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We have some brown spots on our early potatoes (central France, where it has been very humid and wet, with unseasonably cool temperatures the last month).
Is this potato blight, and if so, what is the best course of action – pull all the plants regardless as to whether or not they have the brown spots, or leave the healthier ones in a while longer.
If we have to lift them as the best course of action, can I plant my butternut squash and melon in the same area (all no dig) immediately.
hope someone can help asap, thanks
Hi, not blight as i would recognise it. And if blight does hit i understand you remove the foliage at ground level and leave the tubers for a while.
(SW France here)
Yes it’s not blight, possibly old age, you need to say if they are first earlies, second earlies or maincrop.
If first early I would lift them and plant your new veg immediately.
If ever it were blight, you can still plant anything else after.Plus the advice about leaving tubers in the soil only applies to potatoes for storage.
The theory for that is so that blight spores which may be briefly alive in the soil do not infect tubers while lifting.
In practice I find it makes no difference and I lift to store immediately, just make sure potato skins are dry before placing in sacks.we lifted some of our potatoes recently and some of them have rotted from the middle (see photo) is this blight?
trying to upload file again as it failed.
No, again, not blight!! (which would be soft rotting from the outside)
though unsure what causes it, poss. a mineral deficiency. If only a few, not a major problem but I would check photos online
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