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Agriculture · Q959

Genetics And Plant Breeding

Graduate and Post Graduate · Agriculture · question 959

Q959

Top cross-method was first suggested for evaluation of inbreads by

A.
Richey (1927)
B.
Davis (1927)
Answer
C.
Singleton and Nelson (1945)
D.
Jenkins (1935)

Answer: Option B

Solution

Answer: Option B
Solution:
The top cross-method was first suggested for the evaluation of inbreds by Davis (1927).
Davis suggested the top crosses methodology, which consists of combining a large number of inbred lines.
In the top cross, crosses are made between inbreds and either a tester or an open-pollinated variety. This is also known as an inbred-variety cross.