Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of_________________?
Correct answer: C. 1:4
- A. 1:2
- B. 1:3
- C. 1:4
- D. 1:5
Explanation
For breeder-seed multiplication involving A and B lines, the commonly prescribed planting ratio is 1:4, with the male or maintainer rows supplying pollen to the female rows. The one-kilometre isolation prevents pollen contamination from other fields.
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