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Tongara, SL

Aqueous solution containing diquat 150 g/l.

Non-selective contact desiccant for pre-cropping desiccation of sunflower, pea, rape, seed plants of cereal crops, alfalfa, carrot, cabbage, beet, turnip, fodder beans, soybeans and radish.

General information

Advantages:

  • fast drying of crops, thus facilitating cropping;
  • fast and uniform ripening;
  • reduced losses of seeds during cropping;
  • facilitates cropping;
  • reduced moisture content in seeds.

Preparative form:

Aqueous solution containing diquat 150 g/l.

Shelf life

3 years.

Hazard class:

Hazard class 2, high danger.

Storage conditions

Keep the preparation in a room dedicated for pesticide storage. Storage temperature range - minus 15⁰C to plus 30⁰C.

Packing

10 liter PE container

Registrant

Schyolkovo Agrokhim JSC, Russia.

Manufacturer

Schyolkovo Agrokhim JSC, Russia.

Action

Selectivity:

General purpose preparation of eradicating action.

Spectrum of action

Desiccant for drying crops.

Mechanism of action

As the preparation is absorbed by plant leaves, diquat molecule reduces to form a stable radical that may be re-oxygenized using molecular oxygen. As an electron joins, oxygen turns into a highly reactive superoxide anion (O2-) and hydrogen peroxide (H2O2) oxidizing unsaturated fatty acids. The resulting malondialdehyde inactivates the electron transport system, which results in fast destruction of tonoplasts, cell contents (failure of mitochondria, destruction of quantasome membranes in chloroplast), and perish of the entire plant.

Causes complete desiccation of treated plants.

Speed of action

Depending on weather conditions, signs of desiccation become visible in 5 to 10 days after treatment. Signs of preparation action: gradual withering, yellowing, then drying of plant leaves.

Usage regulations

Crop

Harmful object

Preparation consumption rate, l/ha

Mix consumption rate, l/ha

Method, time and conditions of application.

Wait time (application frequency)

Sunflower

Desiccation

1.5-2

1.5-2 (А) 

200-300 –ground application
50-100 –aerial application

Planting spraying at start of anthode browning

7(1)

Pea (for grain)

Desiccation

1.5-2

1.5-2 (А) 

200-300 –ground application
50-100 –aerial application

Spraying after full biological ripening, 7 to 10 days before cropping

7-10(1)

Spring and winter rape

Desiccation

1.5-2

1.5-2 (А) 

200-300 –ground application
50-100 –aerial application

Planting spraying as seeds grow brown in medium tier pods

7(1)

Soybeans (seed plants)

Desiccation

1.5-2

1.5-2 (А) 

200-300 –ground application
50-100 –aerial application

Spraying as 50-70% of pods grow brown, 7 to 10 days before cropping

7-10(1)

Spiked cereals (seed plants)

Desiccation

1.5-2

1.5-2 (А) 

200-300 –ground application
50 –aerial application

Planting spraying as these become ripe, seed moisture content max. 30%

7(1)

Alfalfa (seed plantings)

Desiccation

2-4

2-4 (А) 

200-300 –ground application
50 –aerial application

Spraying as 85-90% of pods grow brown

7(1)

Potato (seed plants)

Desiccation

2

2(A)

200-300 –ground application
50-100 –aerial application

Spraying as tubers are formed and skin grows coarse

7(1)

Potato (highly leafy sorts)

Desiccation

2

2(A)

200-300 –ground application
50-100 –aerial application

Spraying as tubers as formed and skin grows coarse, every 3 to 5 days

7(2)

Carrot (seed plants)

Desiccation

2.5-3

200-300

Spraying as seeds become ripe totally in 2nd tier umbels, seed moisture content max. 50%

7(1)

Cabbage (seed plants)

Desiccation

2-3

200-300

Spraying at complete yellow ripeness – start of biological ripeness, seed moisture content max. 50%

7(1)

Sugar, table, fodder beet (seed plants)

Desiccation

3-4

200-300

Spraying as 20-40% of glomes grow brown

7(1)

Cowgrass (seed plants)

Desiccation

2-4

200-300

Spraying as 75-80% of glomuses grow brown

7(1)

Turnip (seed plants)

Desiccation

2-4

200-300

Spraying at complete yellow ripeness – start of complete ripeness, seed moisture content max. 45-50%

7(1)

Fodder beans (seed plants)

Desiccation

2-4

200-300

Spraying when lower tier seeds –get their characteristic color, raphe – black

7(1)

Radish (seed plants)

Desiccation

2-4

200-300

Spraying at yellow ripeness stage, seed moisture content max. 55%

7(1)

Sorgho (seed plants)

Desiccation

2-4

200-300

Spraying at yellow ripeness stage

7(1)

Application technique. Mix preparation method
For ground treatment
Prepare the mix immediately before use and apply during the same day.
Fill the sprayer tank to about its half with water, add the required preparation dose and top up with water until full while continuously stirring the mix using hydraulic agitators. The refilling station shall be disinfected after work completion.
For aerial treatment:
Prepare the mix using mechanical aid immediately before application. It is feasible to use fixed refilling stations SZS-10 and mobile units APT Temp and APZh-12. To prepare the mix, fill the tank of the refilling unit with pure water to 1/2, turn the agitator on, add the measured preparation dose and keep on filling the tank with water while stirring it.
In specific cases when there are no dedicated ground-based preparation and refilling facilities, the mix may be prepared directly in the sprayer tank of the aircraft. First, fill the tank with pure water to 1/2, then add the required preparation dose and water to the required volume.
As the aircraft approaches the area of treatment, turn the hydraulic agitator on to additionally stir the mix (hydraulic agitator working time min. 2 minutes).
Phytotoxicity
General purpose desiccant. No resistant crops exist.
Potential for resistance
No facts of resistance to preparation were revealed.
Phytotoxicity
No resistant crops exist.

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