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Kentucky Apple Integrated Crop Management Manual
Appendix 10
Codling Moth Degree Day Chart
| Max Temp |
Min
Temp |
52 |
54 |
56 |
68 |
60 |
52 |
64 |
66 |
68 |
70 |
72 |
74 |
76 |
78 |
80 |
52 |
84 |
86 |
88 |
90 |
| 22 |
0.2 |
0.6 |
1.1 |
1.6 |
2.2 |
2.9 |
3.6 |
4.3 |
5.0 |
5.7 |
6.5 |
7.3 |
8.1 |
8.9 |
9.7 |
10.6 |
11.4 |
12.2 |
12.9 |
13.4 |
| 24 |
0.2 |
0.6 |
1.1 |
1.7 |
2.3 |
3.0 |
3.7 |
4.4 |
5.1 |
5.9 |
6.7 |
7.5 |
8.3 |
9.1 |
9.9 |
10.8 |
11.6 |
12.4 |
13.1 |
13.7 |
| 26 |
0.2 |
0.6 |
1.2 |
1.7 |
2.4 |
3.1 |
3.8 |
4.5 |
5.3 |
6.0 |
6.8 |
7.6 |
8.5 |
9.3 |
10.1 |
11.0 |
11.9 |
12.7 |
13.3 |
13.9 |
| 28 |
0.2 |
0.7 |
1.2 |
1.8 |
2.5 |
3.1 |
3.9 |
4.6 |
5.4 |
6.2 |
7.0 |
7.8 |
8.7 |
9.5 |
10.4 |
11.2 |
12.1 |
12.9 |
13.6 |
14.2 |
| 30 |
0.3 |
0.7 |
1.3 |
1.9 |
2.5 |
3.3 |
4.0 |
4.8 |
5.6 |
6.4 |
7.2 |
8.0 |
8.9 |
9.7 |
10.6 |
11.5 |
12.4 |
13.2 |
13.9 |
14.5 |
| 32 |
0.3 |
0.7 |
1.3 |
1.9 |
2.6 |
2.4 |
4.1 |
4.9 |
5.7 |
6.6 |
7.4 |
8.3 |
9.1 |
10.0 |
10.9 |
11.8 |
12.7 |
13.5 |
14.2 |
14.8 |
| 34 |
0.3 |
0.8 |
1.4 |
2.0 |
2.7 |
3.5 |
4.3 |
5.1 |
5.9 |
6.8 |
7.6 |
8.5 |
9.4 |
10.3 |
11.2 |
12.1 |
13.0 |
13.8 |
14.5 |
15.1 |
| 36 |
0.3 |
0.8 |
1.4 |
2.1 |
2.9 |
3.7 |
4.5 |
5.3 |
6.1 |
7.0 |
7.9 |
8.8 |
9.7 |
10.6 |
11.5 |
12.4 |
13.3 |
14.2 |
14.9 |
15.5 |
| 38 |
0.3 |
0.9 |
1.5 |
2.2 |
3.0 |
3.8 |
4.7 |
5.5 |
6.4 |
7.3 |
8.1 |
9.1 |
10.0 |
10.9 |
11.8 |
12.7 |
13.7 |
14.6 |
15.2 |
15.8 |
| 40 |
0.4 |
0.9 |
1.6 |
2.4 |
3.2 |
4.0 |
4.9 |
5.7 |
6.6 |
7.5 |
8.5 |
9.4 |
10.3 |
11.2 |
12.2 |
13.1 |
14.1 |
15.0 |
15.7 |
16.3 |
| 42 |
0.4 |
1.0 |
1.8 |
2.5 |
3.4 |
4.2 |
5.1 |
6.0 |
6.9 |
7.9 |
8.8 |
9.7 |
10.7 |
11.6 |
12.6 |
13.6 |
14.5 |
15.4 |
16.1 |
16.7 |
| 44 |
0.4 |
1.1 |
1.9 |
2.8 |
3.6 |
4.5 |
5.4 |
6.4 |
7.3 |
8.3 |
9.2 |
10.2 |
11.1 |
12.1 |
13.1 |
14.0 |
15.0 |
15.9 |
16.6 |
17.2 |
| 46 |
0.5 |
1.3 |
2.1 |
3.0 |
3.9 |
4.9 |
5.8 |
6.8 |
7.7 |
8.7 |
9.7 |
10.7 |
11.6 |
12.6 |
13.6 |
14.6 |
15.6 |
16.5 |
17.2 |
17.8 |
| 48 |
0.6 |
1.5 |
2.4 |
3.4 |
4.4 |
5.3 |
6.3 |
7.3 |
8.3 |
9.3 |
10.2 |
11.2 |
12.2 |
13.2 |
14.2 |
15.2 |
16.2 |
17.1 |
17.8 |
18.4 |
| 50 |
1.0 |
2.0 |
3.0 |
4.0 |
5.0 |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
17.9 |
18.6 |
19.2 |
| 52 |
2.0 |
3.0 |
4.0 |
5.0 |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
18.9 |
19.6 |
20.2 |
| 54 |
n/a |
4.0 |
5.0 |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
19.9 |
20.6 |
21.2 |
| 56 |
n/a |
n/a |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
20.9 |
21.6 |
22.2 |
| 58 |
n/a |
n/a |
n/a |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
21.0 |
21.9 |
22.6 |
23.1 |
| 60 |
n/a |
n/a |
n/a |
n/a |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
21.0 |
22.0 |
22.9 |
23.6 |
24.1 |
| 62 |
n/a |
n/a |
n/a |
n/a |
n/a |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
21.0 |
22.0 |
23.0 |
23.9 |
24.6 |
25.1 |
| 64 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
21.0 |
22.0 |
23.0 |
24.0 |
24.9 |
25.5 |
26.0 |
| 66 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
16.0 |
17.0 |
18.0 |
19.0 |
20.0 |
21.0 |
22.0 |
23.0 |
24.0 |
25.0 |
25.9 |
26.5 |
27.0 |
| 68 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
18.0 |
19.0 |
20.0 |
21.0 |
22.0 |
23.0 |
24.0 |
25.0 |
26.0 |
26.9 |
27.5 |
28.0 |
| 74 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
20.0 |
21.0 |
22.0 |
23.0 |
24.0 |
25.0 |
26.0 |
27.0 |
27.9 |
28.5 |
28.9 |
| 72 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
22.0 |
23.0 |
24.0 |
25.0 |
26.0 |
27.0 |
28.0 |
28.9 |
29.4 |
29.8 |
| 74 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
24.0 |
25.0 |
26.0 |
27.0 |
28.0 |
29.0 |
29.9 |
30.4 |
30.8 |
| 76 |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
26.0 |
27.0 |
28.0 |
29.0 |
30.0 |
30.9 |
31.3 |
31.7 |
|
