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In the April edition
- Control disease, manage costs and maximise your wheat profits
- Inatreq™ best practice application advice and stewardship support offer
- Late season weed control with Pixxaro®
- Maximise your sugar beet yield
- Pioneer® winter oilseed rape hybrid range
- Zorvec™ active stewardship in 2024
- Instinct applications this spring
- Cereals Event 2024 visitors invited to celebrate with Corteva
- Other news and useful updates
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Control disease, manage costs and maximise your wheat profits
Following three years of successful use on farm, cereal fungicide Univoq™ has established itself as a key component of disease control programmes in wheat, showing consistent, strong performance at both the T1 and T2 timings. Its unique site of action means there is no cross resistance to any other chemistry used on farms today.
- Robust in the face of septoria and rusts
- No cross resistance to other chemistries
- Enhanced spray retention = improve rainfastness
- The ultimate in coverage, penetration and uptake
- Lasting protection, laying the foundations for higher yields
Univoq may only be applied once within your fungicide programme. For those preferring to retain Univoq for the T2 timing, where the greatest yield response is likely to be generated, the rate of use will be determined by conditions at the time but is likely to fall in the range 1.25-1.5L/Ha.
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Other key information
- What farmers and agronomists are saying about Univoq - read their experiences here.
- Inatreq information hub with links to product pages and key technical advice here
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T2 fungicide decisions - please take our short survey by 10 May 2024 for a chance to win!
We are interested in your views around fungicide product choice and key diseases that affect your decisions. Please click on this link to access the form and share your thoughts. All forms submitted by 10 May 2024 will be eligible to stand a chance of winning one of our 5 prize packs.
Each pack contains: 2 carbon walking poles, 1 pair of gore-tex gaitors, (size 3 i.e. EU 42-48 shoe size), a backpack, a solar powerbank, a notebook and a couple of hats.
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Inatreq™ best practice application advice
Over the past two seasons, Corteva’s established Best Practice Application Advice and resources have provided users with the confidence to continue using fungicides containing Inatreq active. Also, Corteva is again offering a £200* goodwill gesture towards parts purchased in conjunction with Corteva products containing Inatreq™ active.
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Video highlight: With T1 fungicide applications underway, growers and sprayer operators are reminded about our range of video resources.
This video, presented by independent spray application specialist, Tom Robinson together with Cotswold farmer Andrew Myatt, shows how to carry out visual maintenance checks on a sprayer. Andrew explains the process he goes through to check the condition of his sprayer before and after use. Click on the image below or watch on our website here.
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Late season weed control with Pixxaro®
Now that the weather conditions have improved, growers face the challenge of a large backlog of on farm activities. Getting on top of broad-leaved weeds should however be the priority as there are reports of large, competitive broad-leaved weeds in many winter cereal crops currently.
In winter wheat crops, where residual herbicides ran out of steam due to the heavy rainfall, there are large cleavers, bindweed, fumitory and some creeping thistle present.
Pixxaro at 0.25L/ha is a cost-effective way of controlling these weeds later in the season, offering better control than 100grams AI of fluroxypyr. Where creeping thistle is present, growers may add a sulfonyl-urea herbicide such as metsulfuron-methyl to complete the weed spectrum.
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In Scotland, where spring barley crops have only just going in, growers should make the most of the first opportunity to hit weeds hard once they emerge.
For robust control of difficult spring barley weeds, such as fumitory, use Pixxaro at 0.375L/ha. Activity against polygonum species may be boosted by tank-mixing with a sulfonyl-urea herbicide such as Harmony® M. Pixxaro may also be used to control ALS resistant chickweed, as it contains fluroxypyr.
For information on approved and tested tank-mix compatibilities, please contact your local Corteva area manager or the technical hotline on 0800 689 8899, e-mail: ukhotline@corteva.com.
To view the Pixxaro weed spectrum and key technical information visit the product page here.
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Maximise your sugar beet yield
As drilling of sugar beet gets underway in some parts of the country, we wanted to update you about our range of solutions for sugar beet growers.
