. Fig. 69. Sweet Pea Diseases. a Ranch of sweet pea houses, b. sick soil infected with Sclerotinia liber- tiana; notice the wilting and dying of the seedlings, c. some of the same soil steam sterilized resulting in a perfect stand, d. germinated sclerotia showing fruiting caps of 5". libertiana.


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920