Photoperiodism Flashcards
1
Q
What time of the year do long-day plants flower?
A
They flower when the day is long (Summer period)
2
Q
What time of the year do short-day plants flower?
A
They flower when the day is short (winter period)
3
Q
What time of the year do neutral plants flower?
A
They are not affected by day and can flower any period of the year.
4
Q
What is the name of the pigment in plant photoperiodism?
A
The pigment in plant photoperiodism in called phytochrome.
5
Q
What is the role of the pigment in plant photoperiodism?
A
The pigment produces two forms, p-red and p far-red. The levels of these two forms tell the plant when to flower.
