XXXXXXXXXXXXXXX WINTER WHEAT RGT XXX RGT ILLUSTRIOUS. GROWERS GUIDE - Agronomy - Nitrogen Calculation - Nitrogen Protocol

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1 XXXXXXXXXXXXXXX WINTER WHEAT RGT XXX RGT ILLUSTRIOUS GROWERS GUIDE - Agronomy - Nitrogen Calculation - Nitrogen Protocol

2 XXXXXXXXXXXXX WINTER WHEAT 1 NABIM GROUP QUALITY RGT XXXXX RGT ILLUSTRIOUS YIELD AGRONOMICS Maturity +2 Height 88 % Lodging + 8 % Lodging - [8] DISEASE RESISTANCE Septoria tritici 6 Eyespot 7@ Mildew 7 Yellow Rust 9 Brown Rust 8 OWBM - 100% Treated yield as % of treated controls. 100 UK East 101% AGRONOMICS West 101% 103 UK East West Untreated 90% RGT Illustrious RGT Skyfall Trinity Solstice Crusoe GRAIN QUALITY Protein Content 11.5 HFN 262 Specific Weight 77.4 LODGING (T) HEIGHT MILDEW YELLOW RUST BROWN RUST SEPTORIA TRITICI EYESPOT RGT ILLUSTRIOUS Trinity Solstice Crusoe FUSARIUM QUALITY PROTEIN CONTENT HFN SPECIFIC WEIGHT RGT ILLUSTRIOUS Trinity Solstice Crusoe Source: All data AHDB recommended list 2016/17

3 XXXXXXXXXXXXX GROUP 1 APPROVED Market Postition Newly recommended RGT Illustrious has already created a great deal of interest from millers because of its consistent baking performance over several very different growing seasons. AGRONOMY GUIDELINES Drilling Date RGT Illustrious is a slow developer in the autumn and is suitable for drilling from the second week of September up until the end of January. Regional Performance RGT Illustrious is best suited to the East/West regions of the UK and up into Yorkshire % of controls UK East West RGT Illustrious Source: All data AHDB recommended list 2016/17 Skyfall Trinity Crusoe Gallant Solstice

4 Rotational Performance RGT Illustrious performs relatively well as a second wheat, helped by its Pch1 eyespot resistance Yield as 2nd (t/ha) Solstice Gallant Crusoe RGT Illustrious Skyfall Trinity Yield as 1st (t/ha) Source: All data AHDB recommended list 2016/17 Soil Type In order to maximise output RGT Illustrious is better suited to heavier soils T/Ha Light Land Heavy Land RGT Illustrious Skyfall Trinity Crusoe Gallant Source: Agrii 2105

5 Disease Resistance and Straw Strength RGT Illustrious has the best combination of straw strength and disease resistance of all of the Group 1 varieties. It is one of the the tallest Group 1 varieties, but has good straw strength. RGT ILLUSTRIOUS SKYFALL TRINITY CRUSOE GALLANT SOLSTICE Resistance to lodging with PGR Resistance to lodging without PGR [8] DISEASE RESISTANCE Mildew Yellow Rust Brown Rust Septoria Tritici Eyespot Fusarium Ear Blight NITROGEN CALCULATIONS Nitrogen Calculations Calculate N Off-take in recent crops 1. Use recent crop records to calculate yield based on 100% dry matter e.g. Yield (t/ha ) = Yield x 1000 x ( 100- % moisture ) = 100% DM 2. Use recent grain protein content to calculate Grain N% % Protein/5.7 = Grain N% x 100% DM 3. Calculate N off-take in grain Kg of N in grain = Grain N% x 100% DM/ Calculate total N crop off-take ( based on 75% of N being in the grain and 25% is in the straw ) Total N off-take by crop = Kg of N in grain/0.75

6 HOW MUCH NITROGEN? How much Nitrogen to apply Example based on 10.4 t/ha: 1. Yield at moisture= 10.4 x 1000 x ( )= % DM 2. 13% protein = 13.0/5.7= 2.28% grain N 3. Kg of N in grain = 2.28 x 8840 /100 = 202 kg of N/ha 4. Kg of N off-take by crop = 202/0.75 = 269 kg/ha ( Total N off-take N from SMN in crop )/Uptake efficiency * ( 75%) Worked example: Assuming a medium soil, 25kg in the crop, a further 50kg from SMN and off-takes as above: 269kg/ha ( ) /75 x 100 = 259 kg of applied total N/ha *dependant on soil type ( refer to RB209 ) Please note that this information is only to be used as a guide. We recommend you consult with a FACTS registered agronomist or advisor. RAGT Seeds Ltd Grange Road Ickleton Essex CB10 1TA enquiries@ragt.fr