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2019 Aphid numbers

 

>> Archive of 2018 Aphid numbers

​​​​​​​​​​​Winterton

T​his data shows aphid numbers up to week 35.​​ Trap samples are collected at the beginning of the week and are then sent to a laboratory where the aphids are sorted, identified and counted.  All aphids shown in these graphs are able to transmit Barley Yellow Dwarf Virus. The sensitive period for the wheat crop in Winterton is indicated by the red line on the x axis of each graph which is shown in weeks.  Aphid numbers above 100 could indicate possible problems for the specific area.

  

Brits
T​his data shows aphid numbers up to week 36. Trap samples are collected at the beginning of the week and are then sent to a laboratory where the aphids are sorted, identified and counted.  All aphids shown in these graphs are able to transmit Barley Yellow Dwarf Virus. The sensitive period for the wheat crop in Brits is indicated by the red line on the x axis of each graph which is shown in weeks.  Aphid numbers above 100 could indicate possible problems f​​or the specific area. 


 

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