. Insects attacking fruit trees [microform]. Fruit; Insect pests; Insectes nuisibles; Fruits. u» lly iuffttud tliffc the branches are ic new growth it lly infcDtcd or cauiic the ajihiiln mtiii to jircfer their ti'iidenr foliujtc. \Vli»re li trees have their ;;rt>wtii utoppt^d and ^ometimest the upiHT part* > either killed «r imuh W('ni• the extraction of the cap, I the part of these numt attacked. Pearg a;* well iix applt'prout«, often licing placed around the bi '< or in crevices. Hatdiinj? ol these is u«uail_v completed in spring by alH)Ut tlie tiiti* the leof-bud* liave be;.'un to


. Insects attacking fruit trees [microform]. Fruit; Insect pests; Insectes nuisibles; Fruits. u» lly iuffttud tliffc the branches are ic new growth it lly infcDtcd or cauiic the ajihiiln mtiii to jircfer their ti'iidenr foliujtc. \Vli»re li trees have their ;;rt>wtii utoppt^d and ^ometimest the upiHT part* > either killed «r imuh W('ni• the extraction of the cap, I the part of these numt attacked. Pearg a;* well iix applt'prout«, often licing placed around the bi '< or in crevices. Hatdiinj? ol these is u«uail_v completed in spring by alH)Ut tlie tiiti* the leof-bud* liave be;.'un to burst, tbc of Aiiliis aveiiw U-inj; usually a few lays earlier in hatching than Cluster of small deformed apples, showing !..e effect of June and .Tuly, about two-thirds natural size >si« attacks in t If at this date the buds are examined, the youii;; ijib. i ca-ily be seen witliout the ail! of a nia^rnifyin;: j:lass. They are then ol i,in-. y small, but this very fact, tojrctber with tlicir cxpo-^cd position shows that us is a Jf'"'"! tiinc in whicii to destroy them by spraying'. Methods of Control. Postpone the rejiular dormant spray with lime-sulphur —strength sp. jrr. or for San .Tose Scale LO.*?,"). (:?n sp. rrr. — Tal. com- mercial lime-sulphur to 0 jrals. of water: ;?') sp. <;r. = 1 iral. to about 7), until t!:e buds are be^innina' to burst nnd then add to the mixture a tobacco extract, cither Black Ijcaf 10 or Grasselli's Nicotine-sulphate 10 per The amount of either substance to use is printed on the can in which the wtract is bought. The spraying of course sliould be done so as to Insure that every bud is well covered. If spraying is postponed until the foliage is out it is very doubtful whether it pays because many of the aph'ds are then so situated among the leaves that they cannot be Please note that these images are extracted from scanned page images that may have been digitally enhanced


Size: 1866px × 1339px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectpests, bookyear