| General Terms |
|
abaxial
|
organ surface that's
under/outer (ventral) |
|
adaxial |
organ survace that's upper/inner
(dorsal) |
|
arrest |
meristem makes some lateral
structure and then quits |
|
blade
|
distal leaf |
|
col |
coleoptile |
|
dom
|
possible dominant mutant |
|
ectopic |
in the wrong place, e.g. "ectopic
ligule" |
|
het mut |
new mutant that looks heterochronic,
can be "fast", "slow", developmentally slow |
|
ibid
|
likely this mutant per-existed in
all or sector of male parent resulting in multiple appearance |
|
int
|
internode, the stem (culm) between
leaves |
|
lethal
|
used alone only when seedling died
before they could be examined at 3 leaf stage |
|
l
|
leaf, l2 = leaf 2 |
|
lig |
ligule |
|
nec
|
programmed cell death |
|
penetrance
|
suspected penetrance or atypical
expressivity problems |
|
poor germ |
10 or fewer seedlings. poor
germ= segregating no germination |
|
seg (x)
|
segregating x number of plants.
Used to denote a family with a recessive mutant |
|
unstable
|
mutant phenotype shows revertant
patches, mutable, usually indicated Mu activity |
| Specific Terms |
|
ad |
adherant, fusion of leaves
preventing unfurling |
|
ageotropic |
used liberally for all seedling
phenotypes that don't grow perfecting in regard to gravity/light |
|
alb
|
albescent. white going green
developmentally, so seedling are green on lower, white upper |
|
aur
|
auricleless or reduced auricle |
|
bladekiller
|
narrow leaf that gets narrower going
up. |
|
bleached
|
green to yellow/white over time |
|
br |
brachytic, leaves pointed and angled
upward with short internodes, a runt |
|
crossband
|
repeating transverse regions of
color/less/necrosis = zebra |
|
cg |
corngrass, grassy multiple shoots |
|
col
|
coleoptile. projections over veins
of = horny, not a tube= split, split from inception=unfused |
|
cr |
crinkly leaf, disorganized cell
patterns in leaf |
|
dg |
dark green, indicative of less cell
expansion |
|
dw |
dwarf, dark green broad leafed,
short seedling, suspect GA |
|
eat |
early adult transition, first leaf
more like 2nd, etc, used with terms "fast, slow" |
|
ej
|
extended juvinility. Second
leaf more like first, etc. |
|
fan |
fan- shaped coleoptile |
|
fast
|
developmentally fast, shorted
plastochron - too many segments or leaves). |
|
fs |
fine strip, many small yellow or
white stripes of clonal type |
|
gl |
glossy leaf, possible changes in
surface leaf waxes |
|
grey |
tone of green probably indication
something abnormal with waxes or turgor |
|
gs |
green stripe, green around lateral
veins |
|
hair - leaf |
very narrow leaves = thread leaf =
tendril |
|
kn |
knotted, protuberance of excess
organ, usually symmetrical over vein |
|
knox |
proximalization along p-d leaf axis,
ligular displacement, organ overgrown as knots |
|
les |
lesion mimic |
|
lethal (gr)
|
= green lethal = hcf.
Unexpected death as a seedling |
|
lxm |
lax midrib, midrib extended and
broad, blades droop |
|
lg |
no or reduced midrib. Hard to
see in baby corn |
|
oil yellow |
shiny yellow with a touch of green |
|
opposite |
leaves initiate opposite to one
another in the same "whorl" |
|
nl
|
narrow leaf; a very large and
valuable mutant category |
|
phyllo |
altered phyllotaxy |
|
pg |
pale green, also see yellow green |
|
ragged |
leaf torn or shredded as a result of
necrosis |
|
shoot (split) |
more than one seedling within a col,
or shoot splits into two or more shoots |
|
short int |
short internode, seedlings appear as
tufts of grass |
|
sm
|
small |
|
str |
striate |
|
spider |
spider plant, usually narrow leaf,
sheaths pulled out from culm and phylotaxis twisted |
|
tillers |
premature secondary shoots |
|
tiny |
very small but in proportion |
|
thin |
seedling distinctly with a thinner
culm |
|
twisted |
|
|
tub |
one or more fused leaves fused at
margin, like an onion leaf |
|
twin |
two individuals per kernel.
can be variable, ie, split shoots on one root, etc |
|
rld |
rolled, leaf turns up and sometimes
epidermal sruvaces switch |
|
runt |
small developmentally disturbed,
infertile |
|
slow |
developmentally slow, too few
segments/leaves |
|
spindly |
thin culm = thin stem |
|
stripes |
peripheral stripes on leaves, like
iojap |
|
tie-dyed |
blotched repetitive nonclonal
pattern, less regular than crossbanded |
|
vir |
virescent, yellow (new tissue) going
green (older tissue) |
|
wh |
white, often modified with words
like "ivory" if yellow tint detected |
|
wilted |
water stress or perhaps early death |
|
wh tip |
white tip, white tips or caps on
leaves |
|
X-mas tree |
leaves project out from culm at near
90 degree angle, contrast to brachytic |
|
yel |
yellow = luteus |
|
yg |
yellow green= pale green = light
green |