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#1
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Seed Potatoes or last years leftovers?
I've lots of small potatoes left over from last years harvest that are
shooting nicely. What is the wisdom of using them in place of buying seed potatoes? Is there likely to be any downside to doing this? I vaguely recall doing this was the cause of the Irish potato famine, since none of their potatoes were resistant to blight because they never actually planted "seed" potatoes? As a point of interest are Scottish seed potatoes actually the result of growing potatoes from the seeds of potatoes? Norman Digger. |
#2
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Seed Potatoes or last years leftovers?
In message , Norman Digger
writes I've lots of small potatoes left over from last years harvest that are shooting nicely. What is the wisdom of using them in place of buying seed potatoes? Is there likely to be any downside to doing this? I vaguely recall doing this was the cause of the Irish potato famine, since none of their potatoes were resistant to blight because they never actually planted "seed" potatoes? As a point of interest are Scottish seed potatoes actually the result of growing potatoes from the seeds of potatoes? If you go back far enough all potatoes come from a seed, but the named cultivars are vegetatively propagated as tubers. The advantage of buying commercial seed potatoes, I'm informed, is that there is a lesser chance of tubers carrying pathogens. The Irish potato famine resulted, partially, from growing a monoculture of genetically undiverse potatoes, so one strain of blight could infect the whole crop. It seems to me that current commercial production is not that far different - 30% of the UK commercial crop is Maris Piper, which is a blight-susceptible variety. Norman Digger. -- Stewart Robert Hinsley |
#3
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Seed Potatoes or last years leftovers?
Stewart Robert Hinsley wrote:
: In message , Norman Digger : writes :: I've lots of small potatoes left over from last years harvest that :: are shooting nicely. What is the wisdom of using them in place of :: buying seed potatoes? Is there likely to be any downside to doing :: this? :: :: I vaguely recall doing this was the cause of the Irish potato :: famine, since none of their potatoes were resistant to blight :: because they never actually planted "seed" potatoes? :: As a point of interest are Scottish seed potatoes actually the :: result of growing potatoes from the seeds of potatoes? : : If you go back far enough all potatoes come from a seed, but the named : cultivars are vegetatively propagated as tubers. : : The advantage of buying commercial seed potatoes, I'm informed, is : that there is a lesser chance of tubers carrying pathogens. : : The Irish potato famine resulted, partially, from growing a : monoculture of genetically undiverse potatoes, so one strain of : blight could infect the whole crop. It seems to me that current : commercial production is not that far different - 30% of the UK : commercial crop is Maris Piper, which is a blight-susceptible variety. :: :: Norman Digger. I heard on GQT that Certified seed is grown above a certain altitude so that aphids cannot introduce disease |
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