. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 420.—Alter- n a r i a. Spores and spore-bear- ing stalks. Af- ter van Fig. 421.—A. dianthi. S, Mycelium showing branching and septation. 4> Showing my- celium below stoma and hyphs emerging through the stoma. S, Showing catenu- late spores as borne upon hyphs. 6, Spores showing shape, septation and catenulation. 7, A young cluster of hyphse. 8, An older cluster of hyphse. After Stevens and Hall. reddish-brown margin, covering half the leaflet or less; hyphae brown, septate, 5-7 n in diameter; conidiophores erect, tuf
. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 420.—Alter- n a r i a. Spores and spore-bear- ing stalks. Af- ter van Fig. 421.—A. dianthi. S, Mycelium showing branching and septation. 4> Showing my- celium below stoma and hyphs emerging through the stoma. S, Showing catenu- late spores as borne upon hyphs. 6, Spores showing shape, septation and catenulation. 7, A young cluster of hyphse. 8, An older cluster of hyphse. After Stevens and Hall. reddish-brown margin, covering half the leaflet or less; hyphae brown, septate, 5-7 n in diameter; conidiophores erect, tufted, somewhat irregular, especially at the tips, brown,, septate, 100- 120 X 5-6 m; conidia brown, in chains of 5 or 6, elliptic to oblong, 45-65 X 15-20 fi. On ginseng causing leaf blight. A. dianthi S. & H.^" Spots epiphyllous, ashen-white, definite, circular. Conidiophores cespitose from stomata, amphigenous, dark-brown, 1 to 4-septate, erect, 1-25 from a stoma; conidia 26-123 x 10-20 n, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
