Tree Fruit Research & Extension Center

Apple IPM Transition Project

Degree-Day Development Table for Codling Moth

This table shows the relationship between accumulated deggree-days after 1 January (and degree-days after biofix) and moth flight and egg hatch. Download a PDF copy of this table by clicking here. To get more information about the no-biofix codling moth model visit here.

Accum.
DD
(post
Jan1)
Accum.
DD
(post
biofix)
% moth
flight
% egg
hatch
Accum.
DD
(post
Jan1)
Accum.
DD
(post
biofix)
% moth
flight
% egg
hatch
Accum.
DD
(post
Jan1)
Accum.
DD
(post
biofix)
% moth
flight
% egg
hatch
175 0 1 0 955 780 100 94 1735 1560 81 46
195 20 2 0 975 800 100 95 1755 1580 83 50
215 40 4 0 995 820 0 96 1775 1600 85 53
235 60 7 0 1015 840 0 97 1795 1620 87 56
255 80 10 0 1035 860 1 97 1815 1640 88 60
275 100 15 0 1055 880 1 98 1835 1660 90 63
295 120 19 0 1075 900 1 98 1855 1680 91 66
315 140 24 0 1095 920 2 99 1875 1700 92 69
335 160 29 0 1115 940 2 99 1895 1720 93 71
355 180 35 0 1135 960 3 99 1915 1740 94 74
375 200 40 0 1155 980 4 99 1935 1760 95 76
395 220 45 1 1175 1000 5 100 1955 1780 96 79
415 240 50 2 1195 1020 6 100 1975 1800 97 81
435 260 52 3 1215 1040 7 0 1995 1820 98 83
455 280 54 4 1235 1060 9 0 2015 1840 98 85
475 300 59 6 1255 1080 11 0 2035 1860 99 86
495 320 63 9 1275 1100 13 1 2055 1880 100 88
515 340 67 12 1295 1120 15 1 2075 1900 0 89
535 360 70 20 1315 1140 18 2 2095 1920 1 91
555 380 73 25 1335 1160 20 2 2115 1940 2 92
575 400 77 30 1355 1180 23 3 2135 1960 2 93
595 420 80 35 1375 1200 26 3 2155 1980 3 94
615 440 83 40 1395 1220 29 4 2175 2000 4 95
635 460 85 45 1415 1240 33 5 2195 2020 5 96
655 480 88 49 1435 1260 36 7 2215 2040 6 97
675 500 90 54 1455 1280 39 8 2235 2060 8 97
695 520 91 58 1475 1300 43 10 2255 2080 9 98
715 540 93 62 1495 1320 46 11 2275 2100 10 99
735 560 94 66 1515 1340 50 14 2295 2120 12 100
755 580 95 70 1535 1360 53 16 2315 2140 14 100
775 600 96 73 1555 1380 56 18 2335 2160 15 1
795 620 97 77 1575 1400 60 21 2355 2180 17 2
815 640 98 80 1595 1420 63 24 2375 2200 20 3
835 660 98 82 1615 1440 66 27 2395 2220 22 3
855 680 99 85 1635 1460 69 30 2415 2240 24 4
875 700 99 87 1655 1480 72 33 2435 2260 26 5
895 720 99 89 1675 1500 77 36 2455 2280 29 7
915 740 100 91 1695 1520 77 40 2475 2300 31 8
935 760 100 92 1715 1540 79 43 2495 2320 34 9

 

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