RESULTS OBTAINED IN CUTTING OUT 8 LARGE SPOT
INFECTIONS OF CHESTNUT BLIGHT.
=======+==============+======================+==========+
Tract | County. | First | Number |
number.| | Inspection. | of |
| | | infected |
| | | trees |
| | | removed. |
| | | |
| | | |
-------+--------------+----------------------+----------+
1 | Elk, | August, 1912,[19] | 34 |
2 | Clearfield, | September, 1912,[20] | 36 |
3 | Blair, | November, 1912,[20] | 93 |
4 | Huntingdon, | March, 1913,[20] | 100 |
5 | Huntingdon, | March, 1912,[20] | 271 |
6 | Elk, | November, 1912,[18] | 296 |
7 | Cambria, | November, 1912,[18] | 480 |
8 | Huntingdon, | October, 1912,[19] | 822 |
-------+--------------+----------------------+----------+
| Averages, | | 266.5 |
-------+--------------+----------------------+----------+
=======+=====================+==========+==========+
Tract | Second | Number | Number |
number.| Inspection. | of | of |
| | infected | infected |
| | trees | stumps |
| | removed. | with |
| | | infected |
| | | sprouts. |
-------+---------------------+----------+----------+
1 | May, 1913,[19] | 4 | 0 |
2 | December, 1912,[20] | 12 | 0 |
3 | August, 1913, | 14 | 0 |
4 | January, 1914, | 46 | 0 |
5 | November, 1912,[19] | 82 | 0 |
6 | April, 1913,[18] | 23 | 0 |
7 | June, 1913,[18] | 5 | 0 |
8 | June, 1913,[20] | 24 | 0 |
-------+---------------------+----------+----------+
| Averages, | 26.2 | 0 |
-------+---------------------+----------+----------+
=======+===================+===========+==========+===========
Tract | Third | Number | Number | Age
number.| Inspection. | of | of | of
| | infected | infected | oldest
| | trees. | stumps | infection.
| | | with |
| | | infected |
| | | sprouts. |
-------+-------------------+-----------+----------+-----------
1 | January, 1914, | 2 | 2 | 1912
2 | January, 1914, | 36 | 0 | 1912
3 | | | | 1912
4 | | | | 1912
5 | August, 1913, | 88 | 6 | 1910
6 | December, 1913, | 51 | 0 | 1911
7 | August, 1913, | 9 | 0 | 1913
8 | August, 1913, | 91 | 0 | 1912
-------+-------------------+-----------+----------+-----------
| Averages, | 46.2 | 1.3 |
-------+-------------------+-----------+----------+-----------
[18] Sanitation well done—stumps well peeled, well burned or creosoted,
and refuse burned.
[19] Sanitation fairly well done, but stumps not thoroughly peeled or
burned.
[20] Sanitation poorly done—no burning done, and stumps poorly peeled
in some cases.