. Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois . y scales carried to it by birds andinsects from near-by infested trees. Do not spray against paint. When trees to be sprayed stand nearpainted buildings, these should be protected by a canvas while sprayingis being done. It is well to blanket horses used in the spraying opera-tions, when a lime-sulphur solution is used. Persons preparing or ap-plying the lime-sulphur spray should avoid getting it on the bare handsor face, as it is very caustic. Leaky hose should be repaired at that all
. Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois . y scales carried to it by birds andinsects from near-by infested trees. Do not spray against paint. When trees to be sprayed stand nearpainted buildings, these should be protected by a canvas while sprayingis being done. It is well to blanket horses used in the spraying opera-tions, when a lime-sulphur solution is used. Persons preparing or ap-plying the lime-sulphur spray should avoid getting it on the bare handsor face, as it is very caustic. Leaky hose should be repaired at that all barrels and all apparatus are thoroly cleaned before usingthe mixture in them, otherwise the nozzles are likely to clog. Thorolyclean kettles, hose, barrels, pumps, nozzles, and all spraying apparatuswhen the work is over for the season. Thoroly coat the trees, being careful to cover the smaller twigsand branches and to get the mixture in all the forks and crevices. Sprayevery part of each tree from two sides. If a heavy rain follows soonafter spraying, the treatment should be repeated. Plate 1. Fig. 1. Iluni bark inerusted with San Jose Scale, enlarged eight diametersto show the individnal scales.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbenefic, bookyear1876
