Summary
The pollen of four varieties of potatoes has been stored successfully at −20° C. (−4° F.) for eleven months. The viability of this stored pollen was tested by using it to make crosses. The stored pollen produced when used in hybridizations, as many seeds per berry as fresh pollen.
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Howard, H.W. The storage of potato pollen. American Potato Journal 35, 676–678 (1958). https://doi.org/10.1007/BF02855448
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DOI: https://doi.org/10.1007/BF02855448