Mention five factors with examples affecting crop improvement. [5 MARKS]

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Solution

Each point: 1 Mark

1. Higher yield
2. Improved quality-example: high protein quality
3. Biotic and abiotic resistance-example: pathogens, salinity, heat and cold
4. Change in maturity duration- example: short duration
5. Desirable agronomic characters-example: Tall variety in fodder plant, dwarf variety in cereal plants

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