|
Delta traps are used, 4 in Dukes Orchard, 4 in Homeplace Orchard and 2 in Clore Orchard for each insect. |
|
OFM |
CM |
TBM |
||||||
Degree Day Target |
Date |
Degree Days |
Degree Day Target |
Date |
Degree Days |
Degree Day Target |
Date |
Degree Days |
250 |
April 28 |
257 |
250 |
May 13 |
256 |
585-640 |
May 30 |
594 |
350 |
May 5 |
350 |
550 |
May 30 |
562 |
805 |
June 8 |
803.5 |
1350 |
June 16 |
1357.5 |
1150 |
June 24 |
1151 |
2355 |
July 26 |
2338.5 |
1450 |
June 19 |
1442 |
1250 |
June 28 |
1241 |
2665 |
August 4 |
2655 |
2350 |
July 19 |
2339.5 |
1450 |
July 6 |
1439.5 |
|||
2900 |
August 5 |
2904.5 |
1550 |
July 10 |
1541.5 |
|||
Dukes Orchard |
Homeplace Orchard |
Clore Orchard |
Degree Days from Biofix OFM |
Degree Days from Biofix CM |
Degree Days from Biofix TBM |
|||||||
Date (up to date ) |
||||||||||||
| 4/4/11 | Set |
|||||||||||
| 4/11 | 5.75 |
|||||||||||
| 4/18 | 99.5 |
45 |
||||||||||
| 4/25 | 127.25 |
3.5 |
149.5 |
20.5 |
||||||||
| 5/2 | 146.25 |
set |
set |
111 |
1.25 |
4.25 |
67 |
set |
set |
288 |
124 |
9 |
| 5/9 | 22.75 |
32.25 |
8.5 |
40.25 |
17 |
3.75 |
10.5 |
7.5 |
23 |
390 |
191 |
111 |
| 5/16 | 25.5 |
13.75 |
7.75 |
15.25 |
6.75 |
25.50 |
14.5 |
12 |
9 |
518.5 |
284.5 |
239.5 |
| 5/23 | 13.25 |
1.75 |
11.5 |
1.25 |
0.25 |
13.75 |
9.5 |
5 |
9 |
645.5 |
376.5 |
366.5 |
| 5/30 | 30.75 |
14.75 |
28.75 |
0.5 |
0.0 |
31.25 |
12 |
8 |
26.5 |
839 |
535 |
560 |
| 6/6 | 18.25 |
11.25 |
20.75 |
0.25 |
0.0 |
23.25 |
6.5 |
3.5 |
20.5 |
1043.5 |
701 |
768.5 |
| 6/13 | 29.5 |
12.75 |
27 |
0.0 |
0.0 |
12.5 |
5 |
1 |
11 |
1259.5 |
880 |
989 |
| 6/20 | 9.25 |
3 |
16.5 |
0.25 |
1.25 |
6.5 |
5 |
0.5 |
13 |
1442 |
1027.5 |
1171.5 |
| 6/27 | 29.75 |
5.75 |
3.75 |
0.5 |
0.0 |
1 |
18 |
1 |
1.5 |
1639.5 |
1190 |
1369 |
| 7/4 | 27.5 |
13.75 |
0.25 |
0.0 |
2.25 |
0 |
30.5 |
1.5 |
1 |
1850 |
1362.5 |
1579.5 |
| 7/11 | 16.25 |
5.25 |
0.25 |
0.0 |
0.25 |
2 |
24 |
2.5 |
3 |
2064.5 |
1541.5 |
1794 |
| 7/18 | 12 |
8.5 |
0.5 |
0.0 |
0.25 |
1 |
20 |
2 |
2 |
2272.5 |
1709.5 |
2003.5 |
| 7/25 | 22.75 |
3.5 |
1.25 |
0.0 |
0.0 |
2.25 |
23.5 |
0.5 |
2.5 |
2524.5 |
1920.5 |
2265.5 |
| 8/1 | 19 |
2.75 |
3.25 |
0.0 |
0.0 |
4.25 |
18 |
0.0 |
4.5 |
2768.5 |
2121.5 |
2516 |
| 8/8 | 8 |
0.25 |
5.5 |
0.0 |
0.0 |
7 |
21.5 |
0.0 |
3.5 |
3006.5 |
2319.5 |
2758.5 |
| 8/15 | 38.25 |
29.25 |
7.75 |
0.0 |
1.25 |
8.75 |
31.5 |
9.5 |
27.5 |
3224 |
2499 |
2978 |
| 8/22 | 31.5 |
9 |
6.75 |
0.25 |
0.0 |
4.75 |
30 |
7.5 |
10 |
3431.5 |
2671.5 |
3185.5 |
| 8/29 | 23 |
8.5 |
4.5 |
0.75 |
0.0 |
3.5 |
28 |
6.5 |
8.5 |
3620.5 |
2825.5 |
3374.5 |
Past Biofix Dates |
|||
Year |
|||
2003 |
April 13 |
May 3 |
May 10 |
2004 |
April 7 |
April 30 |
April 28 |
2005 |
April 7 |
May 7 |
May 8 |
2006 |
April 4 |
April 20 |
N/A |
2007 |
N/A |
N/A |
N/A |
2008 |
April 9 |
April 24 |
April 29 |
2009 |
April 4 |
May 2 |
May 7 |
2010 |
April 3 |
April 19 (estimated) |
April 25 |
2011 |
April 14 |
April 24 |
May 1 |
2009/2010 Apple IPM Data from Graves Mountain
Daily trap count from each trap
Graves Mountain Temperature Data
- Data obtained from Vantage Pro Weather Station
Virginia
Fruit Web Site - Apple IPM - Very helpful website with lots of
recommendations
Chris Bergh's Biofix and other info from Winchester Research Station
This page is brought to you by:
Lynn Graves, Lucky Graves, Graves Mountain Farm
Douglas G. Pfeiffer, Professor of Entomology, Virginia Tech Department of Entomology
Chris
Bergh,
Assistant Professor of Entomology,
Alson H. Smith,
Jr. Agricultural Research and Extension Center
Brad
Jarvis, Madison
County Extension Office