GPB-507 Heterosis Breeding Question Paper

 

UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
Department of Genetics and Plant Breeding
College of Agriculture, Raichur
Qualifying Examination
2018-19

Course No. GPB-507
Total Marks: 6.25

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Q1. Write True or False and Explain why for the following (any 2)
(2.00 marks)

1. Conventional varieties require lower seed rate than hybrids. False

2. Standard heterosis is least important practically. False

3. The one-line method of F1 hybrid production represents true breeding. False

Q2. Write short note on the following
(3.00 marks)

1. Maintenance of A, B and R lines (1.00 mark)

2. Methods for the development of inbred lines (0.50 mark)

3. Line x Tester analysis (1.00 mark)

Q3. In EGMS system how do you produce the seed of female line? Explain.
(1.25 marks)