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#1
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Potatoes - Yellow & Brown Leaves
Hi all
I have 3 2m rows of early potatoes sowed about 2 weeks apart - sorry can't remember the variety. The rows are close (about 18"). All looked healthy until about 4 weeks ago The leaves of the older plants have yellowed with brown spotting. I have googled and find it may be iron, potassium, calcium deficiency - not clear which. We have dug 2 plants which yielded reasonable size, but low number of potatoes. Is there anything I can do at this late stage to recover the situation/improve the quality or volume of yield? The youngest row has not yet succumbed. TIA Phil |
#2
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Potatoes - Yellow & Brown Leaves
On Wed, 15 Jul 2009 09:02:06 +0100, "TheScullster"
wrote: Hi all I have 3 2m rows of early potatoes sowed about 2 weeks apart - sorry can't remember the variety. The rows are close (about 18"). All looked healthy until about 4 weeks ago The leaves of the older plants have yellowed with brown spotting. I have googled and find it may be iron, potassium, calcium deficiency - not clear which. We have dug 2 plants which yielded reasonable size, but low number of potatoes. Is there anything I can do at this late stage to recover the situation/improve the quality or volume of yield? The youngest row has not yet succumbed. TIA Phil Mine died because I sprayed stuff on them and don't know what it was. There's some right bobbly spuds come out though - someone said that was excess lime (didn't put any on) and someone else said it was blight and someone else said he has blight on the brain... (Spuds had some brown mushy bits on and were black underneath if you cut them...) -- http://www.freedeliveryuk.co.uk http://www.holidayunder100.co.uk |
#3
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Potatoes - Yellow & Brown Leaves
"TheScullster" wrote in
. uk: Hi all I have 3 2m rows of early potatoes sowed about 2 weeks apart - sorry can't remember the variety. The rows are close (about 18"). All looked healthy until about 4 weeks ago The leaves of the older plants have yellowed with brown spotting. I have googled and find it may be iron, potassium, calcium deficiency - not clear which. We have dug 2 plants which yielded reasonable size, but low number of potatoes. Is there anything I can do at this late stage to recover the situation/improve the quality or volume of yield? The youngest row has not yet succumbed. TIA Phil Could it be that the potatoes are ready to dig? My fathers potatoes were always as you describe, mine are too. Your youngest row would support this arguement. I think the theory is that foilage dies off to put all energy into maturing the potato, though the low yield you mention may be due to lack of nutrients THROUGHOUT their growing life ie: manuring/enriching soil prior to planting and feeding /watering regularly until harvest. I am only in my second year with potatoes, and my first year was not too successful so I manured a plot last autumn and left another plot without anything but water. The manured plot is about 5 times more successful, with more potatoes and MUCH earlier. I don't think you can remedy this situation now, but think of next year! I hope this helps you and good luck. Part_No |
#4
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Potatoes - Yellow & Brown Leaves
Part_No wrote:
"TheScullster" wrote in . uk: Hi all I have 3 2m rows of early potatoes sowed about 2 weeks apart - sorry can't remember the variety. The rows are close (about 18"). All looked healthy until about 4 weeks ago The leaves of the older plants have yellowed with brown spotting. I have googled and find it may be iron, potassium, calcium deficiency - not clear which. We have dug 2 plants which yielded reasonable size, but low number of potatoes. Is there anything I can do at this late stage to recover the situation/improve the quality or volume of yield? The youngest row has not yet succumbed. TIA Phil Could it be that the potatoes are ready to dig? My fathers potatoes were always as you describe, mine are too. Your youngest row would support this arguement. I think the theory is that foilage dies off to put all energy into maturing the potato, though the low yield you mention may be due to lack of nutrients THROUGHOUT their growing life ie: manuring/enriching soil prior to planting and feeding /watering regularly until harvest. I am only in my second year with potatoes, and my first year was not too successful so I manured a plot last autumn and left another plot without anything but water. The manured plot is about 5 times more successful, with more potatoes and MUCH earlier. I don't think you can remedy this situation now, but think of next year! I hope this helps you and good luck. Part_No One way to ascertain if it is likely to be blight is joint Bligh****ch ( /www.bligh****ch.co.uk ) if requested they will email you during the blight "season" and let you know if there is any in your area. So far mine is clear! :-) -- Please reply to group,emails to designated address are never read. |
#5
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Potatoes - Yellow & Brown Leaves
On Wed, 15 Jul 2009 16:03:40 +0100, Broadback wrote:
One way to ascertain if it is likely to be blight is joint Bligh****ch ( /www.bligh****ch.co.uk ) Yes, it's great fun registering because they ask how many acres of potatoes you are growing Working out what 50 square feet came to in acres was interesting to say the least. |
#6
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Potatoes - Yellow & Brown Leaves
Derek Turner wrote:
On Wed, 15 Jul 2009 16:03:40 +0100, Broadback wrote: One way to ascertain if it is likely to be blight is joint Bligh****ch ( /www.bligh****ch.co.uk ) Yes, it's great fun registering because they ask how many acres of potatoes you are growing Working out what 50 square feet came to in acres was interesting to say the least. Hmm.. better not ask about my tub then... g |
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