. Annual report. Entomological Society of Ontario; Insect pests; Insects. ENTOMOLOGICAL SOCIETY 79 Development during the season was as follows: Generation First Second Third Fourth Fifth Period (approx.) Early July Late July Early Aug. Late Aug. September Days until characteristic blackening 4- 6 4- 6 6- 7 4- 6 9-10 Days for complete cycle 11-13 11-13 14-15 13-17 21-33 Experimental Blocks In order to carry out the several experiments, ten one-acre blocks of approximately 100 trees each were selected in the large 75-acre Elberta peach orchard previously referred to. A check plot was selected i
. Annual report. Entomological Society of Ontario; Insect pests; Insects. ENTOMOLOGICAL SOCIETY 79 Development during the season was as follows: Generation First Second Third Fourth Fifth Period (approx.) Early July Late July Early Aug. Late Aug. September Days until characteristic blackening 4- 6 4- 6 6- 7 4- 6 9-10 Days for complete cycle 11-13 11-13 14-15 13-17 21-33 Experimental Blocks In order to carry out the several experiments, ten one-acre blocks of approximately 100 trees each were selected in the large 75-acre Elberta peach orchard previously referred to. A check plot was selected in a small orchard about one-quarter of a mile to the east. The following diagram gives an idea of the location of the blocks in this orchard. These were con- fined to the western section of the orchard because of the more even stand of trees there. All blocks were separated from each other by one or two rows of 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 Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
