Ridomil Gold MZ 68WG

Manufacturer
SYNGENTA
Category
Fungicides
Registered until
2027-12-31
Registration number
28893
Active materials
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Wettable granule fungicide for control of early blight and late blight on the foliage of potatoes; downy mildew in onions and head lettuce; downy mildew caused by Plasmopara viticola in grapes; and the suppression of Pythium leak and pink rot in potatoes.

GUARANTEE:
Metalaxyl-M and S-isomer .............................................. 4%
Mancozeb ..................................................................... 64%

DECONTAMINATION AND DISPOSAL
For information on disposal of unused, unwanted product, contact the manufacturer or the provincial regulatory agency. Contact the manufacturer and the provincial regulatory agency in case of a spill, and for clean up of spills.

PRODUCT DECONTAMINATION AND DISPOSAL:
1. Empty bag thoroughly into spray tank.
2. Make the empty bag unsuitable for further use.
3. Dispose of the bag in accordance with provincial requirements.

INTRODUCTION
RIDOMIL GOLD MZ 68WG is a combination of a systemic and contact fungicide to be used as a foliar spray in a preventative disease control program for the control of early blight and late blight on the foliage of potatoes; the suppression of Pythium leak and pink rot in potatoes; the control of downy mildew in onions and head lettuce; and the control of downy mildew caused by Plasmopara viticola in grapes when used as a foliar spray in a preventative disease control program.

USE LIMITATIONS:
Experience has shown that strains of Phytophthora resistant to metalaxyl-M and S-isomer may develop. Failure to control the disease will result in crop damage and/or yield losses in the field or in storage. Since the occurrence of resistance cannot be foreseen, Syngenta Canada Inc. accepts no responsibility for any loss of, or damage to crops in the field or in storage, resulting from the failure of RIDOMIL MZ 68WG to control the resistant Phytophthora strains. 
If disease appears in the field, consult the Government Disease Specialist immediately.

APPLICATION INFORMATION:
1. Do not prepare more spray mixture than is needed for the immediate operation.
2. Thoroughly clean spray equipment before using this product.
3. Vigorous agitation is necessary to disperse the product.
4. Maintain maximum agitation throughout the spraying operation.
5. Flush the spray equipment thoroughly with water daily after use and dispose of pesticide rinsate by application to an already treated area.
Amount of water needed per acre will vary according to the amount of plant growth. For dilute ground applications, the water volume will vary from 200-1400 L/ha. For aerial applications, apply in 50-100 L of water per hectare. To minimize the potential of drift from target area, applications at wind speeds greater than 10 mph are not recommended. DO NOT USE LESS THAN 50 L WATER PER HECTARE.
When a tank mixture is used, consult the labels of the tank-mix partners and observe the largest (most restrictive) buffer zone of the products involved in the tank mixture. 
NOTE: Do not let tank contents stand for prolonged periods of time without agitation. If spraying is interrupted, thoroughly re-agitate the spray solution before resuming application.

GROUND APPLICATION:
1. Use well-maintained and calibrated conventional spray equipment to obtain thorough and uniform coverage.
2. Spray screens should be no finer than 50 mesh.
3. Ensure that the by-pass line discharges at the bottom of the tank to minimize foaming.
4. Maintain pressure of at least 275 kPa to ensure good foliage penetration and coverage.
5. Do not apply during periods of dead calm. Avoid application of this product when winds are gusty. Do not apply with spray droplets smaller than the American Society of Agricultural Engineers (ASAE) medium classification.

AERIAL APPLICATION (potatoes only):
Apply only by fixed-wing or rotary aircraft equipment which has been functionally and operationally calibrated for the atmospheric conditions of the area and the application rates and conditions of this label.
Label rates, conditions and precautions are product specific. Read and understand the entire label before opening this product. Apply only at the rate recommended for aerial application on this label. Where no rate for aerial application appears for the specific use, this product cannot be applied by any type of aerial equipment.
Ensure uniform application. To avoid streaked, uneven or overlapped application, use appropriate marking devices.

AERIAL APPLICATION USE PRECAUTIONS:
Apply only when meteorological conditions at the treatment site allow for complete and even crop coverage. Apply only under conditions of good practice specific to aerial application as outlined in the National Aerial Pesticide Application Manual, developed by the Federal/Provincial/Territorial Committee on Pest Management and Pesticides.
Do not apply to any body of water. Avoid drifting of spray onto any body of water or other nontarget areas. Specified buffer zones should be observed.
Coarse sprays are less likely to drift, therefore, avoid combinations of pressure and nozzle type that will result in fine particles (mist).
DO NOT apply during periods of dead calm. Avoid application of this product when winds are gusty. DO NOT apply when wind speed is greater than 16 km/h at flying height at the site of application. DO NOT apply with spray droplets smaller than the American Society of Agricultural Engineers (ASAE) medium classification. To reduce drift caused by turbulent wingtip vortices, the nozzle distribution along the spray boom length MUST NOT exceed 65% of the wing- or rotorspan. Do not spray when the wind is blowing towards a nearby sensitive crop, garden, terrestrial habitat (such as shelter-belt) or aquatic habitat.

