fungus gnat control in greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/fungus gnat control...
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Fungus Joanne LuEmail: gg
Fungus gsimilar traWhile theonly fungUnderstan Adult fun1/8” long with a Y-sby wavineasily tradistances card per 1
Pythium, organismsare approThey areconcentrathe base ounder benplacement
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utz, GGSProsprotech@g
gnats and shaits but an ey are both gus gnat landing how to
ngus gnats awith long anshaped vein
ng your hanpped on yeeven when ,000 sq ft.
Thielaviopss from pot to
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Shorefly
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horeflies to up-close loosignificant parvae feed o identify the
re small, blantennae and in each wind over expo
ellow stickydisturbed. C
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Control in
Specialist om
the naked ok reveals thpests of gredirectly on
ese pests aid
ack flies, mlegs. Their w
ng. They are osed soil su
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Shorefly awith blackwith clear than thosedeposits Shoreflies For youngcaused by and can bcrowns anspores of
arium and trthey reach tclear with a
he soil pro5” of soil andges placed o
Check wedgevae.
n Greenho
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n plant tissds in control.
measuring abwings are cleasily detec
urfaces and ungus gnat e placed thr
adults, on thk bodies andspots. Shore
e on a funguon foliageare stronger
g seedlings afungus gnat
bore into thd stems. Lar
f pathogensransport thethe adult staa black heafile, but thd around draon the soil ses in 24-36 h
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ave ces. ops, sue. .
out lear cted
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he other hand reddish eye fly antennus gnat. Ade, detractinr fliers than f
and cuttingst larvae is ofthe base of rvae ingest s such as ese disease age. Larvae ad capsule. he highest ain holes at surface and hours after
gus gnat adult
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nd, measureyes. They hanae and legs dults depositng from afungus gnats
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© 2014 Griffin Greenhouse Supplies
Shorefly
biologicamust be tinclude tthe otherlay eggsareas whwhere alsource foshorefliepoint in media anReduce adisinfestiZeroTol,
Chemica Chemicanot intenand follo Pesticide Adept WActive InOne 1-ozdrench. Adrench vbenches. or hibiscu Azatin OActive InBotanicapackage.insects.
Larvae (Synge
al tactics. Futargeted to the floor area
r hand, need . They are f
here moisturelgae is allo
for populatios. Improvincontrol eff
nd other debralgae by cleaing with a X3, GreenC
al Control
al control of nded to be exow all label d
es for contro
WSP - (EPA ngredient: Dz water-solubApply only
volumes thatInsect grow
us. 12 hr RE
O- (EPA Regngredient: Azal (neem) ins Halts tControls w
enta Bioline)
ungus gnats lthe media ofa under bencconstant mo
found alonge persists aft
owed to groons of bothng drainage forts. Clean ris where praning surfacproduct su
Clean Pro or
l:
fungus gnatxhaustive; pdirections.
olling larva
Reg. # 400-iflubenzuronble packet peenough to w
t must be fowth regulatorEI. MOA 15
g. # 70051-9zadirachtin
sect growth rthe growth
whiteflies, thr
Unlikedamagare tanof larcamounumbe Once based integra
lay their eggf plants or inches. Shorefoisture to breg the baseboter irrigationow provide h fungus gn
should be up excess
actical and res with Strip
uch as KleeGreenshield
ts and shore products othe
l stages
-477) n er 2 gal of wwet up the tollowed to inr. 21 days of. Restricted
9-598807)
regulator with process rips, mealyb
Ee
e fungus gnaging. The larnnish brownrvae in theuflaged. Shoer of importa
properly idin understan
ated controlgs in the cracn soils wherflies, on eed and
oards or n. Areas
a food ats and a focal potting
remove. p-It and
enGrow, d.
flies shoulder than those
water throughtop inch or nsure safe af control. Douse pesticid
th 4.5% activof insta
bugs, leafmi
Excessive algaenvironment f
at larvae, shrvae differ frn with no ble soil is dorefly adultant plant dis
dentified, conding their hl approach cks and crevre eggs have
d target the le listed may
h a 1:100 injtwo of soil
and effectiveo not use on
de in NH, RI
ve ingredienar and piner, fungus
ae provides an for shorefly
orefly larvaefrom fungus lack head cadifficult as ts are knoweases.
ontrolling thhabitats and that include
vices of soil me been depos
larval stage. y be safe and
jector used a. The label e use. Treat n poinsettias,
and VT.
nt and impropupal stag
gnats, soft
ideal
e are not dirgnats in thatapsule. Dete
they are wn to spre
hese two peimplementines chemicalmedia, so co
sited. This sh
The list beld effective.
