. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . THE BLACK KJ^OT 55 not wish to remove, it is believed that painting themwith a mixture of red oxide of iron in linseed oil willdestroy them. Probably an application of the Bordeauxmixture would prove equally effective. All trees liableto injury by this disease should be examined at frequentintervals, and any signs of forming knots be at onceremoved. Concerted action is necessary among all the fruitgrowers of a neighborhood, if the disease is to be stamped
. Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . THE BLACK KJ^OT 55 not wish to remove, it is believed that painting themwith a mixture of red oxide of iron in linseed oil willdestroy them. Probably an application of the Bordeauxmixture would prove equally effective. All trees liableto injury by this disease should be examined at frequentintervals, and any signs of forming knots be at onceremoved. Concerted action is necessary among all the fruitgrowers of a neighborhood, if the disease is to be stampedoat. Local horticultural societies should agitate thematter and create a public opinion that will render it. FIG. 28. PLUMS AFFECTED BY BKOWN ROT. uncomfortable for any one to allow the knots to remainon his trees as a source of contamination for his neigh-bors orchards. In some states la\^s have been enactedcompelling tlie destruction of the knots. Wild cherrytrees should be included in the examination for diseasedtrees. Literature.—Dr. Farlows article was publishedabout 1875, in the Bulletin of the Bussy Institute. An 56 FUXGI AXD rUXGICIDES excellent popular account of the disease, by Dr. Hal-sted, aj^pears in Bulletin 78 of the New Jersey Experi-ment Station. There are many other short accountsscattered through our horticultural literature.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpathoge, bookyear1896
