Teagasc Crop Report

Update Number 11 2021

Update Number 11 2021

Wednesday 6th October 2021
(Updated Thursday 7th October 2021)
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Headlines

Headlines 

Crop Margins 2022

While many crops have performed very well in 2021 and resulted in significantly higher than normal returns to farmers, already we are seeing the prospects for the 2022 harvest being eroded by higher input costs, with fertiliser costs, in particular, showing very significant increases.  2022 Margins on most crops will be at least halved compared to 2021. Read more here

Post Emergence Weed Control in Winter Cereals

Many early crops have emerged at this stage and will soon need an application of a herbicide, however most crops are still being drilled and while a pre-emergence application would be advised most will not receive a herbicide until later in the month. Read more here

BYDV

Early sown crops at at risk this year as mean temperature in September 2021 at Teagasc Oak Park was 2.2 oC higher than the long term average (September 2021 15.4oC - LTA for September 13.2 oC).  Read more here

Winter Oilseed rape 

Estimations are the crop area has increased by 25-30% this year.  Crops range from 2 pairs of true leaves up to 8 pairs of true leaves with some of the early sown crops already having a GAI of over 1.5, especially where organic manures were applied. Follow up weed control and disease control may be warranted , Read more here 

Winter Beans 

The main benefit of winter beans when successfully established are an earlier harvest (7 - 10 days) and higher yield potential than spring beans.  However ground conditions at sowing and crow damage are the main reasons for the low area planted. Disease, especially chocolate spot can also be a challenge in wet seasons. Read more here

   

 


Crop Margins for 2022

Crop margins for 2022

While many crops have performed very well in 2021 and resulted in significantly higher than normal returns to farmers, already we are seeing the prospects for the 2022 harvest being eroded by higher input costs, with fertiliser costs, in particular, showing very significant increases. Farmers are strongly encouraged to carry out detailed financial analysis on the prospects their 2022 crops, before making commitments on land, fertilisers, seed etc. Cost increases currently being touted for fertiliser alone may make many crops or farms struggle to be economic depending on their yield potential, any projections made will need to be realistic based on  yield averages over the previous 4-5 years.

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Winter Oilseed Rape

Winter Oilseed Rape

Crops range from 2 pairs of true leaves up to 8 pairs of true leaves with some of the early sown crops already having a GAI of over 1.5, especially where organic manures were applied. 

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Post emergence weed control in winter cereals

Post Emergence Weed Control in Winter Cereals

Many early crops have emerged at this stage and will soon need an application of a herbicide, however most crops are still being drilled and while a pre-emergence application would be advised most will not receive a herbicide until later in the month.

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BYDV

BYDV

BYDV is a serious threat to autumn sown cereals where yield losses of 3.7t/ha has been recorded in Teagasc winter barley experiments. Early sown crops are at highest risk of infection.

Early sown crops at at risk this year as mean temperature in September 2021 at Teagasc Oak Park was 2.2 oC higher than the long term average (September 2021 15.4oC - LTA for September 13.2 oC). 

Teagasc has three 12.2m Suction towers running in Oakpark, Cork and Ashtown, recording daily flight of cereal aphids. It will take some time to establish whether numbers are high low or medium but the first grain aphid as captured in Oak Park 12.2m traps on 28th April 2020 and 28th May 2021, the last on 16th August 2020. 

The first Bird Cherry Oat aphid was captured in Oak Park traps on 4th April 2020 and 12th May 2021, flight ended on 29th November 2020. Monitoring is still ongoing for 2021.

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Winter Beans

Winter Beans

The area of winter beans in Ireland is small with 600ha planted for the 2021 harvest. Ground conditions at sowing and particularly crow damage are the main reasons for the low area planted. Disease, especially chocolate spot can also be a challenge in wet seasons.

The main benefit of winter beans when successfully established are an earlier harvest (7 - 10 days) and Teagasc research has shown that yield potential is higher than spring beans. Yield is normally more stable as winter beans tend to be more resilient to summer drought than spring beans. 

 

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