Nasty disease on my broad beans

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missmoneypenny

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Nasty disease on my broad beans
« on: July 13, 2017, 21:58 »
My autumn sowed beans (Bunyards Exhibition) were doing well, but then started to look sickly. Then it really got out of control with black, leathery looking pods (literally looked like they'd got bad frost bite) and leaves looking like they'd been munched back to the veins. One after the other I had to dig out and throw away the affected plants. All this happened during the heatwave down here in London. I was watering fairly regularly.
A quick Google search matched up the look  of the affected plants with  ascochyta fabae, a type of blight. Anyone else had this?

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Salmo

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Re: Nasty disease on my broad beans
« Reply #1 on: July 14, 2017, 20:54 »
Sounds like they ran out of water and decided to ripen. No pest, disease or deficiency involved.

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solway cropper

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Re: Nasty disease on my broad beans
« Reply #2 on: July 14, 2017, 23:02 »
I'd have thought that autumn sown beans would be well over by now. The first of my broadies was module sown in the greenhouse in March and planted out in April and they've finished now. As Salmo says, they possibly needed a bit more TLC.

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AnneB

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Re: Nasty disease on my broad beans
« Reply #3 on: July 15, 2017, 08:40 »
I'd have thought that autumn sown beans would be well over by now. The first of my broadies was module sown in the greenhouse in March and planted out in April and they've finished now. As Salmo says, they possibly needed a bit more TLC.
I think it may depend on the variety and where you are in the country.  My Wizard field beans were sown direct in the last week of October.  I would say I am at peak harvest time now, having picked a whole basket yesterday. They are still going strong.

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sunshineband

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Re: Nasty disease on my broad beans
« Reply #4 on: July 15, 2017, 09:02 »
I'd have thought that autumn sown beans would be well over by now. The first of my broadies was module sown in the greenhouse in March and planted out in April and they've finished now. As Salmo says, they possibly needed a bit more TLC.
I think it may depend on the variety and where you are in the country.  My Wizard field beans were sown direct in the last week of October.  I would say I am at peak harvest time now, having picked a whole basket yesterday. They are still going strong.

I agree. I am in the south and my wizard beans, sown in March, were harvested a couple of weeks back, and my friend's along the way are good to harvest now. Further would be later for sure

The OP in in the London area, so mostly I would have thought they would have cropped by now if Autumn sown.

However, having not heard of this particular disease, I looked it up and it seems (if I read it correctly) that is an Australian one......

..... so more likely missmoneypenny's beans have been dealt an environmental blow perhaps
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missmoneypenny

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Re: Nasty disease on my broad beans
« Reply #5 on: July 18, 2017, 22:28 »
Thanks everyone, I do think it's more than lack of water. I'm on holiday at the moment but when I get back I think my last plant, which was ok will have succumbed and I'll take a picture and post it . It did look a lot like the affected plants on an Australian website.

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Growster...

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Re: Nasty disease on my broad beans
« Reply #6 on: July 19, 2017, 06:41 »
How interesting!

Ours have mainly gone the same way, and the symptoms are identical!

Some of the beans turned out white too, and pretty well inedible!

Perhaps a dose of 'Fosters' might have cured them...

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oldgrunge

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Re: Nasty disease on my broad beans
« Reply #7 on: July 19, 2017, 20:17 »
Usually grow Bunyard's, but this year grew Imperial Long Pod. Spring sown, ( Gave up autumn sowing a few years ago). Mine seem to have gone through something similar to yours missmoneypenny. The leaves were badly nibbled, and the first lot of pods were shrivelled and black. I put it down to the hot, dry weather, but you could have something there, with blight. Have had a small crop, worst for many years.
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rowlandwells

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Re: Nasty disease on my broad beans
« Reply #8 on: July 24, 2017, 21:53 »
we always grow green broad beans on the allotment either imperial green Windsor or masterpiece green longpod all seed bench raised

the first beans bench raised where  planted out when harvested there where some beans marked inside the pods but the outer pods where not marked and no blackfly infestation so quite a good result however the next bean crop bench raised about 3 weeks later and harvested last week had quite a few beans marked and yes the pods where slightly marked two  not the crop we expected although this didn't effect the taste there where quite a few beans wasted

maybe it was the dry spell that caused this or some sort of bean disease not sure but the beans will be on another plot next season as part of my crop rotation so it will interesting to note how those crop on fresh ground


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