Shared Flashcard Set

Details

Control of Flowering
N/A
19
Biology
Undergraduate 2
02/22/2014

Additional Biology Flashcards

 


 

Cards

Term
Perennial
Definition
Plants that live year after year
Term
Annuals
Definition

Plants that die after complete flowering and seed production

One year

Puts all energy into next generation

Term
Biennieals
Definition

Two-year life cycle

Puts all energy into next generation

Necessitates chilling period

Term
shoot apical meristem
Definition
When a plant is ready to flower, _____ makes flowers instead of leaves
Term

Sepals -> Petals -> Stamens -> Carpels

 

Definition
Sequence of production of reproductive organs
Term
Phase change
Definition

Internal cue

Maturation

Advantages: Flowering is expensive, so need to build up resources

Term
Photoperidoism
Definition

External cue to induce flowering

Length of day

 

Term
Vernalization
Definition

External cue to induce flowering

Chilling

Term
Short-day plants
Definition
Flower when days are short
Term
Long-day plants
Definition
Flower when days are long
Term
Day-neutral plants
Definition
Daylength does not affect flowering time
Term
Critical daylength
Definition
Length of day necessary for flowering
Term
Length of ____, not ____, determines whether flowering occurs or not
Definition
Term
Florigen
Definition

Factor made in leaves

Moves through phloem

Causes SAMs to switch to reproductive growth

 

Term
Flowering Time (FT)
Definition
____ turns on flowering program
Term
Constans (CO)
Definition
FT is regulated by _____
Term
CO turns ____ FT in long-day plants in long days
Definition
on
Term
CO turns ____ FT in short-day plants in long days
Definition
off
Term
Vernalization
Definition
Chilling period that inhibits flowering
Supporting users have an ad free experience!