. Fruits, vegetables and flowers, a non-technical manual for their culture. age rots. The disease alsoattacks the leaves andtwigs, causing a moreor less thick, velvet-like covering, varyingin color from olive-green to black. Treatment.—Spraywith concentrated lime-sulphur (5 quarts in 50gallons of water) orBordeaux mixtm-e whenthe pink shows, butjust before the blossomopens. Blotch (Phyllostictasolitaria, Ell. and Ev.).—This disease causesdark, irregular blotcheson the fruit and, whensevere, causes a crack-ing. In the older spotsa number of small,black, fruiting dots areformed. It also attacks
. Fruits, vegetables and flowers, a non-technical manual for their culture. age rots. The disease alsoattacks the leaves andtwigs, causing a moreor less thick, velvet-like covering, varyingin color from olive-green to black. Treatment.—Spraywith concentrated lime-sulphur (5 quarts in 50gallons of water) orBordeaux mixtm-e whenthe pink shows, butjust before the blossomopens. Blotch (Phyllostictasolitaria, Ell. and Ev.).—This disease causesdark, irregular blotcheson the fruit and, whensevere, causes a crack-ing. In the older spotsa number of small,black, fruiting dots areformed. It also attacks the twigs, causing small tan-colored the old cankers the bark becomes cracked and roughened. Treatment.—Spray with lime-sulphur or Bordeaux mixture. (Seetable for apples, pears and quinces.) Rust {Gymnosporangium macropus, Link.).—This disease attacksfoliage, fruit and twig, causing a yellowish orange-colored spot whichis not readily confused with other diseases. On the upper surface thesespots show numerous small yellow pustules becoming black. On the. Apple Scab.^Photograph by Prof. M. A. Blake. > Courtesy of New Jersey Agricultural Station. 202 SUCCESSFUL FARMING under surface, in the late stages, are produced small, fringed, cup-likestructures containing Rroat nuusscs of sporing red cedar trees,where they cause the formation of the familiar cedar aiij^lcs. Thtvse large brown cedar aj^jjlos of the cedar, occurring in the spring,produce gelatinous, horn-like projections, bearingnijisses of spores. ThesesjKjres are borne by thewind to the a])i)lo tree,which is re-infectetl withthe disease. Treatment. — Removethe cedar apjilos, or stillbetter, remove the cedartrees. Si)raying the apjiletrees as for scab will re-duce the disease to someextent. Fire Blight.—SecPear. Other Foliage Spotsand Twig Cankers. —Therearc leaf spots and twigcankers due tootliercauseswhich cannot be enumer-ated in this brief discus-sion. These diseases arc
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectvegetablegardeningfr
