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How to Identify and Classify Dewberries - Quiz
Contributed by: Woolley
  • 1. What is the typical growth habit of a dewberry plant?
A) Erect shrub
B) Trailing or prostrate
C) Tall tree
D) Climbing vine
  • 2. Dewberries typically produce fruit:
A) Year-round
B) On second-year canes
C) On current-year canes
D) Only in shaded areas
  • 3. Dewberry thorns are usually:
A) Small and sparse
B) Large and abundant
C) Absent
D) Hooked and sharp
  • 4. What is the typical color of ripe dewberries?
A) Green
B) Bright red
C) Yellow
D) Dark purple to black
  • 5. Compared to blackberries, dewberries generally ripen:
A) Not at all
B) At the same time
C) Earlier in the season
D) Later in the season
  • 6. Dewberry stems are commonly called:
A) Canes
B) Trunks
C) Branches
D) Vines
  • 7. The fruit of a dewberry is technically a:
A) Berry
B) Aggregate fruit
C) Pome
D) Drupe
  • 8. What is a key difference between dewberries and blackberries in terms of fruit removal?
A) Dewberries keep the torus attached to the fruit when picked.
B) Both keep the torus attached.
C) Blackberries keep the torus attached.
D) Neither keep the torus attached.
  • 9. Which habitat is most likely to support dewberries?
A) Fields and thickets
B) Dense forests
C) Alpine meadows
D) Deserts
  • 10. Dewberries are in the same plant family as:
A) Roses
B) Lilies
C) Sunflowers
D) Grasses
  • 11. What is the genus name for dewberries?
A) Rubus
B) Solanum
C) Fragaria
D) Vaccinium
  • 12. How many leaflets typically comprise a dewberry leaf?
A) More than 10
B) 3-5
C) 7-9
D) 1
  • 13. Are dewberries considered native to North America?
A) Only one species is native.
B) It's uncertain.
C) Yes, many species are native.
D) No, they are all introduced.
  • 14. What is the best time of year to prune dewberries?
A) Early spring
B) Mid-summer
C) Late fall
D) After fruiting
  • 15. What is a distinguishing feature of dewberry flowers?
A) Yellow petals
B) Blue petals
C) White petals
D) Red petals
  • 16. Which soil type is most suitable for dewberries?
A) Sandy soil
B) Waterlogged soil
C) Well-drained soil
D) Clay soil
  • 17. What is a common use for dewberries besides eating fresh?
A) Dyeing fabrics
B) Making jams and jellies
C) Fuel
D) Building materials
  • 18. How does dewberry fruit appear differently on the plant than blackberries?
A) They have a fuzzy exterior
B) They are much larger.
C) They appear in clusters
D) They appear dew-kissed, or covered with a whitish bloom
  • 19. What is a recommended method to propagate dewberries?
A) Grafting
B) Budding
C) Air layering
D) Tip layering
  • 20. What is the primary difference in growth habit between northern and southern dewberry species?
A) There is no specific difference
B) Northern species grow as erect shrubs.
C) Northern species are less thorny.
D) Southern species grow exclusively in water.
  • 21. Which of the following is a potential pest of dewberries?
A) Bees
B) Spider mites
C) Ladybugs
D) Earthworms
  • 22. What is a benefit of growing dewberries?
A) Preventing soil erosion
B) Creating shade
C) Repelling insects
D) Attracting pollinators
  • 23. Dewberries are rich in which vitamin?
A) Vitamin C
B) Vitamin B12
C) Vitamin A
D) Vitamin D
  • 24. What is meant by 'biennial' when describing dewberry cane growth?
A) Canes live for two years.
B) Canes live indefinitely.
C) Canes live for several years.
D) Canes live for one year.
  • 25. What is a common method of supporting dewberry plants in cultivation?
A) Watering
B) Fertilizing
C) Mulching
D) Trellising
  • 26. Which of these is NOT a characteristic to consider when identifying dewberries?
A) Bark texture of mature trees nearby
B) Shape and serration of leaves
C) The presence of a torus on the picked fruit.
D) Color and presence of thorns on canes
  • 27. What does the term 'self-fruitful' mean regarding dewberries?
A) They require a different variety for pollination.
B) They are resistant to diseases.
C) They can be pollinated by their own pollen.
D) They do not require pollination.
  • 28. What is the significance of chilling hours for dewberries?
A) They need a certain period of cold to fruit properly.
B) Chilling hours determine leaf color.
C) They require a certain period of heat to fruit properly.
D) They are not affected by chilling hours.
  • 29. Which of these fruits is most closely related to the dewberry?
A) Raspberry
B) Strawberry
C) Blueberry
D) Blackberry
  • 30. What is a simple way to differentiate between dewberries and young blackberry canes?
A) Dewberry canes have larger leaves
B) Dewberry canes tend to trail along the ground, while young blackberry canes are more upright
C) Blackberry canes always grow in pairs
D) Blackberry canes have thorns that are a different color
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