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Plants
Field name Acreage
Growth
Pinhead“X”
%Square retention
1st
position
%Boll retention
1st
position
Node above1st
positionwhite fl ower
Heat unitspast
NAWF=5 Other insects, weed or disease problemsHeight Node
Insect and PlantInsects
Field name DateBT“X”
Thrips per plant
%Cutwormdamage
Aphids(L, M, H)
Spider mites(L,M,H)
Whitefl ies(L,M,H)
Benefi cial insects Boll/Budworms
Plantbugs
Stink bugs Other pests
%
#per 6 row
Ft
No. per 100 plants Squares
# per 6row Ft
100Sweeps
# per 6row Ft
100Sweeps
Armyworms
LoopersEggs
Small worms< ¼˝
Large worms> ¼˝
%Damage
%Live
worms
Beet,Fall,
Yellowstriped
Cotton Scouting FormGrower
Scout
Phone
Phone
Field (Week) Report #
County
F629
INSEC
T TH
RE
SHO
LDS
*BOLL W
EEVIL
Imm
ediately notify Boll W
eevil Eradication offi cials if an infestation is found.*C
ON
VEN
TION
AL C
OTTO
NB
ollworm
/Tobacco Budworm
: When 4+ (after fi rst bloom
) or 8+ (before bloom) sm
all larvae per 100 plants are present or when larvae are
present and square damage is 5 percent or greater. Egg counts aid in tim
ing applications and indicate subsequent occurrence of larvae.*BT C
OTTO
NFoliar treatm
ents should be made w
hen 4+ (after fi rst bloom) or 8+ (before bloom
) surviving larvae per 100 plants are present and /or 2 percent boll dam
age is found. Egg counts aid in timing application and indicate subsequent occurrence of larvae.
*PLAN
T BUG
SFirst 2 w
eeks of squaring: 1 or more per 6 row
feet or 8 per 100 sweeps. Third w
eek of squaring until fi rst bloom: 2 or m
ore per 6 row feet or 15
per 100 sweeps. A
fter 1st bloom
: 4 or more per 6 row
feet or 30 per 100 sweeps. C
ount 1 clouded plant bug as equivalent to 1.5 tarnished plant st bloom
: 4 or more per 6 row
feet or 30 per 100 sweeps. C
ount 1 clouded plant bug as equivalent to 1.5 tarnished plant st
bugs.
If square retention drops below 80 percent prior to bloom
and plant bugs are present, treatment
should be considered even if numbers are sub threshold.
*THR
IPSWhen thrips average 1 or m
ore per plant and damage is observed.
*APH
IDSEarly season: w
hen aphids are present on numerous plants and som
e leaves are curled along the edges. Mid-season: w
hen aphids are very num
erous, honeydew is present, and natural control agents are not affecting aphid populations.
(L, < 10 per leaf; M, 10 – 50 per leaf; H
, >50 per leaf)*SPID
ER M
ITESW
hen 50 percent of the plants are infested. (L, < 10% infested; M
, 10-50% infested; H
, > 50% infested)
*WH
ITEFLIESW
hen 50 percent of the terminals are infested w
ith adults. (L, < 10% infested; M
, 10 – 50% infested; H
, > 50% infested)
*STINK
BUG
SW
hen stink bugs number 1 or m
ore per 6 feet, or when 20%
or more of thum
b-sized bolls are injured.*FA
LL AR
MY
WO
RM
When 4 or m
ore larvae are found per 100 blooms and bolls or w
hen 10 – 20 larvae are found per 100 plants.*BEET A
RM
YW
OR
MPrior to A
ugust 15: when 5 or 6 hits are found per 300 row
feet. After A
ugust 15: when 10 or m
ore hits (egg mass or group of sm
all larvae) are found per 300 row
feet.*LO
OPER
SWhen loopers cause 25 percent defoliation or populations threaten prem
ature defoliation prior to boll maturity.
PLAN
T MA
NAG
EM
EN
T
*GRO
WTH
STAG
EH
eight – Is measured from
the ground of the cotton plant to the upper main-stem
node on which the m
ain-stem leaf is unfurled (term
inal). N
ode – A point of attachm
ent of plant structures (leaves or fruit) to main stem
or branches of a cotton plant.*PIN
HEA
DWhen the 1
st square the size of pencil eraser occurs in the terminal. Low
est main-stem
above the cotyledonary node from w
hich a sympodial
st square the size of pencil eraser occurs in the terminal. Low
est main-stem
above the cotyledonary node from w
hich a sympodial
st
( fruiting) branch develops. Usually occurs at m
ain-stem nodes 4
th to 7th infl uenced by variety, tem
perature, and cultural practice.*SQ
UA
RE A
ND
BOLL R
ETENTIO
NPresence of 1
st position squares or bolls at all fruiting nodes from top to bottom
.st position squares or bolls at all fruiting nodes from
top to bottom.
st
*NO
DES A
BOV
E 1ST PO
SITION
WH
ITE FLOW
ER (N
AWF)
A m
easure of the number of m
ain-stem nodes above the upperm
ost white fl ow
er in the fi rst fruiting position.*H
EAT U
NITS A
FTER N
OD
E ABO
VE W
HITE FLO
WER
= 5 (NAW
F 5)H
eat units are a measure of physiological tim
e and measure the pace of grow
th and development of a cotton plant. To calculate heat units for a
day, average the high and low tem
peratures (high + low)/2] then subtract 60. Total heat units beyond N
AWF 5 is the accum
ulation of heat units after N
ode Above W
hite Flower 5.
Precautionary Statement
In order to protect people and the environment, pesticides should be used safely. This is everyone
s̓ responsibility, especially the user. Read and fol-low
label directions carefully before you buy, mix, apply, store or dispose of a pesticide. A
ccording to laws regulating pesticides, they m
ust be used only as directed by the label. Persons w
ho do not obey the law w
ill be subject to penalties.
Disclaim
er Statement
Pesticides recomm
ended in this publication were registered for the prescribed uses w
hen printed. Pesticides registrations are continuously reviewed.
Should registration of a recomm
ended pesticide be canceled, it would no longer be recom
mended by the U
niversity of Tennessee. U
se of trade or brand names in this publication is for clarity and inform
ation, it does not imply approval of the product to the exclusion of others
which m
ay be of similar, suitable com
position, nor does it guarantee or warrant the standard of the product.
F629-2M
-3/05 (R
ev) E12-4615-00
-008-05 05
-0285-
Programs in agriculture and natural resources, 4-H
youth development, fam
ily and consumer sciences, and resource developm
ent.U
niversity of Tennessee Institute of Agriculture, U
.S. Departm
ent of Agriculture and county governm
ents cooperating.U
T Extension provides equal opportunities in programs and em
ployment.