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Spring Perennial

Perennial weeds can be just as damaging to crop yields as annual weeds. The big difference is that they keep coming back if you don't control the entire plant - root and shoots. With a spring application of Roundup WeatherMAX™, you get the best, most consistent control of tough perennials like quackgrass and dandelions. Roundup WeatherMAX is the product of choice when it comes to perennial weeds.

Slow Spring Quackgrass Growth

Problem
Quackgrass is often slow to start growing in the spring and waiting for the recommended application stage can mean delayed seeding. (For optimum control, waiting until the 3-4 leaf stage to spray quackgrass with Roundup WeatherMAX is recommended.) Delayed seeding reduces the yield potential of the crop and exposes it to early fall frosts.

Solution
Farmer experience with the original Roundup® herbicide showed that spraying quackgrass as early as the 3-leaf stage fits best with their farming systems. Although the quackgrass control is better as the plants gets bigger, even early seeded fields benefit from an application of 0.67 litre per acre of Roundup WeatherMAX.

Spraying quackgrass early results in higher yields and does not require delayed seeding. For those quackgrass plants that have not reached the 3-leaf stage at application, they will be burnt off, but may re-grow again through the year. A Roundup WeatherMAX preharvest application will be required in order to achieve season-long control.

1. Spray early with 0.67 L/acre to burn off emerged quackgrass (some re-growth may occur).
2. Seed just three days (72 hours) after spraying.
3. A preharvest Roundup WeatherMAX application at the 0.67 litre per acre rate may still be needed to complete the job.

Quackgrass On Fall-tilled Land

Problem
Summerfallow affords quackgrass a real opportunity to not only re-establish, but to spread across the field. Conventional summerfallow using tillage chops up quackgrass roots and spreads rhizomes across the field. Plus, quackgrass re-grows quickly, making frequent tillage trips necessary to control this perennial weed problem.

Solution
Roundup WeatherMAX application on summerfallow effectively controls quackgrass. If summerfallow is a part of normal cropping practices, Roundup WeatherMAX is the ideal solution:

• better than tillage - tillage chops and spreads quackgrass roots and rhizomes around the field.
• eliminates one or more tillage operations.
• translocates to the roots for complete control of the entire plant.

1. Avoid fall or spring tillage. Quackgrass grows from a rhizome and avoiding tillage prevents the rhizome from being broken up. Each piece of rhizome can become a new quackgrass plant now or can go dormant for 2 to 3 years.
2. Allow 6 weeks of spring quackgrass growth for adequate leaf area to effectively absorb and translocate Roundup WeatherMAX to the roots. If you are concerned about winter annual weeds getting out of control, apply a late fall or early spring burn-off with Roundup WeatherMAX at 0.33 to 0.50 L/acre.
3. Apply when 4-5 green leaves are present (minimum 3-4 leaves or more). Apply Roundup WeatherMAX when plants are actively growing. Reduced control may occur under drought conditions.
4. For best results, use 0.67 L/ac when infestation is low to moderate and for heavy infestations (more than 50 shoots/m2), use 1.33 L/ac.
5. Tillage can take place 3 or more days after treatment.
6. For fields infested with both Canada thistle and quackgrass, there are two options:
   • treat the field for the worst weed.
   • wait till next season and use Roundup WeatherMAX preharvest in crop.

Quackgrass On Summerfallow

Problem
Summerfallow affords quackgrass a real opportunity to not only re-establish, but to spread across the field. Conventional summerfallow using tillage chops up quackgrass roots and spreads rhizomes across the field. Plus, quackgrass re-grows quickly, making frequent tillage trips necessary to control this perennial weed problem.

Solution
Roundup WeatherMAX application on summerfallow effectively controls quackgrass. If summerfallow is a part of normal cropping practices, Roundup WeatherMAX is the ideal solution:

• better than tillage - tillage chops and spreads quackgrass roots and rhizomes around the field.
• eliminates one or more tillage operations.
• translocates to the roots for complete control of the entire plant.

1. Avoid fall or spring tillage. Quackgrass grows from a rhizome and avoiding tillage prevents the rhizome from being broken up. Each piece of rhizome can become a new quackgrass plant now or can go dormant for 2 to 3 years.
2. Allow 6 weeks of spring quackgrass growth for adequate leaf area to effectively absorb and translocate Roundup WeatherMAX to the roots. If you are concerned about winter annual weeds getting out of control, apply a late fall or early spring burn-off with Roundup WeatherMAX at 0.33 to 0.50 L/acre.
3. Apply when 4-5 green leaves are present (minimum 3-4 leaves or more). Apply Roundup WeatherMAX when plants are actively growing. Reduced control may occur under drought conditions.
4. For best results, use 0.67 L/ac when infestation is low to moderate and for heavy infestations (more than 50 shoots/m2), use 1.33 L/ac
5. Tillage can take place 3 or more days after treatment.
6. For fields infested with both Canada thistle and quackgrass, there are two options:
   • treat the field for the worst weed.
   • wait till next season and use Roundup WeatherMAX preharvest in crop.

