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In this edition
- Focus on spring barley weed control with Arylex™
- Robust chemistry needed at the T2 fungicide timing
- Inatreq™ best practice application advice
- Overview of Pioneer WOSR hybrids
- Our 2024 Pioneer hybrid winter oilseed rape guide is out now!
- Pioneer PT303/Belkar® €200 cashback offer – register today
- Maximise your yield with BlueN™
- Zorvec™ active stewardship in 2024
- See you at Cereals Event 2024 – see what’s on offer on our stand
- Other news and useful updates
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Focus on spring barley weed control with Arylex™
Most spring barley crops have now emerged and to date, few have received herbicide for grass or broad-leaved weed control. Additionally, many growers are considering just a single fungicide application on the later drilled crops, due to their lower potential.
As temperatures rise, spring barley will race through the growth stages, so growers should be ready to take out weeds early to prevent any competitive effect on already potentially reduced yield potential.
Product choice and application timing are two important decisions that farmers will need to consider, and growers should plan a robust BLW control program.
Arylex™ active (found in Zypar® and Pixxaro®) can be applied from three leaves of the crop up to GS45, with a wide range of tank mix options.
Both products deliver outstanding control of difficult weeds found in spring barley such as cleavers, poppies, cranesbill, chickweed, black-bindweed and of course the Achilles heel of sulfonyl-urea chemistry – Fumitory.
To maximise your BLW control:
- Apply Zypar at up to 1l/ha for robust control of difficult BLW’s.
- To boost activity on polygonum species, tank-mix Zypar with a sulfonyl-urea herbicide such as Cameo Max.
- If targeting ALS resistant chickweed, a common problem in Ireland, Pixxaro at 0.5l/ha. would be the better option because it contains fluroxypyr.
- Both products have excellent activity against cleavers, cranesbill and fumitory.
- Following crop choices are not limited by the use of Arylex products either, giving growers the greatest choice of planting options the following autumn, with no cultivation restrictions.
Zypar product information can be found here and Pixxaro product information here .
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Robust chemistry needed at the T2 fungicide timing
With many T2 applications now pushing onto a late calendar timing and gaps between T1 and T2 sprays varying, the choice of T2 wheat fungicide is critical. With crop prices firming and the weather driving disease levels up, it is critical to choose a reliable T2 fungicide option.
For the past three years, independent AHDB trials have shown that Corteva’s Univoq™ fungicide is the most effective product available in Ireland for the control of septoria in wheat.
It is available for the first time in Ireland this year and packaged in a single bottle for ease of use.
Containing Inatreq™ active with prothioconazole, and strengthened by Corteva’s patented IQ-4 formulation, Univoq has provided the best curative activity against wheat’s most damaging disease, putting it ahead of other broad-spectrum fungicides.
Univoq is also effective against rusts, which are likely to be prevalent in later-drilled crops this year.
To help tackle the season’s challenges, Corteva experts advise growers use fungicide chemistry with both protectant and curative qualities.
“Univoq has proven its ability to deliver curative and preventative persistence against yield-robbing diseases, including following wet springs in circumstances similar to what we are facing today.” Liz Glynn says.
Predominantly used at the T2 fungicide timing when the flag leaf fully is emerged to elicit the greatest possible yield response, Univoq helps contain latent disease and protect the crop for the following four-to-six weeks.
A standard application of Univoq at the T2 timing is recommended at 1.5l/ha to 1.75l/ha. Univoq should always be applied with a multisite such a folpet.
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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. Visit www.corteva.ie/inatreqadvice for more information.
Video highlight: With 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 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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Overview of Pioneer WOSR hybrids
At Corteva Agriscience, we have a selection of Pioneer® WOSR hybrids that have been extensively trialed across a variety of sites. 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-Dwarf hybrid): TuYV, Pod Shatter.
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Our 2024 Pioneer hybrid winter oilseed rape guide is out now!
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Click here to view the digital version of the WOSR guide and discover more about PT303 and our other hybrids.
