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When will the csfb larvae pupate?

Discussion in 'Cropping' started by Flat 10, Feb 12, 2019.

  1. Flat 10

    Flat 10 Member

    Location:
    Fen Edge
    And leave my Osr plants and go into the soil? End March? Some are pretty big now!
     
  2. Brisel

    Brisel Member

    Location:
    Dorset
  3. crop looks dire here. fantastic in autumn its now brown and stuffed with larvae. never seen so many, really cant see it performing. To think some get 6.7t/ha ?
     
    Against_the_grain and Flat 10 like this.
  4. Flat 10

    Flat 10 Member

    Location:
    Fen Edge
    So does mine. I would be chuffed get half of that number at the moment
     
  5. Flat 10

    Flat 10 Member

    Location:
    Fen Edge
  6. Brisel

    Brisel Member

    Location:
    Dorset
    Mine has perked up in the last week, with new leaves emerging and the buds visible in the growing point. I do hope it doesn't do this:

    [​IMG]
     
    Flat 10 likes this.
  7. Against_the_grain

    Location:
    Colchester
    Loads of larvae here. Loss of neonics and now metaldahyde mean I am going to admit defeat and give them what they want which is to stop growing osr.
     
    Fromebridge likes this.
  8. robbie

    robbie Member

    Location:
    the brecks norfolk
    I haven't got masses of larvae but you can find some but what i have noticed is that a lot of the smaller ones have died and only the odd big one is still alive, I assume it's the frosts that have done the business.

    As for the look of my rape it's gone brown and yukky looking but it's now moving on with new growth.
     
    Brisel likes this.
  9. robbie

    robbie Member

    Location:
    the brecks norfolk
    Is it normal to see flee beetle adults at this time of year???
    While on my hands and knees today looking at larvae damage I saw a beetle jump from the plant I touched, when I looked closer and moved other plants I saw his friends jumping about.
     
  10. Fromebridge

    Fromebridge Member

    Location:
    Glos
    Where pests are concerned, there are no rules anymore.
     

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