Spring Dandelion Control

Roundup WeatherMAX is the best solution for dandelion. The best time to control dandelion is in the spring prior to seeding.

Use Roundup WeatherMAX herbicide just as you would use Roundup. Because it is Roundup... transformed by Monsanto's unique Transorb 2 Technology to give you better, more consistent control - including dandelion - than ever before.

Dandelion Control
Prior to planting, spray dandelion with Roundup WeatherMAX any time up to and including the bloom stage of growth. 0.67 litres/acre of Roundup Transorb will provide effective control of weeds under 15cm (6 inches) in diameter with a minimum application of 0.67 litres/acre. Larger dandelions call for 1.0 to 1.33 litres/acre.

Roundup WeatherMAX works on dandelion like it works on quackgrass, translocating all the way down to the tips of the tap roots and controlling the weeds from the bottom up so they can't grow back.

Canada Thistle on Summerfallow

Problem
Canada thistle not only maintains its foothold during summerfallow years, it can spread with tillage and can require extra, costly tillage trips just to keep it under control.

Solution
If summerfallow is a normal part of your farm plans, apply Roundup WeatherMAX to Canada and perennial sow thistle at the rosette stage to clean up thistle. At the rosette stage, Roundup WeatherMAX is readily absorbed and effectively translocated throughout the root system because the plant is actively storing food in its roots as it prepares for next year's growth.

Roundup WeatherMAX is an ideal solution for thistle control on summerfallow:

• better than tillage - tillage chops and spreads quackgrass roots and rhizomes around the field.
• eliminates one or more tillage operations.
• translocates to the roots for complete control of the entire plant.
• more economical than other summerfallow herbicides.
• more effective than other summerfallow herbicides.

1. Perform last tillage operation during the final week of July or the first week of August.
2. Allow 5 weeks of regrowth - the majority of thistle rosettes should be a minimum of 15 cm (6 inches) in diameter.
3. Treat when thistles are at the rosette stage.
4. Apply 0.67 L/ac of Roundup WeatherMAX herbicide when plants are actively growing. Reduced control may occur under drought conditions.
5. Tillage, if desired, can take place ten (10) or more days after treatment.
6. For fields infested with both Canada thistle and quackgrass, there are two options:
   • treat the field for the worst weed.
   • wait till next season and use Roundup WeatherMAX preharvest in crop.

Hayland Break-Up

Problem
Breaking up hayland can be an expensive, time-consuming job.  Expensive because of the number of tillage trips over the field, and expensive because of the damage to shovels and discs caused by rocks. If hayland has become infested with quackgrass, tillage just spreads the rhizomes, making the problem worse.

In addition, because hayland break-up can be so expensive and bothersome, fields often aren't terminated as quickly as they should be, leaving lower-yielding hay and pasture land in production - cutting livestock gains and hay yields. Excessive tillage to control perennial hay species and perennial weeds can also severely dry out the soil, leaving it subject to erosion and cutting establishment and yields of the subsequent crop.

Solution
Now there's an easy way to break-up hay or pasture - Roundup WeatherMAX. You don't have to use as many tillage passes to control perennial forages and weeds and you'll save wear and tear on your equipment. Using Roundup WeatherMAX to take out hayland or pastureland:

• eliminates several tillage trips.
• reduces wear and tear on your equipment.
• reduces moisture loss and soil erosion.
• more economical than other summerfallow herbicides.
• more effective than other summerfallow herbicides.
• treat the field for the worst weed.

You'll get more management options to save time, money and improve farm efficiency.

1. Hay or graze pasture as you normally would.
2. After cutting hay or after removing cattle from pastureland, allow the field to regrow for approximately 5 weeks or until the hay is eight to twelve (8-12) inches tall, or more.
3. Perennial broadleaved weed species such as alfalfa and Canada thistle should be at the bud to bloom stage for best results. Alfalfa is controlled best with a late summer or early fall application. If cow pies are present in pastureland, spread them lightly with a harrow.
4. Apply 1.0 to 1.33 L/acre of Roundup WeatherMAX in 5 to 30 gpa of clean water. Ensure thorough coverage of all the weeds.
5. After spraying Roundup WeatherMAX, wait a minimum of 3 days (72 hours) prior to cutting, grazing or tilling. Hay quality may deteriorate if cut much later than 7 days after spraying. Manure may be spread on the field prior to tilling.

Effect On Feed Quality And Livestock
Roundup WeatherMAX herbicide applications have no effect on feed quality when applied as per label directions - studies found no effect on protein content, fibre levels, intake or digestibility.