If you go in to AN past posts potatoes and growing them has come up often ,here in Thailand they are not easy , as for finding seed potatoes here in Thailand ,easier to find hens teeth just not available, just to hot ,and potatoes are susceptible to a lot of dieses ,I have tried twice to grow them put them in the ground with lots of compost ,that was the last I saw of them .
Only two weeks ago someone wrote about bringing in seeds from our own countries, to grow here, just will not work, I have tried it along with others no joy.
Even the potatoes you get from Macro Big C etc. or your local market as we do, they are not the same as our ones in our home countries what verity they are I do not know, I think ?? they are imported from China.
I use to work of a large arable farm in the UK and they put a sprout inhibiter on the crop before going into store, if it is still done, I do not know.