A.Plus trees: Trees of good genetic and phenotic constitution
B.Seed stands: Small patches of trees in the forest which are better in characters
C.It is best to collect seed from trees in such groups
D.All of the above
A.Plus trees: Trees of good genetic and phenotic constitution
B.Seed stands: Small patches of trees in the forest which are better in characters
C.It is best to collect seed from trees in such groups
D.All of the above