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How to Cultivate Ziziphus Fruits
Contributed by: Webster
  • 1. What is the common name for Ziziphus jujuba?
A) Lychee
B) Jujube
C) Date Palm
D) Fig
  • 2. What climate is best suited for Jujube trees?
A) Tropical Rainforest
B) Warm Temperate to Subtropical
C) High Altitude Alpine
D) Arctic Tundra
  • 3. What type of soil drainage is preferred for Jujube trees?
A) Consistently Moist
B) Well-drained
C) Poorly drained
D) Waterlogged
  • 4. What is the optimal soil pH for Jujube trees?
A) 6.0-7.5
B) 9.0-10.0
C) 4.0-5.0
D) 8.0-9.0
  • 5. How are Jujube trees typically propagated?
A) Cuttings
B) Grafting or Budding
C) Air Layering
D) Seeds
  • 6. What is the recommended spacing between Jujube trees?
A) 30-40 feet
B) 5-10 feet
C) 15-20 feet
D) 2-3 feet
  • 7. When is the best time to plant Jujube trees?
A) Anytime of Year
B) Early Spring or Late Fall
C) Mid-Winter
D) Mid-Summer
  • 8. What type of fertilizer is beneficial for Jujube trees?
A) Balanced NPK fertilizer
B) High Phosphorus Fertilizer
C) No Fertilizer Required
D) High Nitrogen Fertilizer
  • 9. How often should Jujube trees be watered, especially when young?
A) Never
B) Regularly, especially when young
C) Very Rarely
D) Only during heavy rains
  • 10. Why is pruning important for Jujube trees?
A) To improve fruit production and tree structure
B) Pruning is not necessary
C) To prevent flowering
D) To stunt growth
  • 11. When is the best time to prune Jujube trees?
A) Anytime of Year
B) Mid-Summer
C) Late Winter or Early Spring
D) Late Fall
  • 12. What is a common pest that affects Jujube trees?
A) Spider Mites
B) Jujube fruit fly
C) Aphids
D) Mealybugs
  • 13. What is a common disease that affects Jujube trees?
A) Witches' Broom
B) Black Spot
C) Powdery Mildew
D) Rust
  • 14. How long does it take for a Jujube tree to start producing fruit after planting?
A) 1 year
B) 2-5 years
C) Never
D) 6-10 years
  • 15. When are Jujube fruits typically harvested?
A) Mid-Winter
B) Late Summer to Fall
C) Early Spring
D) Late Spring
  • 16. What is the color of a ripe Jujube fruit?
A) Purple
B) Yellow
C) Green
D) Reddish-brown
  • 17. How do you know when a Jujube fruit is ripe?
A) Size of fruit
B) Firmness and bright color
C) Softness and falling from tree
D) Color change and slight wrinkling
  • 18. How should Jujube fruits be stored after harvesting?
A) Left at room temperature
B) Under Direct Sunlight
C) Refrigerated
D) Frozen
  • 19. What is the shelf life of fresh Jujube fruits?
A) Several weeks refrigerated
B) 1-2 days at room temperature
C) Only a few hours
D) Indefinitely if frozen
  • 20. What is one way to process Jujube fruits for longer storage?
A) Canning in water
B) Drying
C) Fermenting
D) Pickling
  • 21. What is a common use for dried Jujube fruits?
A) Juice production
B) Biofuel
C) Snacks and herbal remedies
D) Animal feed
  • 22. Are Jujube trees self-pollinating?
A) Yes, but cross-pollination improves fruit set
B) Only under certain conditions
C) Pollination is not necessary
D) No, they require a specific pollinator
  • 23. What does "scion" refer to in Jujube grafting?
A) The rootstock
B) The fertilizer used
C) A type of pruning technique
D) The part that produces the fruit
  • 24. What is the purpose of rootstock selection in Jujube cultivation?
A) To determine the fruit flavor
B) To influence disease resistance and growth habit
C) To prevent the need for pruning
D) To control the color of the leaves
  • 25. What is the benefit of using a drip irrigation system for Jujube trees?
A) Increased weed growth
B) No benefit
C) Soil erosion
D) Efficient water use and reduced disease risk
  • 26. What is the primary method of Jujube plant propagation?
A) Layering
B) Seeds
C) Grafting
D) Division
  • 27. What nutrient deficiency can cause yellowing of Jujube leaves?
A) Potassium
B) Calcium
C) Nitrogen
D) Phosphorus
  • 28. How does fruit thinning affect Jujube trees?
A) Causes premature fruit drop
B) Increases fruit size and quality
C) Reduces fruit production
D) Has no effect on fruit
  • 29. What is the benefit of mulching around Jujube trees?
A) Attracting pests
B) Moisture retention and weed suppression
C) Increased soil temperature
D) Preventing air circulation
  • 30. Which of the following is a characteristic of mature Jujube tree bark?
A) Smooth and green
B) Rough and furrowed
C) Peeling and papery
D) Shiny and black
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