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How to Identify and Classify Crabapples - Test
Contributed by: Woolley
  • 1. What is the primary characteristic that defines a crabapple?
A) Specific leaf shape
B) Edible fruit regardless of size
C) Thorn-like branches
D) Fruit diameter of 2 inches or less
  • 2. Which fruit feature is MOST important for identifying crabapple cultivars?
A) Branch angle
B) Bark texture
C) Leaf shape
D) Color and size
  • 3. A 'persistent' fruit on a crabapple refers to what?
A) Fruit that is very hard
B) Fruit that is resistant to pests
C) Fruit remaining on the tree through winter
D) Fruit ripening early in the season
  • 4. What leaf characteristic can help differentiate crabapple varieties?
A) Leaf thickness
B) Leaf size
C) Presence or absence of pubescence (hairs)
D) Leaf weight
  • 5. Which disease is commonly found on crabapple trees?
A) Powdery mildew on oaks
B) Rose black spot
C) Apple scab
D) Dutch elm disease
  • 6. Why is disease resistance important when selecting crabapple cultivars?
A) To improve the taste of the fruit
B) To increase fruit production
C) To minimize the need for chemical treatments
D) To make the tree grow faster
  • 7. What type of flower arrangement is most common in crabapples?
A) Tripled
B) Double
C) Quadruple
D) Single
  • 8. What flower color is commonly seen in crabapple blossoms?
A) Orange
B) Blue
C) Purple
D) Pink
  • 9. What fruit characteristic affects the aesthetic appeal in winter?
A) Fruit size
B) Fruit texture
C) Fruit color
D) Fruit firmness
  • 10. Which form is NOT typically observed in crabapple trees?
A) Weeping
B) Vase-shaped
C) Rounded
D) Columnar
  • 11. What is a significant consideration when using crabapples for wildlife?
A) Leaf color
B) Flower fragrance
C) Branch density
D) Fruit persistence
  • 12. What is the significance of the calyx end of the fruit?
A) It has no significance
B) It helps in identifying specific cultivars
C) It determines the fruit's sweetness
D) It indicates the level of disease resistance
  • 13. Which factor affects the flavor of crabapples?
A) Leaf shape
B) Tree size
C) Cultivar
D) Bark thickness
  • 14. What does the term 'scab resistant' mean for a crabapple tree?
A) The fruit will be larger than normal.
B) The tree requires no pruning.
C) The tree is immune to all diseases.
D) The tree is less likely to be affected by apple scab disease.
  • 15. What time of year is best to evaluate fruit color for identification?
A) Winter
B) Summer
C) Spring
D) Fall
  • 16. Which environmental factor can affect fruit set in crabapples?
A) Soil pH
B) Fertilizer type
C) Pollination
D) Pruning method
  • 17. Why are crabapples often grafted?
A) To make the fruit larger
B) To change the flower color
C) To propagate desirable traits
D) To make the tree more cold hardy
  • 18. What is a key difference between crabapples and standard apple trees?
A) Leaf shape
B) Bark texture
C) Fruit size
D) Root structure
  • 19. Which of the following is NOT a use for crabapples?
A) Wildlife food source
B) Jelly making
C) Ornamental planting
D) Lumber production
  • 20. What part of the crabapple flower develops into the fruit?
A) Sepal
B) Petal
C) Stamen
D) Ovary
  • 21. How does sun exposure impact crabapple fruit color?
A) It makes the fruit sweeter
B) More sun lightens the color
C) More sun intensifies the color
D) Sun exposure has no effect on color
  • 22. What tool is best for accurately measuring crabapple fruit diameter?
A) Caliper
B) Ruler
C) Eyeballing
D) Tape measure
  • 23. What characteristic of the bark is LEAST helpful for identification?
A) Presence of lenticels
B) Color when the tree is young
C) Peeling pattern
D) Furrow depth
  • 24. What is the term for the opening on the fruit where the stem was attached?
A) Fruit apex
B) Stem end
C) Core
D) Calyx end
  • 25. Why is knowing the parentage of a crabapple cultivar useful?
A) It determines its price.
B) It affects its growth rate.
C) It can help predict its characteristics.
D) It guarantees disease resistance.
  • 26. Which factor is LEAST important for crabapple flower identification?
A) Flower color
B) Flower fragrance
C) Petal number
D) Petal thickness
  • 27. What does 'alternate' leaf arrangement mean on a crabapple branch?
A) Leaves are clustered at the end of the branch.
B) Leaves are arranged in pairs opposite each other.
C) Leaves are arranged in whorls.
D) Leaves are arranged singly at different points along the stem.
  • 28. What is the typical pH range that crabapples prefer?
A) 8.5-9.5
B) 7.5-8.5
C) 6.0-7.0
D) 4.0-5.0
  • 29. What is the primary purpose of pruning crabapple trees?
A) To increase fruit size.
B) To change the flower color.
C) To improve air circulation and light penetration.
D) To prevent disease.
  • 30. Which characteristic is most helpful in identifying a crabapple seedling?
A) Fruit size
B) Flower color
C) Bark texture
D) Leaf characteristics
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