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. Fig. 10". — Venturia {Fusicladium) dendritic am 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 by a stroma of pseudopai-enchyma bearing conidiophores and conidia. (v. Tubeuf del.) with warty prominences which grow on spots of leaf or fruit (Fig. 107). The perithecia (as yet described) are distinguished by black bristles surrounding the pore, and occur on fallen leaves. The asci contain eight greenish ovoid spores with two or three cells. In add
. Fig. 10". — Venturia {Fusicladium) dendritic am 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 by a stroma of pseudopai-enchyma bearing conidiophores and conidia. (v. Tubeuf del.) with warty prominences which grow on spots of leaf or fruit (Fig. 107). The perithecia (as yet described) are distinguished by black bristles surrounding the pore, and occur on fallen leaves. The asci contain eight greenish ovoid spores with two or three cells. In addition to the injury to leaves and destruction of young fruit, the disfiguration of the apples is a cause of considerable monetary loss. Dilute Bordeaux or copper sulphate mixture applied before the opening of buds, and once or twice after
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi