TOBACCO INSECT CONTROL

Transcription

1 TOBACCO CONTROL Francis P. F. Reay-Jones TOBACCO CONTROL IN THE PLANT BED 000 SQ FT MIN DAYS HLING Aphids & Flea Beetles 5G 0 oz 3/4 tbsp Apply granules broadcast at seeding just after plant emergence and water thoughly. Mix spray using 3/4 tbsp per gal water/000 sq ft. Cutwms Slugs Snails Metaldehyde 5B 3/4 tbsp 2 lb Mix spray using 3/4 tbsp per gal water/000 sq ft. Scatter around margins, walkways, and open spaces in beds. TOBACCO CONTROL IN GREENHOUSES Acephate (ORTHENE ) is labeled f use on tobacco in greenhouses to control cutwms, flea beetles, the green peach aphid, and the tobacco aphid, at a rate of ¾ lb/a. Apply to foliage at the equivalent of 3/4 tbsp in 3 gal water/000 sq ft of bed. Apply evenly to ensure though NOTE: Floatbed water should be disposed of in the transplanted field through the transplant water through foliar spray. Imidacloprid - ADMIRE PRO has replaced ADMIRE 2F. Both products have the same active ingredient (imidacloprid), However the ADMIRE PRO fmulation is me concentrated, therefe the rates will be different. F aphids and flea beetles, it is labeled at 0.5 fl oz/, and f mole crickets and wirewms, it is labeled at fl oz/000 plants. F tomato spotted wilt suppression, use fl oz/. - ADMIRE 2F and generic brands are also labeled f use on tobacco as a drench to trays flats pri to These new generic brands include ADVISE, ALIAS, IMIDA E-AG, COURAZE, and NUPRID. An assessment of these products at the Pee Dee REC in 2007 suggests a similar effectiveness regarding insect control. F aphids and flea beetles, it is labeled at fl oz/, and f mole crickets and wirewms, it is labeled at fl oz/. Although this is a greenhouse application, it is f control of these insects in the field. F tomato spotted wilt suppression, use fl oz/. Triamethoxam (PLATINUM ) is labeled f use on tobacco as a drench to trays flats pri to F aphids, flea beetles, and Japanese beetles, it is labeled at fl. oz/, and f wirewms, it is labeled at.3 fl oz/. Although this is a greenhouse application, it is f control of these insects in the field. An insecticidal soap, M-Pede, is also labeled f use on tobacco in the greenhouse. However, its effectiveness has not yet been established.

2 TOBACCO CONTROL IN THE FIELD Note: Although endosulfan (Thiodan and other brands) is still labeled on tobacco in South Carolina, it is no longer included in our recommendations. Tobacco companies consider residues to be a serious problem. HLING WIREWORMS Mocap 0 G 6 EC Lsban 5 G 4 E 20 lb /3 qt. 3.5 lb 2 qt Broadcast granules with spreader apply sprays evenly over area at least 7-0 days befe transplanting and disc to mix 2-4 inches into soil. Apply as preplant broadcast granules a preplant broadcast spray in not less than 0 gal spray/a. Incpate into soil 2-4 inches. 4 F CAUTION: Do NOT apply to foliage..5 gal Apply preplant broadcast and incpate. Note: May cause leaf flecking on lower leaves. APHIDS 2F and generic brands 2F and generic brand 97 PE lb.8 WS 5 G 8 E fl oz/ fl oz/ Apply in transplant water in a minimum of 00 gal/a fl oz/ fl oz/ Apply in-furrow transplant water..3 fl oz/ of 00 gal/a. coverage in transplant water in a minimum of 00 gal/a. 0.5 lb qt 27 lb 4 pt Broadcast and incpate befe bedding apply 6- to 2-inch band over the row and incpate befe planting. 5 2F and generic brands 2F and generic brand 0.5 fl oz/ 0.6 fl oz/.0 fl oz/.4 fl oz/ fl oz/ vado.6 F 2-4 oz Apply in transplant water in a minimum of 00 gal/a. Apply in-furrow transplant water. of 00 gal/a. Actara 2-3 oz Same as above. Fullfill 50 WG 2.75 oz Same as above. Do not make me than two applications per season.

