Hort 221: Plant Propagation Question Paper
Hort 221: Plant Propagation
Course:Bachelor Of Science In Horticulture
Institution: Egerton University question papers
Exam Year:2013
1. Define the following terms with respect to plant propagation: (10 Marks)
a. Ortet
b. Clone
c. Apomixes
d. Artificial seed
e. Callus
2. Discuss the cahllenges and opportunities in using vegetative plant parts in the propagation of horticultural
crops. (12 Marks)
3. What is dormacy with respect to plant propagation? Describe four systems for seed dormacy. (10 Marks)
4. Discuss four possible mechanisms involved in the rootstock-scion interaction to give desirable or udesirable
products in the scion. (8 Marks)
5.(a) What are the principle uses of layering? (2 Marks)
(b) Describe the procedures involved in air and simple layering. (10 Marks)
6.(a) Briefly describe the steps involved in plant tissue culture and micro-propagation of plants. (8 Marks)
(b) Describe the opportunities in plant tissue culture and micro-propagation. (10 Marks)
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