. Diseases of stone-fruits in [microform]. Fruits; Agricultural pests; Fruits; Ennemis des cultures. cannot afford to adopt all the measures necessary, since the growers in the Interior do not have to fight brown-rot, thus having a great advantage in stone fruit production from the standpoint of commercial r< impetition. Shot-hole. Various causes may result in "shot-hole," among them, spraying with a badly made or too strong fungicide. The form here referred to. however, is due to a fungus which kills small areas in the leaf. These fall out, pr dicing a "
. Diseases of stone-fruits in [microform]. Fruits; Agricultural pests; Fruits; Ennemis des cultures. cannot afford to adopt all the measures necessary, since the growers in the Interior do not have to fight brown-rot, thus having a great advantage in stone fruit production from the standpoint of commercial r< impetition. Shot-hole. Various causes may result in "shot-hole," among them, spraying with a badly made or too strong fungicide. The form here referred to. however, is due to a fungus which kills small areas in the leaf. These fall out, pr dicing a " ; If these are numerous, much nf the value of ihe leaf is lost. Usually the disease is not severe enough to call for special treatment. If it is, give a dormant spray of linic-sulphur, and follow by sprayings of 2-3-40 Bordeaux mixture. If the fruit matures early it may be sufficient to do this after picking. If not, spray also after the fruit is set, as for Shot-hole of chprry. Some of the attaeUJ gpotn nave fallen out; others are alioiit to do so. (Fruui Bull. 24, Doni. Kjp. B'arms.) Gummosis. The cell-wa"s of stone-fruit trees are very liable to undergo a change "iio a gummy substance which exudes at the surface. formation 'â : gun? is known as ummosis. It may be the result of mechanical '.jury, of insect punctures or boiings, of winter injury, or, more I -Illy, of fungus or bacterial infection. Gumming often follows brown- y' t infection of the twigs. It may, however, be spontaneous, especially 1: trees that have made a forced growth, due to too much water or. 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 Eastham, J. W. (John William), 1879-1968; British Columbia. Horticultural Branch. Victoria, B. C. : W. H. Cullin
Size: 1542px × 1620px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1918