Our expanding range of solutions now includes:
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To read the full article on sugar beet solutions click here. Additionally, click here to view the above graphic and contents of this article at our dedicated sugar beet hub.
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Pioneer® winter oilseed rape hybrid range
At Corteva Agriscience, we have a selection of Pioneer® WOSR hybrids that have been extensively trialled across a variety of sites in the UK. See below for the range of key Pioneer hybrids available for 2024/2025.
- PT303: Protector® Sclerotinia, TuYV, Verticillium Stem Stripe, Phoma Rlm7.
- PT312: Protector® Sclerotinia, TuYV, Pod Shatter Tolerance, High Oil.
- PT315: Pod Shatter Resistance, TuYV, Phoma RlmE, High Oil.
- PT279CL: Clearfield®.
- PX131 (maximum semi-dward hybrid): TuYV, Pod Shatter.
For further information about Pioneer Oilseed Rape hybrids, visit the Pioneer hub here.
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Zorvec™ active stewardship in 2024
Preventing resistance, protecting produce
A program approach to disease control in potato crops is especially important due to how frequently fungicides have to be applied throughout the season. Each subsequent application of the same chemical group presents an opportunity for diseases to adapt and develop resistance.
Protecting the efficacy of existing fungicide active ingredients is becoming ever more important as bringing new products to market takes years, sometimes decades. Developing new active ingredients is an increasingly complex process, as scientists work to not only discover new modes of action, but to look for solutions that reduce environmental impact, meet marketplace needs and advance disease control. Regulatory review processes have become more rigorous, too, extending the time to gain approval. For these reasons, many farmers have found Zorvec™ active a welcome addition to their portfolio of fungicide solutions.
Steps for strong stewardship
We are now seeing resistance to Zorvec developing in some European countries. The use recommendations for products containing Zorvec, including Zorvec Endavia® and Zorvec Entecta™ in the UK, have been carefully designed to protect its durability in crop production. By following these recommendations, farmers can help ensure Zorvec, as well as other fungicides used in a program approach with it, continue to help manage oomycete diseases for the long term.
- Apply Zorvec products in strict alternation with effective chemistry of a different mode of action, other than CAA (benthiavalicarb, mandipropamid, dimethomorph).
- The post-Zorvec application interval to the following non-Zorvec containing spray should not exceed 7 days.
- In curative situations (disease evident or confirmed in local area) Zorvec co-formulations should be applied in tank-mix with a partner fungicide containing a curative active ingredient e.g., cymoxanil or propamocarb.
- Sprays containing Zorvec should not exceed 20% of the total number of sprays applied to a crop.
- 2 sprays per crop if the expected programme is less than 15 sprays.
- A single crop should not receive more than 3 spays containing Zorvec products.
- Whilst still available, tank-mixing Zorvec products with mancozeb is recommended.
Additional for seed crops & home saved seed
- Zorvec applications must always be applied with a full rate of a curative fungicide e.g. cymoxanil.
- A single crop should not receive more than 2 sprays containing Zorvec products and these 2 sprays should not exceed 20% of the total late blight programme.
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By using Zorvec in a responsible program approach, farmers can feel proud not only of the fields they harvest, but of playing an important role in stewarding technologies that help continue to make it possible.
Please refer to the FRAC-UK Potato Late Blight Guidelines and the Corteva stewardship pages for the most up-to-date guidance on resistance management.
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Instinct applications this Spring
With the wet and warmer than normal weather during March, and the cold weather in April, nitrosomonas bacteria in the soil will now be active (at about 7 degrees) and converting ammonium to nitrite. This means less ammonium will be available to hungry crops. The nitrite is then rapidly converted to nitrate within the nitrogen cycle.
Poorly growing crops will struggle to intercept sufficient nitrate for their development as it will be lost through leaching or lost to the atmosphere as nitrous oxide where soils are waterlogged.
