RMMCK66E–. Fig. 312.— Ventv.rin (Fusicladium) dendriticum forming brown .spots on an apple ; those still in the earlier stages have a radiate margin and bear conidia. The enlarged section shows two rows of large-celled parenchyma of the apple, covered bv a stroma of pseudoparenchyma bearing conidiophores and conidia. (v. Tubeu'f del.) F. pirinum (Lib.) (U.S. America). This is a cause of " spotting" on leaves and fruits of the pear, also of species of Crataegus and Amektnchia The conidial patclies are brownish in colour. Peglion states that this parasite forms sclerotia in the bark of twigs.
RM2CDKRHJ–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . its utilisationby the fruit. Fusicladium dendriticum, afungus, is also probably present. Cut thebranches back in autumn. PiCEA Shoots Diseased : J. R. We cannot seeeither insect or fungus. Is the drainageright, or is the tree suffering from the droughtof the last few jears P Potato Disease : W. H. Spray with Bordeaux-mixture, which may check if it cannot cure themalady. See Calendar of Garden Operations, tobe had from our Publisher for 7JcL, post free. Plum Shoots Diseased ; Savoir. Silver-leaf,due
RMD03PMB–APPLE SCAB (VENTURIA INAEQUALIS) A FUNGUS ON STAYMAN WINESAP APPLE
RMT1GWMX–Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Tropical Fruits 147 brown decayed areas. In older stages, masses of salmon- colored spores are visible over the decayed areas. The entire fruit at length becomes rotten, wrinkled, and shrunken. Algal leaf-spot (Cephaleuros virescens) is common. LOQUAT Scab {Fusicladium dendriticum (Wallr.) FcL, var. erioho- tryce Scalia.). — In the western part of California scab is reported as serious upon both fruit and leaves. MANGO Anthracnose ' '' (Colletotrichuingloeosporioides Penz.).— This rot of the frui
RM2CDD6A8–. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . CO C•AU n< a QH so M PQ o< I-!O Oh < Ph FUNGI AFFECTING THE APPLE The Apple Scab Fusicladium dendriticum There is, jorobably, no fungous disease of fruits sofamiliar to the general public as the apple scab, or, as itis sometimes called, the black spot. This is due to a fungus which produces the well-known scabby spots upon thefruit, and also attacks the leavesand green shoots. It first ap-pears upon the leaves in theshape of smoky greenish spots,
RMD03PN7–APPLE SCAB (VENTURIA INAEQUALIS) A FUNGUS ON STAYMAN WINESAP APPLE
RM2CDD8XA–. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . FIG. 10. METHOD OF SPKAYIXG BUSHES. A fuller discussion of the subject of spraying willbe found in the authors little manual entitled S])rayingCrops. I^J^I^T I Fungi affecting Orchard Fruits. CO C•AU n< a QH so M PQ o< I-!O Oh < Ph FUNGI AFFECTING THE APPLE The Apple Scab Fusicladium dendriticum There is, jorobably, no fungous disease of fruits sofamiliar to the general public as the apple scab, or, as itis sometimes called, the black spot. This
RMD03PK6–APPLE SCAB (VENTURIA INAEQUALIS) A FUNGUS ON STAYMAN WINESAP APPLE
RM2AN3G92–Fungi, Ascomycetes, Ustilaginales, Uredinales . The species grouped under Fusicladium amongthe I lyphomycetes are in some cases conidial forms of this genus. Theconidia are two-celled, borne on short conidiophores arranged in groups;/-. dendriticum is the cause of scab or black-spot on apples, and /?. Pyrinumof a similar disease on pears. 11 l62 PYRENOMYCETES [CH. Leptospliaeria includes some 500 species characterized by the papillateor conical ostiole, usually free from hairs. The majority are saprophytes onplant remains, some are parasites on land plants, and some on the RedAlgae. L. Lemanea
RMD03PHW–APPLE SCAB (VENTURIA INAEQUALIS) A FUNGUS ON STAYMAN WINESAP APPLE
RMRCDPNY–. Diseases of economic plants. Plant diseases. Tropical Fruits 147 brown decayed areas. In older stages, masses of salmon- colored spores are visible over the decayed areas. The entire fruit at length becomes rotten, wrinkled, and shrunken. Algal leaf-spot (Cephaleuros virescens) is common. LOQUAT Scab {Fusicladium dendriticum (Wallr.) FcL, var. erioho- tryce Scalia.). — In the western part of California scab is reported as serious upon both fruit and leaves. MANGO Anthracnose ^^^' ^""^ (Colletotrichuingloeosporioides Penz.).— This rot of the fruit, flowers, and leaves resembles bitt
RMRCC6J4–. Diseases of economic plants. Plant diseases. Tropical Fruits 147 brown decayed areas. In older stages, masses of salmon- colored spores are visible over the decayed areas. The entire fruit at length becomes rotten, wrinkled, and shrunken. Algal leaf-spot {Cephaleuros virescens) is common. LOQUAT Scab (Fusicladium dendriticum (Wallr.) Fcl., var. eriobo- trycB Scalia.). — In the western part of California scab is reported as serious upon both fruit and leaves. MANGO Anthracnose ^^^- ^'^^ (Colletotrichum glceosporioides Penz.).— This rot of the fruit, flowers, and leaves resembles bitter-rot of
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