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Hort 362: Ornamental Horticulture Question Paper

Hort 362: Ornamental Horticulture

Course:Bachelor Of Science In Horticulture

Institution: Egerton University question papers

Exam Year:2002

INSTRUCTIONS:Answer all questions. Total marks 70.
1. Comment on the following:
a. Root zone heating (3 marks)
b. Boom watering versus hand water (3 marks)
c. Post harvest storage and handling requirements in Easter Lilium (lilium longiflorum) (3 marks)
d. Propagation in Kalanchoes. (3 marks)

2. Write short notes on the following;
a. Characteristics of plants for rock gardens (3 marks)
b. The properties of media for potted plants. (3 marks)
c. Essential requirements for hanging baskets (3 marks)

3. a) Define the term acclimatization, and discuss how it affects production and use of foliage plants. (10 marks)
b) What are the reasons for recent increase in the popularity of herbaceous ornamental? (5 marks)
c) Outline the products types of herbaceous plants that are commonly sold by nursery producers (4 marks)

4. a) Name THREE major factors that have greatly influenced crop production in greenhouses (3 marks)
b) Discuss how the factors in (a) have been successfully manipulated to achieve tremendous growth in green house production of ornamentals in Kenya (6marks)
c) Describe FOUR advantages and TWO limitations of using plug tray system to produce horticultural plants. (6 marks)

5 Describe plant responses to three environmental factors that would greatly influence the quality and time of flowering in:
a. Potted peisettia (8 marks)
b. Potted chrysanthemum. (7 marks)

Hort 362: Ornamental Horticulture Question Paper

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