbicides
  • 26. What is the best time of day to water water apple trees?
A) Early morning
B) Midday
C) Late afternoon
D) Evening
  • 27. What is the purpose of wrapping the trunk of a young water apple tree?
A) To promote faster growth
B) To kill off pests
C) To restrict growth
D) To protect it from sunscald and pests
  • 28. What is a sign of overwatering in water apple trees?
A) Rapid growth
B) Deep green leaves
C) Increased fruit production
D) Yellowing leaves
  • 29. What is a benefit of planting companion plants near water apple trees?
A) They offer no benefits
B) They steal nutrients from the tree
C) Attracting pollinators or repelling pests
D) They cause root rot
  • 30. What is the water apple fruit primarily composed of?
A) Fiber
B) Protein
C) Fat
D) Water
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