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