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In the August edition
- Protect your potato crop from late blight with Zorvec™
- 2023 PACTS results
- Autumn weed control in oilseed rape
- Oilseed rape herbicides water stewardship
- Don't forget to register for our €200 OSR Offer
- 2023 Inatreq™ Stewardship Support Offer
- Technical hotline contact details
- IASIS points
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Protect your potato crop from late blight with Zorvec™
Blight warnings continue to be very high in many regions, extending the favourable conditions for late blight. Concern is growing as the weather both increases the risk of disease development and puts pressure on spray intervals.
Situation as it stands:
- Late blight outbreaks observed in most regions.
- In many areas ground may not permit travel with full tanks, so spraying may take longer.
- Currently, many continue to try and spray crops, grappling with potentially stretched spray intervals due to weather.
- Potato late blight is active in most areas; keep an eye on Blight Forecast supplied by Met Eireann and be prepared for your area https://www.met.ie/forecasts/blight-forecast
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Zorvec™ active is unsurpassed in controlling late blight. It provides security and flexibility by offering an unrivalled combination of consistency and control to help you grow a better crop, even under the most challenging environmental conditions. Watch our 2023 potato technical update to learn more about the benefits of our Zorvec offerings, Zorvec Entecta™ and Zorvec Endavia®.
Upcoming potato shows and events where you'll find us:
Eurofins Potato Blight Event on 5 September 2023
Craig Chisholm, Amy Bere and Becky Hilton will be on-site to show you our trials. Watch Craig's short update from 8 August 2023 here.
British Potato Event in Harrogate on 22-23 November 2023
Once every two years the whole of the Potato Industry comes together for this unique 'seed to shopping trolley' event. Corteva will once again be exhibiting at BP2023 and look forward to seeing you there.
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Other industry events:
Potato Blight Workshop 5 September 2023
H osted by Teagasc, the day will include a look through the current blight trials where different products are being compared, and a discussion on the current strains. Find out more here.
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2023 PACTS results
Two of our 2023 PACTS trials sites have now been harvested and have generated some great results for the selected Pioneer WOSR hybrids tested; both of which are new for 2023.
PT312 - provides a very high gross output yield with a very high oil content. It combines sclerotinia tolerance and turnip yellows virus resistance.
PT315 - provides a very high gross output yield with a very high oil content, pod shatter resistance and turnip yellows virus resistance.
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Find out more about Corteva's OSR hybrids here.
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Autumn weed control in oilseed rape
Harvest is underway, as is some oilseed rape drilling. With a lot of rain around, conditions should be good to get oilseed rape established. With the warm and wet weather, conditions will also be good for weeds to grow. Switching from a preventative to reactive autumn strategy allows growers to decide on their herbicide spend after assessing the visible weed pressure plus the impact of pests.
Targeting cleavers, cranesbill, poppy, shepherds purse and fumitory, Belkar® herbicide offers an alternative to traditional approaches which rely on pre-emergence control. Belkar is a post-emergence product which allows growers to see the crop establish before deciding on their herbicide investment. It means they can tackle what is visible, and not spend on herbicides before they know how well the crop is going to emerge. It has a wide application rate up to BBCH GS21 making it the ideal autumn herbicide.
There are three treatment options which Corteva says have performed best in trials.
- At two true leaves, an application at 0.25l/ha will take out the weeds which have germinated alongside the crop and, in some circumstances, that will be enough broad-leaved control before an application of Astrokerb® (propyzamide + aminopyralid) or similar later on.
- In high weed pressure situations where a second germination is visible, growers have the option of a second 0.25l/ha spray two-to-four weeks after the first application.
- Depending on workloads, growers can wait until six true leaves of the crop to tackle bigger weeds at a rate of 0.5l/ha which will take care of the weeds going into the autumn.
Corteva’s range of herbicides give the opportunity to have a reliable, flexible and robust herbicide programme across a wide spectrum of weeds. They can fit into a programme based on the season and target weeds. Watch our video to learn more about Belkar.
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Oilseed rape herbicides water stewardship
As we mentioned in our July Arable Update, consideration into the position, aspect and layout of your next oilseed rape field will pay dividends in season by mitigating the risk of herbicide run off into watercourses in the event of heavy rainfall. Aim to grow your oilseed rape on low-risk fields. Those that don’t slope to a watercourse are less susceptible to run-off or alternatively, select a field further away from a watercourse.
Consider appropriate establishment, direction of working travel, soil type and topography. Be aware of field drains, lay out tramlines so that they do not provide a direct route for water to leave the field. Disturb the surface compaction in the tramlines if possible. Buffer zones next to watercourses reduce run-off and soil particles that may contain pesticides reaching watercourses. The Voluntary Initiative recommends a 6m buffer along watercourses if possible. Wider buffers are advisable in particularly vulnerable areas.
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Don't forget to register for our €200 OSR Offer
We are once again running our OSR Offer to help you maximise the potential of your oilseed rape crop. This year, we will be offering €200 cashback to anyone that purchases Protector® Sclerotinia tolerant hybrid, PT303 and Belkar® herbicide for the 2023/24 growing season. Anyone taking part in the offer will be eligible for a one-off payment of €200 if they make a purchase before 1st November 2023 and submit a claim form by 15th November 2023*. Click here to find out more and register your interest.
*Terms and conditions apply.
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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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2023 InatreqTM Stewardship Support Offer
In recognition that changing sprayer parts does carry a cost, Corteva are offering a goodwill gesture of €200 towards the cost of sprayer parts purchased in conjunction with products containing Inatreq™ fungicide.
The offer is limited to the first 500 successful claims made before the closing date of 31 August 2023. Click here to learn more about the offer and submit your claim.
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If you need technical advice or support, we’re here to help.
Keep up to date by following us on Twitter and Facebook.
Search for @CortevaIE or click below to like and follow.
You can also follow Liz on Twitter here.
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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. Belkar® contains halauxifen-methyl (Arylex™ active) and picloram. Inatreq™ active contains fenpicoxamid. Zorvec Endavia® contains benthiavalicarb and oxathiapiprolin. Zorvec Entecta™ contains amisulbrom and oxathiapiprolin. AstroKerb® contains propyzamide and aminopyralid.
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