Hort 260 Lab Quiz #3

3. ___is a hard-to-classify true bulb because the inner scales can also be referred to as bulbs.
6. For efficiency in tissue culture, producers used ___ node cuttings.
7. ____: The dry outer scales that protect the inner fleshy scales from damage.
8. Bulb scales are modified ___ and act as storage tissue for carbohydrates, nutrients, and water.
9. ___ plate: True bulbs and corms have this part in common.
11. True bulbs without tunics are called _____.
15. Potatoes are left to dry and ___ before they are put in the substrate.
16. The type of graft we performed on the coleus in the grafting lab.
17. Tissue culture cuttings are placed in ___-filled agar to initiate shoots.
18. In ___: the glass setting in which tissue culture is done.
19. There are ___ stages of recovery in grafting healing responses.

1. ___ are not used for all commercial bulb propagation because they can develop too slowly.
2. This technique should be used on imbricate scales to avoid rot and better bulblet production.
4. A ___ plate is formed by cells cut by grafting in the first 24 hours.
5. A ___ bridge is necessary for nutrient and water transport in grafting.
10. Desiccation of ___ tissue is prevented by maintaining higher humidity levels.
12. Scion and stock will have higher ____ the closer taxonomically they are.
13. Eyes of the potatoes are auxiliary ___.
14. Tissue culture cuttings were in ___% bleach for 20 minutes in the disinfestation procedure.
17. It is important to line up the ___ when performing grafts.