There is also a risk for growers who are applying, or have recently applied, nitrogen as it is at risk from denitrification, as the wet and warm conditions continue.
Instinct® is a good option in these conditions to stabilise the ammonium and optimise yield potential of crops fertilised with ammonium containing fertilisers (such as slurry, digestate, UAN, AN, urea, etc) as it:
- Keeps more ammonium in the soil for longer.
- Reduces nitrogen escape into the environment.
- Regulates nitrate availability to crops.
- Compatible with a range of crop inputs such as herbicides, fungicides and liquid fertilisers.
Instinct (containing Optinyte™ technology), works by stabilising ammonium (NH4+). It slows down the process that converts ammonium to nitrite.
- The process can be slowed down for 10-12 weeks.
- It keeps more ammonium in the soil, for longer.
- The ammonium is not vulnerable to leaching from soil with rainfall, nor will it be converted to nitrous oxide in waterlogged soils.
- As more nitrogen is retained in the soil for longer, the yield potential of a crop is optimised, and environmental footprint reduced.
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Farmers invited to celebration of innovation at Corteva’s Cereals 2024 stand
We are really looking forward to being back at Cereals Event this year and seeing many of you there. Cereals 2024 visitors are invited to join a two-day celebration to mark Corteva's 5-year anniversary as a pure play agricultural company, dedicated to delivering the solutions farmers need to thrive. On the stand we will be showcasing our range of products and solutions available, while also looking at the company’s future pipeline of crop protection and seed products. Besides the usual barista coffee, pizza, and competitions to win great prizes, take a look at what you can expect to find on our stand here.
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Other news and useful updates
Ways to earn CPD points
We have several online training courses to support both farmers and agronomists with their continued professional development. Take a look at how you can earn CPD points with Corteva Agriscience here. You can also receive BASIS and/or NRoSO points by signing up to our other e-newsletters here.
Sustainability at Corteva
At Corteva Agriscience, we have a purpose to enrich lives together through sustainability. To achieve this we are delivering new tools and technologies to farmers, helping them solve farm- and field-level challenges. To read more about Corteva's sustainability performance and progress click here.
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Update your preferences and tailor your choices to make sure you receive the communications that are right for you. Don't forget to enter into our monthly prize draw by ticking the box before submitting to be in with the chance to win!
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Get in touch with our Hotline team
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Subscribing to Corteva Agriscience Arable Update gives eligibility for 2 CPD BASIS points and/or 2 NRoSO points annually. Sign up to this e-newsletter to receive the points.
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USE PLANT PROTECTION PRODUCTS SAFELY. Always read the label and product information before use. For further information including warning phrases and symbols refer to label. Corteva Agriscience UK Limited, CPC2 Capital Park, Fulbourn, Cambridge CB21 5XE. Tel: 01462 457272. ®, ™ Trademarks of Corteva Agriscience and its affiliated companies. All other brand names are trademarks of other manufacturers for which proprietary rights may exist. All manufacturers tradenames and trademarks are duly acknowledged. Pixxaro® EC contains fluroxypyr and halauxifen-methyl (Arylex™ active). Inatreq™ active contains fenpicoxamid. Univoq™ contains fenpicoxamid and prothioconazole. BlueN™ contains Methylobacterium symbioticum. Harmony® M SX® contains metsulfuron methyl and thifensulfuron methyl. It is a trademark of FMC AGRO LTD. Zorvec Endavia® contains benthiavalicarb and oxathiapiprolin. Zorvec Entecta™ contains amisulbrom and oxathiapiprolin. Korvetto® contains clopyralid and halauxifen-methyl (Arylex™ active). Shield Pro™ contains clopyralid. Instinct® contains nitrapyrin. Kinsidro® Grow+ contains Fulvic Acid, Humic Acid, Potassium Oxide (10%) Sodium Oxide (3.75%) Sulfur Trioxide (6.25%) Boron (0.04%) Cobalt (0.04%) Copper (0.04%) Manganese (0.04%) Molybdenum (0.005%) Zinc (0.05%).
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