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© 2014 Griffin Greenhouse Supplies
3
Foliar Spray Rates- ¼-1 tsp per gal or 4-16 oz per 100 gal. Herbs and vegetables on the label. 4 hr REI. MOA-UN. OMRI. Citation WSP - (EPA Reg. # 100-667) Active Ingredient: Cyromazine One 2.66-oz packet per 100 gal of water as a soil surface spray or drench. See the label for chemigation instructions. Insect growth regulator. May be used through low volume applicators at 1 packet per acre in the appropriate amount of water. Repeat at 14 day intervals to maintain control. 12 hr REI. MOA 17. Distance EC - (EPA Reg. # 59639-96) Active Ingredient: Pyriproxyfen Soil surface spray to control the larval stages of fungus gnats and shoreflies. 0.33-0.5 tsp per gal, 6-8 oz per 100 gal (poinsettias- use rate of 0.33 tsp per gal, or 6 oz per 100 gal). The label allows for a soil drench at 2 oz per 100 gal applied to wet up only the top 1-1.5” of soil. See label for special precautions when treating poinsettias. Can be used on certain fruiting vegetables. Do not use on salvia, Boston fern, schefflera, heuchera, or poinsettia bracts. 12 hr REI. MOA 7C. Duraguard ME - (EPA Reg. # 499-367) Active Ingredient: Chlorpyrifos (Restricted Use Pesticide) use as a soil surface spray on crops and under benches at ½ oz per gal (50 oz per 100 gal) or as a soil drench at 0.25 oz per gal (25 oz per 100 gal). Controls larval stage. No visible residue and safe on most open blooms. 24 hr REI. MOA 1B. Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus thuringiensis strain israelensis Is a biological pesticide specifically for the control of fungus gnat larvae. Drench soil to control larvae by applying 16-32 oz per 100 gal to wet the top inch or so of soil. Can be used on certain vegetables. Three applications at 7-day intervals are needed for heavy infestations. Treat crops and under benches. Does not control shorefly larvae. 4 hr REI. MOA 11A1. Flagship WG- (EPA Reg # 100-955) Active Ingredient: Thiamethoxam Label contains directions for soil treatments. Controls larval stage. Not labeled for shoreflies. Restricted use pesticide in MA and NY. Not labeled for Nassau and Suffolk County NY and is approved only for Christmas tree farm and greenhouse use in the rest of the state. 12 hr REI. MOA 4A. Molt-X – (EPA Reg. # 68539-11) Active Ingredient: Azadirachtin Botanical (neem) insect growth regulator. Drench rates: 8 oz per 100 gal. Labeled for edible crops. Excellent plant safety. 4 hr REI. MOA UN. OMRI
© 2014 Griffin Greenhouse Supplies
Pylon ECActive In0.33-0.66applicatioopen bloon certain Safari 20Active In4-6 week(apply 4 label conrestrictio PesticideControllipesticidesome gro ConservActive InRates ½ gnats and½ tsp pecrops but Pylon TRActive InA total rfruiting vpesticide Biologi Biologicagrower aREI’s foworkers, appeal to Atheta cofeeds on many otpupae. P
C – (EPA Rngredient: C6 tsp per galons before roms. Read pn greenhous
0 SG- (EPAngredient: Dk systemic coz per 6” p
nditions are mns. Restrict
es for controing the adul resistance.
owers have r
ve SC - (EPAngredient: Sptsp per gal
d shoreflies. r gal or 8 ot not in green
R – (EPA Rngredient: Chrelease aerovegetables in in NY.
