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Spring Crop Disease Control and Spray Advice

Spring barley has experienced a tough spring and as a result, crops are looking well behind this time last year, due to wet cold weather. Normally at this time of year weed and wild oat sprays would be well underway or already applied but the weather has hindered this. Furthermore, some crop deficiencies are showing up outside the norm such as manganese and magnesium. The best advice I can give is to deal with this as a priority by considering an application of a trace element spray.

Dealing with Net Blotch

Weed and wild oat sprays have finally been dealt with but farmers need to look forward to applying first fungicide (T1), if not already underway. Net Blotch and Ryncho are my main concern for my farmers and I am seeing plenty of this at the moment. Proline and Helix will form the basis of this T1 application to get these diseases under control.

In particular instances where the presence of Net Blotch is high, farmers should consider using a Strobilurin (Strob).

The target for my farmers is to follow up with T2 fungicide spray before the month of June is out. This will ensure that farmers keep incidence of Ryncho and Net Blotch at bay whilst also protecting against incidence of Ramularia.

Spring Oats and Wheat

While the acreage of spring oats is not large, the priority in my area is that farmers get a growth regulator applied around this time. While most weed sprays have been applied, my advice is to take the opportunity to apply a fungicide (T1) along with the growth regulator to control crown rust and mildew. Oats is also very responsive to an application of manganese trace element whether or not a deficiency is evident.

The late spring did not help with planting of spring wheat and as result acreage is small. Where spring wheat has been planted, a growth regulator is priority. All weed and wild oat sprays have been applied at this stage.

Winter Barley and Wheat

There is not a lot of activity at the moment on Winter Oilseed Rape (WOSR) crops as all work has been completed and yield potential looks excellent.

Looking at winter barley hybrids and 6-rows, these crops are looking very well and should be on track for mid-July harvesting. I am seeing that they have the edge over 2-row crops in yield potential.

All winter wheat in my area has now received T2 application and the next spray will be T3 once crops are headed out and flowering begins. In general wheat crops look to be holding up very well against septoria and if things can stay this way, yield potential looks very good at this time.

Spring Beans and Maize

Spring beans are performing very well and all T1 sprays have been applied. Control of chocolate spot is now a priority for my bean farmers and they will need to receive at least 2 applications of fungicide well before the end of the month – first application at start of flowering (T1) and second three weeks later (T2).

A final observation on Maize and Beet crop plantings. Weed control is priority for the month of June on open sown Maize and Beet crops. Most Beet has received T1 and my advice to farmers is to move on with T2 application. If you have concerns about crop disease control you can ask one of our experts for advice.

  • Tags:
  • Agri
  • barley
  • beans
  • maize
  • net blotch
  • oats
  • spring wheat