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