Improved seed includes:
A.Nucleus seed
B.Breeder seed
C.Foundation seed
D.All of the above
A.Nucleus seed
B.Breeder seed
C.Foundation seed
D.All of the above
A.1964
B.1946
C.1963
D.1972
A.Nucleus seed
B.Breeder seed
C.Foundation seed
D.Certified seed
A.Embryo
B.Integuments
C.Mega-gametophyte
D.Endosperm
A.20 metres
B.30 metres
C.50 metres
D.75 metres
A.Testa
B.Embryo
C.Endosperm
D.Nucellus
A.Thailand
B.USA
C.Denmark
D.Switzerland
A.1918
B.1987
C.1959
D.1912
A.Endosperm
B.Mega-gametophyte
C.Embryo
D.Integuments
A.Private hybrids
B.Institutional hybrids
C.Public hybrids
D.Government hybrids