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