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How to Identify and Classify Asparagus
Contributed by: Crossley
  • 1. What part of the asparagus plant is typically eaten?
A) The leaves
B) The flowers
C) The young shoots
D) The roots
  • 2. What is the most common color of asparagus spears?
A) Purple
B) Green
C) Yellow
D) White
  • 3. White asparagus is grown by:
A) Genetically modifying the plant
B) Growing it indoors
C) Mounding soil over the shoots
D) Exposing the shoots to sunlight
  • 4. Which of these is NOT a common way to classify asparagus?
A) By root depth
B) By color
C) By size (diameter)
D) By tenderness
  • 5. What does the term 'pencil asparagus' refer to?
A) Asparagus grown in a specific region
B) Asparagus used for writing
C) Asparagus that has not been harvested yet
D) Thin asparagus spears
  • 6. The 'ferns' of the asparagus plant are:
A) The mature, leafy growth
B) The underground roots
C) The small flowers
D) The young, edible shoots
  • 7. Why are asparagus beds typically not harvested in the first year?
A) To allow the plants to establish strong roots
B) To prevent the spears from becoming too bitter
C) To encourage flower production
D) They are only harvested once the plants are 2 years old.
  • 8. What indicates that asparagus is past its prime?
A) The spear is bright green
B) The spear is slightly purple
C) The tip of the spear starts to open
D) The spear is very thick
  • 9. How should freshly harvested asparagus be stored?
A) At room temperature
B) In a dry container, refrigerated
C) Upright in water, refrigerated
D) Wrapped tightly in plastic, refrigerated
  • 10. What is the scientific name for common asparagus?
A) Brassica oleracea
B) Solanum lycopersicum
C) Asparagus officinalis
D) Malus domestica
  • 11. What soil pH is best for growing asparagus?
A) 6.5 - 7.5
B) 8.0 - 9.0
C) 5.0 - 6.0
D) 4.0 - 5.0
  • 12. Which nutrient is most important for asparagus growth?
A) Nitrogen
B) Phosphorus
C) Potassium
D) Calcium
  • 13. What type of plant is asparagus?
A) Perennial
B) Biennial
C) Triennial
D) Annual
  • 14. What can cause asparagus spears to be bitter?
A) Too much sunlight
B) Too much fertilizer
C) Overmaturity
D) Lack of water
  • 15. Which of these pests commonly affects asparagus?
A) Aphids
B) Asparagus beetle
C) Spider mites
D) Whiteflies
  • 16. How deep should asparagus crowns be planted?
A) 1-2 inches
B) 10-12 inches
C) 2-4 inches
D) 6-8 inches
  • 17. What is the purpose of 'hilling' asparagus?
A) To produce white asparagus
B) To increase yields
C) To protect from frost
D) To improve drainage
  • 18. What is the average lifespan of an asparagus plant?
A) 30-40 years
B) 5-10 years
C) 1-3 years
D) 15-25 years
  • 19. What type of climate is best suited for asparagus?
A) Tropical
B) Temperate
C) Arctic
D) Arid
  • 20. What is the primary method of asparagus propagation?
A) Seeds
B) Cuttings
C) Crowns
D) Layering
  • 21. When is the best time to harvest asparagus?
A) Spring
B) Summer
C) Autumn
D) Winter
  • 22. What benefit does asparagus provide nutritionally?
A) High in sugar
B) High in folate
C) Low in fiber
D) High in saturated fat
  • 23. Which disease is a common concern in asparagus cultivation?
A) Late blight
B) Fusarium crown and root rot
C) Powdery mildew
D) Black spot
  • 24. What does 'diameter grading' of asparagus refer to?
A) Measuring root length
B) Sorting by spear thickness
C) Classifying by color
D) Analyzing nutrient content
  • 25. How does harvesting asparagus encourage future growth?
A) By strengthening the roots
B) By increasing flower production
C) By stimulating more spear production
D) It doesn't; harvesting weakens the plant
  • 26. Why is it important to allow some asparagus spears to fern out?
A) To produce seeds
B) To replenish plant energy reserves
C) To prevent weed growth
D) To attract pollinators
  • 27. What is the typical spacing between asparagus plants when planting crowns?
A) 3-5 feet
B) 24-36 inches
C) 12-18 inches
D) 4-6 inches
  • 28. What is a common method to suppress weeds in asparagus beds?
A) Flooding
B) Burning
C) Mulching
D) Salting the soil
  • 29. What indicates that an asparagus spear is ready for harvest?
A) Spear is very thin and flimsy
B) Spear is completely underground
C) Spear is 6-8 inches tall and tight
D) Spear has already started to fern out
  • 30. What is the proper tool for harvesting asparagus?
A) Shovel
B) Asparagus knife or sharp knife
C) Rake
D) Trowel
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