3 FLEA BEETLES BUDWORMS TOBACCO CONTROL IN THE FIELD (cont.) 97 PE lb lb -2 qt.8 L lb -2 pt HLING coverage in transplant water in a minimum of 00 gal/a. Same as above. 4 F.0 gal See under wirewms 5 G 8 E 27 lb 4 pt befe planting. 2F and generic brands 2F and generic brand 0.5 fl oz/ 0.6 fl oz/.0 fl oz/.4 fl oz/ fl oz/ Broadcast and incpate befe bedding apply 6- to 2-inch band over the row and incpate Apply in transplant water in a minimum of 00 gal/a. Apply in-furrow transplant water. of 00 gal/a. vado.6f 4 oz Actara 2-3 oz Same as above. 97 PE 0.75 lb Spray directly to bud befe flowering. Use full cone nozzles in gal water/a at 60 psi. per spray timing and good coverage are essential f effective control. Avoid weekly schedules. Thuringiensis* (see label) Same as above. 0.5 lb Same as above. 5.8 L qt Tracer oz Same as above EC 8-2 oz Same as above. 2 4 F.5 gal See under wirewms. CAUTION: Budwm control has been inconsistent ranging from po to excellent. May cause leaf flecking on the lower leaves. Commercially prepared bait. Place small pinch in 5-0 lb bud of each plant with a gloved hand Thuringiensis mechanical applicat. 5 Bait *Bt products labeled f use on tobacco in South Carolina include Dipel, Biobit, Thuricide, MVP, Lepinox and Agree.

4 TOBACCO CONTROL IN THE FIELD (cont.) HORNWORMS LOOS 0.5 lb Thuringiensis* (see label) Same as above.8 L lb -2 pt lb -2 qt Apply in gal spray/a f complete HLING Same as above. 5 Same as above. Tracer oz Same as above EC 97 PE 8-2 oz Same as above lb Thuringiensis* (see label) Same as above..8 L 0.6 EC GRASSHOPS Malathion 57 EC STINK BUGS 0.5 lb qt Apply gal spray/a f complete coverage Same as above. 5 Tracer oz Same as above oz Same as above. 2.5 pt Apply sprays in gal spray/a f complete Early spraying around field bders aids in preventing infestations lb Same as above lb Same as above. Bt products labeled f use on tobacco in South Carolina include Dipel, Biobit, Thuricide, MVP, Lepinox and Agree.

5 JAPANESE BEETLES TOBACCO CONTROL IN THE FIELD (cont.) lb -2 qt HLING 0.75 lb Same as above. Actara 2-3 oz Same as above. CUTWORMS Lsban 5G 4E VEGETABLE WEEVILS fl oz/ 4-20 lb 2-3 qt transplanting, in transplant water in a minimum of 00 gal/a. Apply as preplant broadcast granules a preplant broadcast spray in not less than 0 gal spray/a. Incpate into soil 2-4 inches. CAUTION: Do NOT apply to foliage lb Apply in 0-50 gal spray/a as needed lb -2 ON-FARM CONTROL OF TOBACCO MOTH CIGARETTE BEETLE ICIDE DOSAGE HOW, WHERE, WHEN TO APPLY Heat treatment Tobacco moth and Cigarette beetle (all stages) 40 o F Hang in barn f a few hours. CAUTION: Tobacco must be thoughly dried at temperature below 00 o F befe increasing temperature col will change and result in decreased price. Dichlvos (Vapona) Resin strips Tobacco moth (moth only) Thuringiensis* Tobacco moth (larvae only) per,000 cu ft of space (see label) Effective in reasonably tight stage facilities. Hang one resin strip per,000 cu ft of stage space. Replace if live moths are noticed. Apply as a fine mist. Spray leaves in layers as tobacco is being sheeted, re-sheeted, placed in a pile f stage. Good coverage is essential. CAUTION: Avoid excessive moisture. *The only Bt product labeled f this use in South Carolina is Dipel.