Letter | Published:

Infectivity of Summer Sporangia of Potato Wart Disease in Incipient Infections on Varieties Immune in the Field

Nature volume 134, page 253 (18 August 1934) | Download Citation

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Abstract

IT is known that a number of potato varieties which appear immune to wart disease (Synchytrium endobioticum) in the field develop incipient and transitory infections under the more intensive infection conditions in the laboratory. Investigation has shown that summer sporangia, and less often winter sporangia, are developed apparently normally until necrotic areas produced in the host interfere with the nutrition of the fungal parasite and cause it to be sloughed off, so that signs of infection disappear within a few weeks.

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  1. Rothamsted Experimental Station, Harpenden, Herts. July 19.

    • MARY D. GLYNNE

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DOI

https://doi.org/10.1038/134253a0

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