. The fungi which cause plant disease . Plant diseases; Fungi. 604 THE FUNGI WHICH CAUSE PLANT DISEASE C. herbamm (Pers.) Lk. var. citricolum.^*' *-" Fawcett ^^^ recognizes this as the cause of scaly bark of Citrus. The fungus was grown in pure culture and inoculations were made resulting in from forty to sixty days in typical spots. From these the fungus was re-isolated. C. cucumerinum E. & A.^' ^s^-^" EfEused, maculose; in mass greyish-brown, changing to dark olivaceous, forming spots on fruits; condiophores cespitose, sparingly septate, simple, denticulate, pale; conidia ovoid
. The fungi which cause plant disease . Plant diseases; Fungi. 604 THE FUNGI WHICH CAUSE PLANT DISEASE C. herbamm (Pers.) Lk. var. citricolum.^*' *-" Fawcett ^^^ recognizes this as the cause of scaly bark of Citrus. The fungus was grown in pure culture and inoculations were made resulting in from forty to sixty days in typical spots. From these the fungus was re-isolated. C. cucumerinum E. & A.^' ^s^-^" EfEused, maculose; in mass greyish-brown, changing to dark olivaceous, forming spots on fruits; condiophores cespitose, sparingly septate, simple, denticulate, pale; conidia ovoid, lemon- shaped or fusoid; olivaceous, 10-13 x 3-4 /i. It causes watery spots on cucumber leaves, also decayed spots in fruit. C. elegans Penz. is the cause of disease on various kinds of oranges in Italy. This species is in the literature much confused with the next. *''288-291 Conidiophores tufted, erect, branched, septate, brown, 30-75 X 2-4 p.; conidia fusiform, dusky, continuous, or 1 to 3-septate, 8-9 X n. The cause of scab on lemons, sour oranges, satsumas and pom- elos. It was grown in artificial culture by Fawcett. C. carpophilum «' '^^'^'- «» Spots orbicular, often confluent, blackish-green, forming circles; conidiophores erect, simple, sinuous, septate; conidia ovate, obtuse, continuous or 1-septate, 10-12 x 4-6 n. This is the cause of the widely distributed scab of peach, plum, nectarine, apricot, cherry. The deep olive-brown hyphae are found intermingled with the hairs of the peach. The disease was first noted in Austria in 1877. The fungus was cultured carpophilum.' and inoculations were made by Chester.^^* After Cobb. j^ ^j^g ^^g ^j^g fungus breaks the cuticle from the layers below and its hyphse project through cracks. Upon the leaf it causes shot holes. C. sicophilum Far. attacks fig fruits. C. fulvum Cke.'2 Conidiophores densely crowded rupturing the cuticle, sparingly branched, septate, nodulose, bearing a few conidia near the apex;
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
