Page 50 - BCI Bonsai & Stone Appreciation Q1 2025
P. 50
WATERLOGGING STRESS
Ledgend
Increases
Inhibits
ET
See Table 1 for
Abbreviations
ADHs
PCD
LDHs
EIL1A
SK1/2
MT
ABA
Acetic Fermentatiom
Process
AUXIN ACS1/2
Sub1A
BR
ET
SLR1
SD1 JA
SLRL1 SA
GA2ox7 PAS
RBOH Excessive
ROS
GA
Hormone
ROS
Process
ATP
Shoot Elongation ARs/Aerenchyma Photosynthesis Aerobic Respiration
P L A N T W A T E R L O G G I N G S T R E S S R E S P O N S E S
Drought Stress Effects and Responses
TRANSPIRATION
Effects of Drought Stress
Increases ROS
Decreases
physiological,
biochemical traits
Decreases CO2
intake
Oxidative damage
into chloroplast
ATP synthesis
obstructed
Increases
photorespiration
Reduction
in photosyn-
thesis, other
traits, and
economic
yield
Drought Stress Responses
Stomatal closure,
cuticle thickness
Enhances
phytohormones
Increases root
length and density
Increases SOD,
CAT, AXP,
and GR
Enhances
photosyn- thesis,
Cell accumulate
sugars, AA,
drought tolerance,
inorganic ions,
and
and alkaloids
economic
for osmatic
yield
adjustment
48 | BCI | January/February/March 2025
