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Bedding Plant Production
Seed Quiz
Name - _______________________
Date - ___________
1. What is sexual propagation and give one example? (3)
Example –
2. What are two methods used for sowing seeds? (4)
Give one advantage of each
a. __________________________
Adv –
b. __________________________
Adv –
3. What are three basic characteristics of seeding media? (3)
a.
b.
c.
4. What is the difference between cotyledons and true leaves? (2)
5. Explain why seeding and seed germination information is so important for individuals
in the greenhouse industry. (5)
6. How do you know when it is time to transplant? (2)
-
True and False (2 pts each)
7. The ideal temperature to germinate seed is 75 degrees.
8. Bottom heating is not recommended for seed germination.
9. Damping off is caused by the Pythium fungus.
10. Handle young seedlings by the stem to guarantee success.
11. The germination chamber quickens the germination process.
12. If you are using moist media, watering seeds after sowing is not necessary.
13. Perlite is used to cover seeds so they do not dry out.
_____
_____
_____
_____
_____
_____
_____
14. Place the following in order (Germination Process) (3)
______ Imbibe water, enzyme synthesis, cell elongation
______ Cell division at the two ends of embryo axis
______ Digestion and Translocation of stored sugars
Plug Trays
vs
Row Trays (2 pts each)
15. Cheeper to use
_____
_____
16. Space saver
_____
_____
17. Decreases seedling diseases
_____
_____
18. Makes transplanting easier
_____
_____
19. Decreases root stress
_____
_____
20. When seeds/seed trays are over watered (2 pts each))
It causes a situation in the tray where there is a deficiency of __________.
It creates an environment that makes the seedlings susceptible to _____________.
21. Why is it that seeds harvested from a red flower can develop into plants that have
pink, white, or stripped flowers? (5)
22. Explain why genetic variations are important? (4)
23. Explain why seeds have a primary dormancy. (2)
24. In what conditions should seed be stored prior to planting? (3)
a)
b)
c)
25. What does it mean to harden off plants? (2)
26. What are three types of seed modifications that are performed by the seed companies?
(3)
a)
b)
c)
27. What is Dampening Off caused by? (4)
a)
b)
c)
d)
28. During what time of the day should seedlings be watered and why? (4)
When
Why
29. Define Scarification. (2)
Give 2 methods of scarification (4)
30. Define stratification. (2)
Explain one technique of stratifying seeds. (4)
31. How does the method of leaching overcome primary dormancy? (2)
Questions that require you to use your brain (10 pts each)
32. How would the germination rate be determined if your testing sample was limited to
50 seeds?
33. Why do some retail/home gardener seed packets show a picture of the plant in the
seedling stage?
34. If you were starting a greenhouse business, what method of seeding would you use?
Explain why.
35. Explain why do plants with a short life cycle have a more intensive breeding
program?