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Tomato leaves

Hi all,
So some of my tomatoes leaves I. The greenhouse have gone like the image attached. 
All the tomatoes in there are in grow bags and not all have gone this way.
outside ones are fine.
any ideas as to what it is?
thanks 

Posts

  • Pete.8Pete.8 Billericay, EssexPosts: 9,083
    It may be a spider mite infestation.
    They're not visible without a magnifying glass, but if you have one, look on the underside of the affected leaves and you may see the two-spot spider mite. They're also nearly transparent (which doesn't help) but you should be able to see the spots - like 2 eyes looking back at you 😱
    They also create tiny webs usually at the top of the plants.
    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
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