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Tokuthion


Banana weevil borers, caterpillar pests of crucifers and longtailed mealybugs are some of the most damaging insects in Australian viticulture and horticulture.

 

Heavy mealybug infestations can damage and often kill plants. Mealybugs will kill off leaves and if left unchecked, kill the plant itself. Mealybugs also affect the development of flowers and stems (especially in succulents with fleshy stems).

 

Banana Weevil Borer larva feed and tunnel in the corm of the banana plant. In grossly infested plants this can interfere with root initiation and sap flow, causing the leaves to wither and die prematurely. These plants may have small bunches of undersize fruit.

 

Tokuthion is a non-systemic insecticide that offers effective control of banana weevil borer in bananas, various caterpillar pests of crucifers and longtailed mealybug in table grapes and pears. It also offers a valuable way to help you manage insect resistance.

 

Benefits of Tokuthion include:

  • Once a year application
  • A low toxicity to mammals, birds and fish
  • Insecticidal activity equal or superior to that of conventional highly toxic compounds
  • Good safety margin on beneficial insects – such as wasps and predatory ladybeetles – because of its unique selective toxicity

 

Product:

APVMA Code :33087

Active Constituent(s): 500g/L prothiofos
Registered For:

 

 Commercial use

 Domestic use

Overview: For the control of banana weevil borer in bananas, various caterpillar pests of crucifers and longtailed mealybug in table grapes and pears.
Documents:

 MSDS (44.1 KB)

 Label (808.3 KB)


General Instructions

 

Insecticide Resistance Warning

 

For insecticide resistance management, Tokuthion is a Group 1B insecticide. Some naturally occurring insect biotypes resistant to Tokuthion and other Group 1B insecticides may exist through normal genetic variability in any insect population. The resistant individuals can eventually dominate the insect population if Tokuthion and other Group 1B insecticides are used repeatedly. The effectiveness of Tokuthion on resistant individuals could be significantly reduced. Since occurrence of resistant individuals is difficult to detect prior to use, Arysta LifeScience accepts no liability for any losses that may result from the failure of Tokuthion to control resistant insects. Tokuthion may be subject to specific resistance management strategies. For further information contact your local supplier, Arysta LifeScience representative or local agricultural department agronomist.

 

Insecticide Resistance Management Strategy

Insecticide Resistance Management Strategy for Banana Weevil Borer in Bananas: Contact your local supplier, Arysta LifeScience representative or local agricultural department agronomist for details.

 

Export Of Treated Produce

Growers should note that MRLs or import tolerances do not exist in all markets for edible produce treated with Tokuthion. If you are growing edible produce for export, please check with Arysta LifeScience for the latest information on MRLs and import tolerances before using Tokuthion.

 

Mixing

 

Mix the required quantity of Tokuthion with water in the spray vat while stirring or with agitators operating.

 

Application

 

Dilute Spraying (table grapes and pears) - Use a sprayer designed to apply high volumes of water up to the point of run-off and matched to the crop being sprayed.

 

- Set up and operate the sprayer to achieve even coverage throughout the crop canopy. Apply sufficient water to cover the crop to the point of run-off. Avoid excessive run-off.

 

- The required water volume may be determined by applying different test volumes, using different settings on the sprayer, from industry guidelines or expert advice.

 

- Add the amount of product specified in the Directions for Use table for each 100 L of water. Spray to the point of run-off.

 

- The required dilute spray volume will change and the sprayer set up and operation may also need to be changed, as the crop grows.

 

Baiting for Banana Weevil Borer

Set the baits from September to May at monthly intervals. Spray the cut surfaces of the bait with 20 mL of the prepared spray solution. Apply the spray once only to baits prepared from freshly cut material.

 

Form baits by the following methods from the corm of recently harvested stools only:

 

A - Cut a pointed cone with a desuckering gouge. Squirt the chemical over the surfaces of the hole and loosely reinsert the cone turned through 90o

 

B - Cut a single slot with a small axe and spray the cut surfaces

 

C - Horizontally cut open the corm, spray the surfaces and prop open the cut to about 1 cm with a small rock

 

As well, recently fallen stools can be cut into blocks and one surface of each block sprayed. That surface is placed on the ground.

 

Compatibility

Tokuthion is NOT compatible with Bayfidan® 250 EC on table grapes. Tokuthion is NOT compatible with Delan 750 SC. Do not mix concentrates together but add each to the spray tank separately. As formulations of other manufacturers' products are beyond the control of Arysta LifeScience, all mixtures should be tested prior to mixing commercial quantities. As changes in climatic conditions can alter the sensitivity of plants to mixtures of sprays, Arysta LifeScience cannot be responsible for the behaviour of such mixtures.

 

Protection of wildlife, fish, crustaceans and environment

Do not contaminate ponds, waterways or drains with the chemical or used container.

 

Safety Directions

 

Product and spray are poisonous if absorbed by skin contact, inhaled or swallowed. Repeated minor exposure may have a cumulative poisoning effect. Will irritate the eyes and skin. Avoid contact with eyes, skin and clothing. Do not inhale spray mist. When preparing spray wear elbow-length PVC gloves and face shield or goggles. If product on skin, immediately wash area with soap and water. If product in eyes, wash it out immediately with water. After use and before eating, drinking or smoking, wash hands, arms and face thoroughly with soap and water. After each day's use, wash gloves, face shield or goggles and contaminated clothing.

 

Storage

Store in the closed, original container in a cool, well ventilated area. Do not store for prolonged periods in direct sunlight.

 

Disposal

Triple or preferably pressure rinse containers before disposal. Add rinsings to spray tank. Do not dispose of undiluted chemicals on site. If recycling, replace cap and return clean containers to recycler or designated collection point. If not recycling, break, crush, or puncture and bury empty containers in a local authority landfill. If no landfill is available, bury the containers below 500 mm in a disposal pit specifically marked and set up for this purpose clear of waterways, desirable vegetation and tree roots. Empty containers and product should not be burnt.

 

Product details last updated on 18 Jun 2010

 

DISCLAIMER: This is not the TOKUTHION INSECTICIDE label. To view or print the label for this product, click the "MSDS/Label" tab at the top of this page. Always follow label instructions.

 

For specialist advice in an EMERGENCY only phone 1800 033 111, TOLL-FREE, ALL-HOURS, NATIONWIDE


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