Please enable JavaScript.
Coggle requires JavaScript to display documents.
PLANT GROWTH AND RESPONSE (Photoperiodism (LONG-DAY PLANT :star:…
PLANT GROWTH AND RESPONSE
Photoperiodism
LONG-DAY PLANT :star:
9-16hrs
flowering season
spring
early summer
short-day length :star:
< 10-16hrs
flowering time
late summer
fall winter
controls :star:
flowering
dormancy
day-neutral plant :star:
developmental responses of plant
Plant growth
Quality of light
PFR :star:
Long-day
reverses
wavelength
700 nm
Short-day
stimulates
PR :star:
short-day
Inhibits
long-day
stimulates
wavelength
670 - 680 nm
PLANT GROWTH SUBSTANCES
CYTOKININS
ABSCISIC ACID
GIBBERELLINS
ETHENE
AUXINS
STRUCTURE OF SEED
GERMINATION
EPIGEAL
COTYLEDON GROWS OUTWARD
HYPOGEAL
COTYLEDON GROWS UNDERGROUND
PLANT HORMONES
DIVIDED INTO 2 :star:
PROMOTERS
FASTER GROWTH
INHIBITORS
REDUCE GROWTH
CONTROLS: :star:
ROOTS AND SHOOTS GROWTH
SEED GERMINATION
LEAF FALL
DECREASED RESISTANCE
FRUIT FORMATION & RIPENING
FLOWERING TIME
BUD FORMATION
CAUSES PHYSIOLOGICAL RESPONSES :
DORMANCY
Resting State
dry
cool
anaerobics condition
FOOD STORE
CARBOHYDRATES
MALTOSE
GLUCOSE
SUCROSE
SYNTHESIS INTO CELLULOSE
RELEASED ENERGY
PROTEINS
POLYPEPTIDES
AMINO ACID
PROTEIN
ENZYME
MEMBRANE
CONTAINS HYDROLYTIC ENZYMES
GIBBERELLIC ACID
LIPIDS
FATTY ACIDS & GLYCEROL
RELEASE ENERGY
MEMBRANES
PLANTS RESPONSE TO EXTERNAL STIMULI
TAXIS/TACTIC MOVEMENTS
THERMOTAXIS :star:
Towards heat
PHOTOTAXIS :star:
Towards light
CHEMOTAXIS :star:
Towards Chemical
TROPISM
RESPOND TO STIMULUS
GRAVITY GEOTROPISM :star:
STOP CELLS ELONGATIONS
ANCHOR PLANTS
CONTAINS STATOLITHS
DETECT GRAVITY
DAY LENGTH :star:
LIGHT PROTOTROPISM :star:
CELLS ELONGATED
GROWS TOWARDS LIGHT SOURCE
CHANGES IN TEMPERATURE :star:
CONTACT :star:
AUXIN
HORMONE
PRODUCED IN
ROOT
STEM TIPS
NASTIC MOVEMENTS
Thermonastic movement :star:
Temperature
Seismonastic movement :star:
mechanical stimuli
Nyctinastic movement :star:
non-directional response to stimuli
sleep movement
Photonastic movement :star:
fluctuation in intensity of light
