Journal of Agricultural Research . Journal of AgriculturalResearch Washington, D. C Five Molds and their Penetration into Wood Plate 2. Journal of Agricultural Research Washington, D. C. PLATE 2 A.—Sitka spruce inoculated with an unidentified mold, commonly found on thisspecies in nature. The mold mycelium, stained by the Berlin blue method, ap-peared as clear bright blue threads. Section cut near surface. B.—Sitka spruce attacked by Monilia sitophila. Note development of large myceliathreads. Section stained with gold chlorid, applied after a treatment of 5 hours withsodium acid sulphite. Sec
Journal of Agricultural Research . Journal of AgriculturalResearch Washington, D. C Five Molds and their Penetration into Wood Plate 2. Journal of Agricultural Research Washington, D. C. PLATE 2 A.—Sitka spruce inoculated with an unidentified mold, commonly found on thisspecies in nature. The mold mycelium, stained by the Berlin blue method, ap-peared as clear bright blue threads. Section cut near surface. B.—Sitka spruce attacked by Monilia sitophila. Note development of large myceliathreads. Section stained with gold chlorid, applied after a treatment of 5 hours withsodium acid sulphite. Section was in the gold solution 20 hovu-s. C.—Aspen attacked by Aspergillus niger. Infection confined chiefly to the section was soaked 6 hours in borax (an unnecessarily long time), and left in goldchlorid solution 173/3 hours. D.—Maple attacked by a wood-destroying fungus. Dilute silver nitrate used verysuccessfully as a stain. The wood appeared yellow and the fungus threads darkbrown. There was no trace of precipitate in this case. PLATE 3 A.—A white oak attacked by Monilia siiophila. Section stained with si
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