Answer to Question 1Students should discuss at least four of the following advantages of growing plants in
containers:
Plants may be sold and transplanted year-round.
More plants can be grown in the same area, thus reducing cost
Plants have more uniform plant growth.
Plants require no digging or balling
Plants grown in sterile medium experience fewer pests and diseases
The cost to produce a plant to marketable size is lower
Students should discuss at least four of the following disadvantages of growing plants in
containers:
The initial cost of getting established is higher
Personnel must be trained in potting technique, and watering becomes a more
precise growth factor in container growing
More water is required because the plants cannot tap soil reserves
If plants are overwintered, some protection must be provided where temperatures
fall much below freezing
Transplanting to the landscape is more difficult for some plants
If left in containers too long, plants develop a circular, pot-bound root system
Answer to Question 2The most common diseases and pests that affect indoor plants are the following:
Aphids, controlled with Orthene, Safer soap, or spray oil
Whiteflies, controlled with Orthene
Mealybugs, controlled with Orthene
Mites, controlled with Orthene, Safer soap, or spray oil
Scale, controlled by maintaining a clean environment, rubbing with a soap solution
or spraying with Orthene or spray oil
Carnivorous plants
On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
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