Iha Education April 2010 Webinar - Ohp
This quiz was created to review the April 15th webinar presented by OHP.
- 1.Plant Growth Regulators can effect plant growth by which of the following?
- A.
Reducing apical dominance
- B.
InhibitingGa3 production
- C.
Stimulate rooting
- D.
Aborting flowers
- E.
All of the above
- 2.Which symptom is NOT typical of PGR use on plants?
- A.
Darker green leaves
- B.
Reduced stretch or leggy growth
- C.
Fewer roots
- D.
Potential for more flowers or a delay in flowering
- E.
All of the above
- 3.Environmental conditions play a huge roll in PGR uptake i.e. cold temperature periods would require lower PGR levels.
- A.
True
- B.
False
- 4.Augeo PGR from OHP is used for the following reason.
- A.
To reduce apical dominance
- B.
To increase lateral breaks
- C.
To decrease plant size
- D.
A & B
- E.
None of the above
- 5.Augeo should be used early in the crop production schedule.
- A.
True
- B.
False
- 6.Augeo works like a
- A.
Cytokinin
- B.
Auxin
- C.
Gibberellin
- D.
Chemical Pinch
- 7.Which PGR class(s) have typically been used for branching effects on plants?
- A.
Auxins
- B.
Gibberellins
- C.
Cytokinins
- D.
Ethylene
- E.
C & D
- 8.A good starting rate in PPM with Augeo on herbaceous plants is.
- A.
6400 PPM
- B.
3200 PPM
- C.
1600 PPM
- D.
800 PPM
- E.
None of the above
- 9.The reason(s) PGR's should be used early in the production cycle is.
- A.
The early application allows time for the plants to grow out of the stress effect PGR's can have on a plant
- B.
Chlorosis and necrosis can be typical phytotoxic side effects, thus plants need time to recover
- C.
Applications near finish risk bloom development
- D.
All of the above
- 10.Augeo has not yet shown good branching effects on
- A.
Lantana
- B.
Fuchsia
- C.
Petunia
- D.
Poinsettia
- E.
All of the above
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