OSR flowering

Oilseed Rape

Make the unpredictable predictable

iOSR logo

iOSR

In light of the challenging oilseed rape market, last year we launched a new initiative called iOSR, focused on sharing insights from farmers, agronomists and industry experts to support more informed decisions for crop agronomy.

To read more about the project and hear from some of the growers involved visit: www.fginsight.com/iOSR. In addition, you can ask us questions and join iOSR discussions on Twitter by using #iOSR.

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Crop architecture manipulation helps maximise yield

  • Reducing crop height -> reduced lodging and less shading
  • Increased branching -> supports more pods
  • Shorter flowering period -> more light reaches the leaf

Shorter plants and greater branching with TOPREX sets oilseed rape plants up to capture more sunlight. More even crops flower over a shorter period, with less light reflecting from the yellow petals and more light reaching the green leaf.

TOPREX treated plants stand better through to harvest -> Faster combining; Reduced pod shatter; Less disease; Lower drying costs.

TOPREX OSR PGR timing

Tailor the timing of your PGR to your situation

Prioritise crops that are vigorous, tall/weak stemmed varieties, or in a high lodging risk situation.
Where it is not appropriate is in backward crops where the crop GAI (Green Area Index) is under 1.0 in March or 2.0 in April.

To make the most of the regulatory benefits of TOPREX ensure the crop has started to grow in the spring and is applied at the beginning of stem extension. Avoid the use of TOPREX in cold conditions, when the crop is not growing, as plant growth regulation may be reduced.

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How to Identify Sclerotinia in OSR

Sclerotinia risk

According to the AHDB, Sclerotinia infection risk is currently low, with crops mostly at early flower bud, and cool soil temperatures at most locations. However, crop stage and weather need to be monitored as the risk may change soon. The main flush of sclerotial germination is usually when soil temperatures reach approximately 8-10 degrees Celsius just below the surface, and also if the soil surface remains damp. A very few sclerotinia spores have already been detected in a Devon spore trap in early March, so germination has already occurred, but at low levels.

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Sclerotinia OSR

Keep your crop clean and green

Although it cannot be ignored, nationally Sclerotinia has only hit at damaging levels twice in the last ten years. In order to ensure a positive return on investment, it's crucial to select a flowering spray that will enhance greening and oil content.

No matter what this spring brings for disease pressure, the green leaf enhancement of AMISTAR is proven to give a positive return on your investment.

Year on year, margin returns from AMISTAR outperform other market standard fungicides.

AMISTAR formulation leaf cross-section

Formulation makes a difference

Oilseed rape has waxy leaves so product formulation is important to ensure active substance retention on the leaf and penetration of waxy layers to reach green tissue and deliver greening benefits.

Always choose Proven AMISTAR Technology for a reliable formulation to protect your crop.