How to Identify and Classify Raspberries
  • 1. What is the primary fruit characteristic used to identify raspberries?
A) The ease with which the fruit separates from the receptacle.
B) The color of the canes.
C) The thorniness of the plant.
D) The size of the leaves.
  • 2. If a fruit comes off the plant leaving a white core (receptacle) exposed, it is likely a:
A) Dewberry
B) Raspberry
C) Strawberry
D) Blackberry
  • 3. What is the typical color of a red raspberry?
A) Black
B) Yellow
C) Red to dark red
D) Purple
  • 4. What type of cane growth characterizes summer-bearing raspberries?
A) Fruiting on second-year canes (floricanes)
B) Fruiting directly from the root system
C) Fruiting on first-year canes (primocanes)
D) Fruiting on both first and second-year canes
  • 5. What type of cane growth characterizes fall-bearing raspberries?
A) Fruiting on second-year canes (floricanes)
B) Fruiting only after a period of dormancy
C) Fruiting on both first and second-year canes
D) Fruiting on first-year canes (primocanes)
  • 6. Which of the following is a common characteristic of black raspberries?
A) Yellow fruit and thornless canes
B) Red fruit and erect canes
C) Purple fruit and trailing canes
D) Black fruit and arching canes
  • 7. What is the term for raspberries that produce two crops per year?
A) Biennial
B) Everbearing
C) Annual
D) Perennial
  • 8. The term 'primocane' refers to:
A) The flower buds
B) The root system
C) A first-year cane
D) A second-year cane
  • 9. The term 'floricane' refers to:
A) A first-year cane
B) The root system
C) The flower buds
D) A second-year cane
  • 10. Which cane type will produce fruit on a summer-bearing raspberry?
A) Root sucker
B) Leaf stem
C) Floricane
D) Primocane
  • 11. What is the general shape of a raspberry leaf?
A) Simple
B) Needle-like
C) Compound
D) Scale-like
  • 12. What is a common characteristic of purple raspberries?
A) They are true-breeding varieties
B) They are hybrids of red and black raspberries
C) They are resistant to all common raspberry diseases
D) They only grow in specific soil types
  • 13. How does pruning differ between summer-bearing and fall-bearing raspberries?
A) Both types require the same pruning methods.
B) Fall-bearing requires removal of floricanes, summer-bearing can be mowed down.
C) Summer-bearing requires removal of floricanes, fall-bearing can be mowed down.
D) Neither type requires pruning.
  • 14. Which of the following factors is important when selecting a raspberry variety?
A) Leaf shape
B) Flower color
C) Disease resistance
D) Cane height
  • 15. What soil pH is generally best for growing raspberries?
A) Highly acidic (4.0-5.0)
B) Slightly acidic (6.0-6.8)
C) Alkaline (8.0-9.0)
D) Neutral (7.0)
  • 16. What does 'self-fruitful' mean in the context of raspberries?
A) The plant does not require pollination to produce fruit.
B) The plant is resistant to most common diseases.
C) The plant can pollinate itself to produce fruit.
D) The plant requires cross-pollination with another variety.
  • 17. How are most raspberry plants propagated?
A) From seeds
B) From root suckers or cane cuttings
C) From leaf cuttings
D) From grafting
  • 18. Which of the following is a common raspberry pest?
A) Rose aphid
B) Squash vine borer
C) Tomato hornworm
D) Raspberry crown borer
  • 19. Which of the following is a common raspberry disease?
A) Anthracnose
B) Late blight
C) Powdery mildew
D) Septoria leaf spot
  • 20. What is the ideal planting depth for raspberry plants?
A) Shallower than they were in the nursery.
B) It does not matter as long as the roots are covered.
C) Deeper than they were in the nursery.
D) At the same depth they were in the nursery.
  • 21. What is the typical spacing between raspberry plants in a row?
A) 6-8 inches
B) 2-3 feet
C) 5-6 feet
D) 10-12 feet
  • 22. What type of support system is often used for raspberries?
A) Mulching
B) Staking
C) Trellis
D) Fertilizing
  • 23. Why is good air circulation important for raspberry plants?
A) To improve pollination.
B) To reduce the risk of fungal diseases.
C) To increase fruit size.
D) To deter insect pests.
  • 24. What type of fertilizer is generally recommended for raspberries?
A) A high-nitrogen fertilizer.
B) A high-phosphorus fertilizer.
C) A high-potassium fertilizer.
D) A balanced fertilizer with nitrogen, phosphorus, and potassium.
  • 25. When is the best time to harvest raspberries?
A) When the fruit is overripe and soft.
B) When the fruit is fully colored and easily separates from the receptacle.
C) It does not matter as long as the fruit is on the plant
D) When the fruit is still slightly green.
  • 26. What is the best way to store freshly harvested raspberries?
A) Leave them at room temperature in a sealed container.
B) Refrigerate immediately in a shallow container.
C) Wash them immediately and then refrigerate.
D) Freeze them without washing.
  • 27. What causes crumbly fruit in raspberries?
A) Poor pollination or virus infection
B) Overwatering
C) Insect damage
D) Nutrient deficiency
  • 28. What does it mean for a raspberry variety to be 'thornless'?
A) The canes have very few or no thorns.
B) The plant requires no pruning.
C) The plant does not produce any fruit.
D) The plant is resistant to all diseases.
  • 29. If a raspberry plant's leaves are yellowing, what might be the cause?
A) Too much sun
B) Nutrient deficiency or virus
C) Normal seasonal change
D) Too much water
  • 30. What is the function of mulching around raspberry plants?
A) Suppress weeds, retain moisture, and regulate soil temperature
B) Increase sunlight exposure
C) Attract pollinators
D) Prevent insect infestations
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