. Fig. 52. Asparagus Diseases. a. Asparagus rust on stems, showing sori with winter spores, b. cluster cup stage of Puccinia asparagi, c. Uredo or summer spores of P. asparagi, d. Teleuto or winter spores of P. asparagi (6. to d. after R. E. Smith).


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Keywords: ., book, bookleafnumber415, bookpublishernewyorkdutton, bookyear1918