Photoperiodism Flashcards Preview

NZQA Plant and animal behaviour > Photoperiodism > Flashcards

Flashcards in Photoperiodism Deck (5)
Loading flashcards...
1

What time of the year do long-day plants flower?

They flower when the day is long (Summer period)

2

What time of the year do short-day plants flower?

They flower when the day is short (winter period)

3

What time of the year do neutral plants flower?

They are not affected by day and can flower any period of the year.

4

What is the name of the pigment in plant photoperiodism?

The pigment in plant photoperiodism in called phytochrome.

5

What is the role of the pigment in plant photoperiodism?

The pigment produces two forms, p-red and p far-red. The levels of these two forms tell the plant when to flower.