. Lime-sulphur wash [microform]. Fruits; Spraying and dusting in agriculture; Pulvérisation et poudrage en agriculture; Insect pests; Fruit; Insectes nuisibles, Lutte contre les. will 50 might escape. Careful cultivation and a liberal use of manure assist the spray m giving renewed vigour to badly infested trees There is no insect, m Ontario at least, that requires more careful and thorough work on the part of the sprayer if he is to get good results, because if even a few infested twigs are left unsprayed, there will frequently be enough scale on them to produce great numbers by autumn. Hence
. Lime-sulphur wash [microform]. Fruits; Spraying and dusting in agriculture; Pulvérisation et poudrage en agriculture; Insect pests; Fruit; Insectes nuisibles, Lutte contre les. will 50 might escape. Careful cultivation and a liberal use of manure assist the spray m giving renewed vigour to badly infested trees There is no insect, m Ontario at least, that requires more careful and thorough work on the part of the sprayer if he is to get good results, because if even a few infested twigs are left unsprayed, there will frequently be enough scale on them to produce great numbers by autumn. Hence, after spraying both sides of the trees carefullv it is always advisable to take an extra tankful of the mixture in a day or two. Fig. 9. Oyster-shell scale. Nat- ural size. and go up and down the rows touching up any poorly spraved places and seeing that every part of the tree above ground is white with the wash. Oyster-sheij. Scale or .^pple Bark-louse. (Lepidosaphes ulmi, L.) _ Though not nearly so destructive an insect as the San Jose, the Oyster-shell scale is doing nearly as much damage to the province as a whole, because it is found in almost everv orchard, whereas the San Jose scale is still almost entirely confined to a few south-western Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fulmer, H. L; Caesar, Lawson, 1870-1952; Ontario. Dept. of Agriculture. Toronto : Dept. of Agriculture
Size: 1276px × 1958px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubj, booksubjectinsectpests
