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Acs 405: Plant Breeding Ii: Plant Breeding Methods And Applications Question Paper

Acs 405: Plant Breeding Ii: Plant Breeding Methods And Applications

Course:Bachelor Of Science In Agriculture

Institution: South Eastern Kenya University question papers

Exam Year:2015

SOUTH EASTERN KENYA UNIVERSITY

UNIVERSITY EXAMINATIONS 2014/2015

THIRD YEAR THIRD SEMESTER EXAMINATIONS FOR THE DEGREE OF
BACHELOR OF SCIENCE IN AGRICULTURE

ACS 405: PLANT BREEDING II: PLANT BREEDING METHODS AND
APPLICATIONS
DATE: 21ST APRIL, 2015 TIME: 10.30-12.30PM
INSTRUCTIONS TO CANDIDATES
a) Answer ALL questions in section A
b) Answer any TWO questions in section B

SECTION A: Answer ALL questions (30 marks)

1. Write short notes the “boom and bust cycles” (5 marks)
2. Briefly describe the five general strategies that may be used to make vertical resistance
a success (10 marks)
3. Explain the strategy of cross-protection in viral-resistance engineering (5 marks)
4. Briefly discuss the criteria for the development and use of screening tests according to
A. Acevedo and E. Fereres (1993) (10 marks)

SECTION B: Answer any TWO questions (40 marks)
5. Describe the mechanisms used by plants to avoid the effects of drought. (20 marks)
6. Discuss G × E interactions in plant breeding (20 marks)
7. Write an essay on emasculation (20 marks)

Acs 405: Plant Breeding Ii: Plant Breeding Methods And Applications Question Paper

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