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for biocontrenvironme
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oriaria - is afungus gnat
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Reg. # 241-37Chlorfenapyrl or 5.2-10 ootating to anphytotoxicitye fruiting ve
A Reg # 8620inotefuran control of lapot). Excellemet. MOA 4ted use pestic
olling adultlt of fungus GGSPro fe
reported adul
A Reg. # 627pinosad or 8 oz per No flower d
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ungus gnats sq ft. 12 hr R
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© 2014 Griffin Greenhouse Supplies
Mca
beetle cointo pilesthe soil sper 10 ftwell and Hypoasp
been sugquantitie Area andProduct# mites/teArea trea# flats tre# 4 inch p# 6 inch p# 10 inch1 liter =
Millenium- arpocapsae
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omes in unitss, with 25 – surface, unift2. Adult Athcan sustain
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ggested for s needed. M
d container: # mites/sizeaspoon ated eated pots treated pots treated
h baskets trea= 200 teaspo
Active
al nematodef shorefly.
vae. Rate: 25kly applicatwith lighter rat 14-21 day,000 ft2 to ot apply to rcluding vege
s of 500 or 350 beetles p
formly distribheta fly and a population
s a predator
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Ingredient:
e for the coDoes not c
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Steinerne
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be used on herbs.
s in a coir fibs should be pghout produceir prey. Uns
lives on andngus gnat lar
shore fliesonducive to hey are activuggested as ngus gnat co
urfaces to puhile fungus ypoline m isa vermiculi
he suggested00 mites perulations. Seeontainers or
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per ft2.
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ly, simply dioist areas ouThe suggest
ble condition
p layer of soay contributeuatic enviroffectiveness eratures aboment to Aththrips larvae
s work best ulations areunits of 25,ier with mean rate, for loates up to 50
ow to calcureas on green
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oil. They feee to larval coonments are
may be limove 50oF anheta beetlee that drop towhen introd
e relatively ,000 and 125al mites for w populatio00 per 10 ft2
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5
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rs.
© 2014 Griffin Greenhouse Supplies
N
R D 1m1
flies are shipped lnematodeBulletin)pesticideaeration mesh. Dostored at
Nematode Dr
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100 million/ 100 gal
10
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Using Coused in cmore thadecisions
noticeably rlive from thees, so apply. Do not tan compatibilifor maximuo not let trea40oF for 3-5
renching Gu
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00 gal treats
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ats:@ 2,000
” pots: 6,40
” pots: 3,20
” pots 1,30
0” basket 85
ompatible Pconjunction an one BCAs. The GGSP
reduced. Ree manufactu
y on cloudy nk mix nemity guide is am nematode
ated areas to 5 weeks. Fol
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0 ft2 (13.0oz
00 (2.0 oz)
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00 (10.0 0z
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Pesticides wwith BCAs
A is being utPro team is a
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days or latematodes in cavailable upe survival dudry down by
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ngus Gnat L
Viability
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Live nem1 mm an– not tranclear. Thif disturbusually rmotionleshape. Orequires
with Biologics it is challetilized. In soavailable to h
Nemasys feltiae, a sgnat larvaeNematodeattack fun“pores”, antoxin that kCalculate tof Nemasyproductionas possibleTakes abo
6 week interrower at time in the eve
concentrated on request. Uuring applicay assuring ation suggesti
Larvae Con
y
matodes are nd appear dennsparent or
hey may movbed, but remain ess in a “j”
Observation magnificatio
cal Control enging to deome cases thhelp you wei
or Nemashspecies of ne and thrips
es are micngus gnat larnd introducekills the larvthe area in sys or Nemasn is critical. Ae after sowin
out 2 weeks rvals to mai
me of use. Ultening (reque
pesticide stUse cool waation. Remo
adequate soilions in follo
ntrol
Comm
½ -nse
ve
on
DrencuniforSteinernematopassin Monitoweeks adult p
Agents- Whetermine cohere is a lacigh available
hield contanematodes th. Does not c
croscopic rorvae, througe a bacteriumvae. sq ft and detshield. The fApply preveng seed or inbefore the
intain protectraviolet ligh
est our GGStock solutioater with genove any screl moisture. Nowing table.
ments
ch volumes rm distriburnema is ode - it lig fungus gna
or adult pofollowing a
population d
While certain ompatibility, ck of data oe options.
ains Steinerhat attack fucontrol shoreoundworms
gh their bream that produ
ermine quanfirst six weeentatively asnserting cuttnumber of
ction. Nemaht is damagi
SPro Cloudyons. A nemantle agitation
eens finer thaNematodes c
must be sution througnot a higes in wait at larvae.
opulation at application.
does not drop
pesticides cespecially
on which to
6
rnema ungus eflies.
that athing uces a
ntities eks of soon tings. adult
atodes ing to y Day atode-n and an 50 an be
ufficient forgh rootzoneghly mobile
to ambush
1, 2 and 3 Reapply i
p by week 3.
an be when base
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© 2014 Griffin Greenhouse Supplies
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