We are pleased to present our annual Pioneer Hybrid Range WOSR guide. This handy guide summarises all of our hybrids, including PT303 Protector® Sclerotinia which is the first hybrid offered to Irish growers with a claim for Sclerotinia tolerance. Its impressive disease package includes TuYV resistance, partial resistance to verticillium stem stripe and a score of 7 for light leaf spot and 6 for phoma.
It’s proven its reliability with a gross output of 101% on this year’s AHDB Recommended List. And with its yields achieved in years when cabbage stem flea beetle activity was very high across much of the UK, PT303 has further proven its ability to deliver. This season, choose the Ireland's all-round top performer.
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For further information about Pioneer Oilseed Rape hybrids, visit the Pioneer hub here.
The sole Irish supplier of our oilseed rape varieties are Drummonds.
Visit drummondsireland.com, or contact a representative: Brendan Reilly 353 87 259 8338; Brian Reilly 353 87 600 4800 for further information.
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Pioneer PT303/Belkar® €200 cashback offer – register today
We are once again running our OSR Offer to help you maximise the potential of your oilseed rape crop. We will be offering €200 cashback to anyone that purchases Protector Sclerotinia tolerant hybrid, PT303 and Belkar herbicide for the 2024/25 growing season. Anyone taking part in the offer will be eligible for a one-off payment of €200 if purchase is made before 1st November 2024 and a claim is submitted using the online form by 15th November 2024*.
Click here to find out more and register your interest.
*Terms and conditions apply.
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Maximise your yield with BlueN™
With challenging weather conditions so far, the window for drilling and planting potatoes and maize has been extended. Consider applying BlueN to boost nitrogen efficiency in these crops and improve yield potential.
BlueN contains a naturally occurring bacteria, Methylobacterium symbioticum, that will fix nitrogen from the atmosphere and convert it into ammonium fertiliser in the plant. Meta data analysis from potatoes and maize has shown that an application of BlueN on top of the planned nitrogen programme has produced considerable yield benefits overall. See below example of data on potatoes:
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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 Entecta™, 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 programme approach with it, continue to help manage oomycete diseases for the long term.
Here are the best use guidelines for Zorvec containing products in 2024:
- 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.
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.
By using Zorvec in a responsible programme 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.
Corteva strongly advise following the 2024 application advice when recommending and applying Zorvec products. View the full application advice here or click the below graphic.
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See you at Cereals Event 2024 – see what’s on offer on our stand
We're looking forward to welcoming everyone onto the Corteva stand 612 at Cereals Event 2024. Visit us for information on our latest innovations, great hospitality, a chance to win in our cereals prize draw, CPD points and more. Read the full press release to find out more. Alternatively, hear from Alex Nichols, Marketing Manager at Corteva UK and Ireland, for more on what to expect on the Corteva stand here.
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Other news and useful updates
Earn IASIS points through Corteva
Discover our range of cereal herbicides and learn about the discovery, mode of action, symptomology, key products and main uses in agriculture of each key active ingredient through our online training course and earn CPD points. Find out more 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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If you need technical advice or support, we're here to help
You can also visit our website www.corteva.ie for product information, labels and advice.
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10 IASIS points will be awarded to those subscribing to this Agronomy Update.
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Use plant protection products safely. Always read the label and product information before use. PAY ATTENTION TO THE RISK INDICATIONS AND FOLLOW THE SAFETY PRECAUTIONS ON THE LABEL. Triple Rinse Containers and Invert to Dry at Time of Use. For further information including warning phrases and symbols refer to label. ®, ™ 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. Arylex™ active contains halauxifen-methyl. Belkar® contains halauxifen-methyl (Arylex™ active) and picloram. BlueN™ contains Methylobacterium symbioticum. Inatreq™ active contains fenpicoxamid. Pixxaro® EC contains fluroxypyr and halauxifen-methyl (Arylex™ active). Univoq™ contains fenpicoxamid and prothioconazole. Zorvec Entecta™ contains amisulbrom and oxathiapiprolin. Zypar® contains florasulam and halauxifen-methyl (Arylex™ active).
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