RESULTS OBTAINED, IN ONE YEAR, IN CUTTING OUT 20
ADVANCE SPOT INFECTIONS OF CHESTNUT BLIGHT.
(A) = Number of infected trees removed.
(B) = Number of infected trees.
(C) = Number of treated stumps with infected sprouts.
(D) = Probable age of oldest infection.
(E) = Distance of furthest infection from center (yards).
=====+===========+================+====+===========+====+===+====+===
Tract| County. | First | | Second | | | |
no.| | Inspection. | (A)|Inspection.| (B)|(C)|(D) |(E)
-----+-----------+----------------+----+-----------+----+---+----+---
1 |Blair, |April, 1913,[12]| 1 |Feb., 1914,| 1 | 0 |1913|10
2 |Clearfield,|Nov., 1912,[12]| 1 |Jan., 1914,| 0 | 0 | |
3 |Tioga, |Dec., 1912,[12]| 1 |Jan., 1914,| 0 | 0 | |
4 |Tioga, |Sept., 1912,[12]| 1 |Jan., 1914,| 0 | 0 | |
5 |Tioga, |Nov., 1912,[12]| 1 |Jan., 1914,| 0 | 0 | |
6 |Tioga, |Sept., 1912,[12]| 1 |Jan., 1914,| 0 | 0 | |
7 |Bradford, |Jan., 1913,[12]| 1 |Jan., 1914,| 0 | 0 | |
8 |Bradford, |Jan., 1913,[12]| 1 |Jan., 1914,| 0 | 0 | |
9 |Bradford, |Jan., 1913,[13]| 1 |Jan., 1914,| 0 | 0 | |
10 |Bradford, |Jan., 1913,[12]| 1 |Jan, 1914,| 0 | 0 | |
11 |Blair, |Dec., 1912,[12]| 2 |Aug., 1913,| 0 | 0 | |
12 |Cambria, |Jan., 1913,[12]| 3 |Jan., 1914,| 0 | 0 | |
13 |Tioga, |Jan., 1913,[12]| 3 |Aug., 1913,| 0 | 0 | |
14 |Tioga, |Dec., 1912,[12]| 4 |Jan., 1914,| 4 | 0 |1913|30
15 |Huntingdon,|Jan., 1913,[12]| 6 |Jan., 1914,| 5 | 0 |1912|70
16 |Blair, |Feb., 1913,[14]| 7 |Aug., 1913,| 10 | 0 |1912|50
17 |Blair, |Jan., 1913,[12]| 8 |Aug., 1913,| 1 | 0 |1913|
18 |Blair, |Jan., 1913,[13]| 22 |Aug., 1913,| 4 | 0 |1912|50
19 |Blair, |Jan., 1913,[12]| 26 |Aug., 1913,| 3 | 0 |1912|
20 |Huntingdon,|March, 1913,[12]| 30 |Jan., 1914,| 7 | 0 |1912| 5
-----+-----------+----------------+----+-----------+----+---+----+---
|Averages, | |6.05| |1.75| 0 | |35.8
-----+-----------+----------------+----+-----------+----+---+----+---
[12] Sanitation well done—stumps well peeled, well burned or creosoted,
and refuse burned.
[13] Sanitation fairly well done, but stumps not thoroughly peeled or
burned.
[14] Sanitation poorly done—no burning done, and stumps poorly peeled
in some cases.