Table 12.5. Insecticides registered for managing insect pests of onions. (continued)
Labels change frequently. Be sure to read a current product label before applying any chemical.
Pest
MOA
Code1
Trade Name
(Active Ingredient)
*Restricted
Rate
(Product/acre)
REI
(hours)
Days to
Harvest Remarks2
– M-Pede (potassium salts of
fatty acids)
1-2% V/V 12 0 OMRI-listed.
UN Neemix 4.5 EC
(azadirachtin)
4 0 OMRI-listed.
– Trilogy
(extract of neem oil)
0.5-2.0% V/V 4 0 Apply morning or evening to reduce potential for
leaf burn. Toxic to bees exposed to direct treatment.
OMRI-listed.
– Grandevo (Chromobacterium
subtsugae strain PRAA4-1)
1-3 lb 4 0 Onion (bulb and green), and shallot
Caterpillars
(includes
cutworms and
armyworms)
3A *Ambush 25W
(permethrin)
6.4-19.2 oz 12 1 Dry bulb and garlic only. Maximum of 2 lb ai/acre
per season.
3A *Declare Insecticide
(gamma-cyhalothrin)
24 14 Bulb onions. Maximum of 0.77 pt per acre per
season.
3A *Mustang
(zeta-cypermethrin)
2.4-4.3 oz 12 7 Do not apply more than 21.5 oz per acre per season.
Onions, bulb and green.
3A *Pounce 25 WP
(permethrin)
6.4-19.2 oz 12 1 Bulb onions. Maximum 1 lb ai/acre per season.
3A *Warrior II
(lambda-cyhalothrin)
24 14 For bulb crops only (onions), not green onions.
season.
5 Entrust SC
(spinosad)
4 1 No more than 5 applications per year and no more
For onions, bulb and green.
OMRI-listed.
5 Radiant SC
(spinetoram)
4 1
per year.
11A Agree WG
(Bacillus thuringiensis
subspecies aizawai)
1.0-2.0 lb 4 0 Apply when larvae are small for best control.
11A Biobit HP
(Bacillus thuringiensis
subspecies kurstaki)
0.5-2.0 lb 4 0 Treat when larvae are young. Good coverage is
essential. Can be used in the greenhouse. For
organic production.
11A Crymax WDG (Bacillus
thuringiensis subspecies
kurstaki)
0.5-2.0 lb 4 0 Use high rate for armyworms. Treat when larvae are
young.
11A Deliver
(Bacillus thuringiensis
subspecies kurstaki)
0.25-1.5 lb 4 0 Use higher rates for armyworms. OMRI-listed.
11A DiPel DF
(Bacillus thuringiensis
subspecies kurstaki)
0.25-2.0 lb 4 0 Treat when larvae are young. Good coverage is
essential. OMRI-listed.
11A Javelin WG
(Bacillus thuringiensis
subspecies kurstaki)
0.12-1.5 lb 4 0 Treat when larvae are young. Thorough coverage is
essential. OMRI-listed.
11A Xentari DF
(Bacillus thuringiensis
subspecies aizawai)
0.5-2.0 lb 4 0 Treat when larvae are young. Thorough coverage is
essential. May be used in the greenhouse. Can be
used in organic production.
18 Intrepid 2F
(methoxyfenozide)
4 1 Green onion subgroup only. Do not make more
than 6 applications per year and do not apply more
28 Coragen
(chlorantraniliprole)
4 1 Beet armyworm only. No more than 4 foliar
crop.
UN Aza-Direct
(azadirachtin)
1-2 pts, up to 3.5, if needed 4 0 Antifeedant, repellant, insect growth regulator.
OMRI-listed.
UN Azatin XL
(azadirachtin)
4 0 Antifeedant, repellant, insect growth regulator.
UN Neemix 4.5 EC
(azadirachtin)
4 0 OMRI-listed.
210 2019 Vegetable Production Handbook of Florida