AERIAL APPLICATION OPERATOR PRECAUTIONS:
Do not allow the pilot to mix chemicals to be loaded onto the aircraft. Loading of premixed chemicals with a closed system is permitted. It is desirable that the pilot have communication capabilities at each treatment site at the time of application. The field crew and the mixer/loaders must wear chemical resistant gloves, coveralls and goggles or face shield during mixing/loading, cleanup and repair. Follow the more stringent label precautions in cases where the operator precautions exceed the generic label recommendations on the existing ground boom label.
All personnel on the job site must wash hands and face thoroughly before eating and drinking. Protective clothing, aircraft cockpit and vehicle cabs must be decontaminated regularly.
Do not use human flaggers. Avoid spray drift. Apply only when there is little or no hazard from spray drift. Small quantities of the spray, which may not be visible, may seriously injure susceptible crops and damage sensitive non-target habitats. A method, such as balloons or a continuous smoke column at or near the spray site or a smoke generator on the spray equipment, must be used to detect air movement, lapse conditions or temperature inversions (stable air). If the smoke develops into layers or indicates a potential for hazardous spray drift, do not spray.

PRODUCT SPECIFIC PRECAUTIONS:
Read and understand the entire label before opening this product. If you have questions call the manufacturer at 1 -87-SYNGENTA (1-877-964-3682) or obtain technical advice from the distributor or your provincial agricultural represent ative. Application of this specific product must meet and/or conform to the following:
1. Apply RIDOMIL GOLD MZ 68WG in a minimum of 50 L of water/ha.
2. Adjust nozzles to provide a median droplet size of 200-400 microns.
3. To ensure proper coverage and distribution of spray solution, and to minimize drift, check to see that swath width and droplet size are adequate, and that wind velocities are low.
4. Consult local environmental authorities to determine how large a buffer zone is required around between fields to be aerially sprayed. 

DIRECTIONS FOR USE
POTATOES:
Control of Early Blight and Late Blight on the foliage of potatoes, and the suppression of Pythium Leak and Pink Rot in potatoes
RIDOMIL GOLD MZ 68WG should be applied as part of a preventative disease management program. Cultural practices to minimize the sources of disease should be used as well as early preventative applications of fungicides. RIDOMIL GOLD MZ 68WG must be applied before the outbreak of disease.
Apply up to 3 applications of RIDOMIL GOLD MZ 68WG at 2.5 kg/ha in sufficient water to ensure thorough coverage of foliage (for aerial application, apply 2.5 kg of RIDOMIL MZ 68WG in a minimum of 50 L of water per hectare). Start application early - the first application should be applied before the leaves of the plants touch within a particular potato row. Apply a second and third application of RIDOMIL GOLD MZ 68WG at 10-14 day intervals. Apply a contact fungicide, recommended for the control of late blight, 5-7 days after each RIDOMIL GOLD MZ 68WG application. After the final RIDOMIL GOLD MZ 68WG application apply a registered contact fungicide at the recommended rate and interval, to the end of the season. Do not apply within 3 days of harvest.
When conditions are very favourable for late b light development, the shortest interval between fungicide applications is recommended.
Up to 3 applications of RIDOMIL GOLD MZ 68WG may be applied per season. Apply a contact fungicide within 5-7 days of the last RIDOMIL GOLD MZ 68WG application. When potato vines start to visually mature, discontinue use of RIDOMIL GOLD MZ 68WG and return to a contact fungicide program. Excessive tuber bruising or wounding during harvest will reduce suberization and increase the chances for development of storage disease problems. Consult local potato specialist for late blight forecasting and potato vine maturity advice in your area.
NOTE: If applications of RIDOMIL GOLD MZ 68WG are being made, as recommended for control of foliar diseases, additional applications for tuber disease control are not needed. 
Early Blight
RIDOMIL GOLD MZ 68WG, when applied in a program with a contact fungicide recommended for late blight control as outlined above, will control early blight.
GENERAL INFORMATION:
COMPATIBILITY: RIDOMIL GOLD MZ 68WG is compatible with most commonly used potato insecticides. However, compatibility should always be confirmed by pre-mixing small proportional quantities of chemicals in water in advance.
Do not tank mix RIDOMIL GOLD MZ 68WG with a top killer. Top killers prevent the systemic activity of RIDOMIL GOLD MZ 68WG.
GRAPES
Downy Mildew caused by Plasmopara viticola
Apply 2.5 kg of RIDOMIL GOLD MZ 68WG per hectare using ground application equipment in sufficient water to obtain thorough coverage of the foliage. Make only one application per year as a pre-bloom spray. 

Registered for culturesRatePreharvest Interval
Potatoes2.5 kg
Grapes2.5 kg
Lettuce2.5 kg14
Onions2.5 kg7