Potential Exam Questions for Crop Production II

Warning: The following questions may be poorly worded and subjective. Exam questions will be worded differently. Exams may also contain questions not listed here.

  1. What defines Good seed
  2. What’s wrong with low germination?
  3. What’s wrong with low purity?
  4. Name the 3 external environmental conditions that have the most affect on Seed Germination.
  5. In general, why are laboratory germination rates usually higher than field germination rates?
  6. How much SOIL moisture is optimal for most seed to germinate? (range)
  7. How much SEED moisture is required for germination? (range)
  8. Name the three most common factors that affect seed quality.
    1. Which of the three causes low germination? Small seedlings? Disease problems?
  9. Outline the steps in the process of germination.
  10. Name one way that dormancy can be overcome?
  11. What 2 environmental conditions promote longevity in seeds?


  12. Name three general types of seed and give a basic description of each.
  13. Describe the physical appearance of the 3 most common sowing implements so that the differences between them are apparent. (bin, furrow openers, row spacing,...)
  14. How are seeding rates and seed spacing controlled with each type?
  15. What kinds of crops are each traditionally used for? Give examples.
  16. What are 2 major advantages of Air (Vacuum) Planters?


  17. Name and describe the 3 general seedbed types.
  18. Where are the seed generally planted on each type.
  19. Why might seeds be planted in the bottom of a furrow type seedbed?
  20. Which 3 "environmental" conditions might affect the date of planting
  21. Which kind of pest cycles might affect the date of planting (give an example)
  22. Name 2 plant factors that might affect planting date?
  23. What kind of spacing would theoretically be ‘perfect’ for optimal production?
  24. What is the consequence of too few plants in the field.
    1. What about too many plants?
  25. Be able to calculate the number of seed needed given a desired seeding rate and the expected % survival rate.
  26. Name 3 environmental/seed conditions which allow for deeper planting of seeds?


  27. What are the 4 categories of pest control methods?
    1. Describe each
    2. Provide one example of each except chemical
  28. List at least 2 problems associated with pesticide use in general
  29. What are the average % yield losses due to insects?
  30. What is the nature of the losses? (Types of losses)
  31. Name two kinds of Direct Damage that insects cause.
  32. Name three ways that insects may be beneficial.


  33. What are the average % yield losses due to diseases?
  34. What is the nature of the losses?
  35. Name and Define two classifications of disease.
  36. List 5 types of infectious disease organisms.
  37. Give 2 examples of a physiological disease
  38. There are 4 principles for managing disease. Name and describe them.
  39. What is a weed?
  40. Describe 5 possible types of losses due to weeds
  41. Why might weeds be beneficial? At least 3 reasons.
  42. Name and describe the 3 possible life-cycles of plants (weeds).
  43. Describe the different reasons why annuals and perennials are Hard to kill.
  44. What are the 3 principles involved in weed control?
  45. How might weeds be introduced into fields?
  46. Name 3 guidelines for the management of annuals
  47. Name 3 of the 4 guidelines for the management of perennials
  48. For perennial weeds, how often does tillage have to be done?
  49. How do tillage and foliar applied contact herbicides compare in terms of perennial weed control?