Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] CLADOSPORIUM 471 stem of diseased plants. The young fruit is also sometimes attacked. The fungus is Cladosporiiim fiilvum (Cke.) The conidiophores are densely crowded, and emerge through the cuticle in clusters. They are usually sparingly branched, septate, and nodulose, bearing a few conidia near the apex, tinged brown; conidia elliptic-oblong, i-septate, translucent, tawny-brown, 10-20X4-6 /x. Spray with a dilute solution of potassium sulphide, or with Fig. 140. — Cladospor
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] CLADOSPORIUM 471 stem of diseased plants. The young fruit is also sometimes attacked. The fungus is Cladosporiiim fiilvum (Cke.) The conidiophores are densely crowded, and emerge through the cuticle in clusters. They are usually sparingly branched, septate, and nodulose, bearing a few conidia near the apex, tinged brown; conidia elliptic-oblong, i-septate, translucent, tawny-brown, 10-20X4-6 /x. Spray with a dilute solution of potassium sulphide, or with Fig. 140. — Cladosporinmfulvum. i, under surface of a diseased leaf; 2, a cluster of conidiophores bearing conidia, highly mag, half Strength Bordeaux mixture. Spraying, however, is cl but little use unless commenced at an early stage of the dis- ease. Remove and burn plants that are badly diseased, as the spores diffuse quickly, and an epidemic that cannot be checked is the result of negligence. Gummosis of Prunus japonica {Cladosporium epiphylbun, Fr.) either killed or severely injured a considerable number of examples of the beautiful flowering shrub, Primus japonica, growing in Kew Gardens. The injury was of the nature
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