Agriculture Reference
In-Depth Information
Section I
Making of a Wheat Plant
Spring wheat
Winter wheat
Vernalization
Long days
Short days
Vrn-3
vrn-3
(
FT
)
vrn-2
TaVRT2
Vrn-2
vrn-1
(
AP1
)
Vrn-1
CArG
Undifferentiated apex
Flowering
Transition
Short days
Low temperature
Long days (PPD-1)
Favorable temperature
“History . . . celebrates the battlefi elds whereon we meet our death, but scorns to speak of the plowed
fi elds whereby we thrive; it knows the names of the king's bastards, but cannot tell us the origin of
wheat. That is the way of human folly.”
Jean-Henri Fabre, 1823-1915
