Diseases of flowers and other Diseases of flowers and other ornamentals diseasesofflower118smit Year: 1940 Diseases of Flowers and Other Ornamentals 27 bark on the trunk, attracting flies, yellow jackets, and other insects, in- dicates slime flux. The bark beneath may be killed down to the wood in considerable areas. This probably originates in a flow of sap or 'bleed- J \ € t \ mm Br. > < j/_ Fig. 9.—Crown knot of eucalyptus. ing' from a wound of some sort in the bark, which becomes contaminated with bacteria and yeasts that cause fermentation. Bark areas of this sort should be was
Diseases of flowers and other Diseases of flowers and other ornamentals diseasesofflower118smit Year: 1940 Diseases of Flowers and Other Ornamentals 27 bark on the trunk, attracting flies, yellow jackets, and other insects, in- dicates slime flux. The bark beneath may be killed down to the wood in considerable areas. This probably originates in a flow of sap or 'bleed- J \ € t \ mm Br. > < j/_ Fig. 9.—Crown knot of eucalyptus. ing' from a wound of some sort in the bark, which becomes contaminated with bacteria and yeasts that cause fermentation. Bark areas of this sort should be washed and scraped off as clean as possible, all decaying and dead bark should be cut out, and the exposed surfaces washed with corrosive sublimate solution 1-1,000 (p. 100) or a solution of copper sulfate, 1 ounce to 1 gallon of water. This may be re- peated as long as bleeding continues, after which the wound may be cov- ered with bordeaux paste (p. 98). EUCALYPTUS Chlorosis.—In places where there is a considerable amount of lime in the soil, eucalyptus and other kinds of trees often show poor, stunted growth and bright yellow foliage. See page 76.
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