Bozeman MT - BOZM
Data is up through September 26, 2020
Growing Degree Days since January 1:1912
Change Station:
Codling Moth
Biofix: May 29, 2020
Degree Days since Biofix:1698
Moth Flight:91.9% of moths in 2nd generation have emerged.
Egg Hatch:68.7% of eggs in 2nd generation have hatched.
Management Action 1 Week Ago:September 23 to September 25 - Second Generation, end of peak egg hatch.Egg hatch is waning for the second generation, and will be completely over by 2100 degree days.
Present Management Action:September 26 to September 30 - Second Generation, end of peak egg hatch.Egg hatch is waning for the second generation, and will be completely over by 2100 degree days.
Management Action for the Next 3 Weeks:none
For a current Codling Moth summary click here.
Peach Twig Borer
Biofix: June 13, 2020
Degree Days since Biofix: 1510
Moth Flight: 96.5% of moths in 2nd generation have emerged.
Egg Hatch: 63% of eggs in 2nd generation have hatched.
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Peach Twig Borer summary click here.
Fire Blight
*This model only applies when trees are in bloom.
San Jose Scale
Biofix: May 29, 2020
Degree Days since Biofix: 1599
Males: 0% of adult males in 2nd generation have emerged.
Crawlers: 52.8% of crawlers in 2nd generation have emerged.
Management Action 1 Week Ago:September 20 to September 25 - Second generation crawlers are most active now. If you have a heavy infestation, treat at this time with Esteem or 1% horticultural oil.  Otherwise, wait and spray with oil next spring at budbreak.
Present Management Action:September 26 to October 3 - Second generation crawlers are most active now. If you have a heavy infestation, treat at this time with Esteem or 1% horticultural oil.  Otherwise, wait and spray with oil next spring at budbreak.
Management Action for the Next 3 Weeks:none
For a current San Jose Scale summary click here.
Western Cherry Fruit Fly
Biofix: January 1, 2020
Degree Days since January 1: 3252
Management Action 1 Week Ago: none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Western Cherry Fruit Fly summary click here.
Greater Peachtree Borer
Biofix: January 1, 2020
Degree Days since January 1: 1847
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Greater Peachtree Borer summary click here.
Obliquebanded Leafroller
Biofix: Not established yet for 2020
Degree Days since January 1: 2663
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Obliquebanded Leafroller summary click here.
Apple Maggot
Biofix: January 1, 2020
Degree Days since Biofix: 2771
Management Action 1 Week Ago: none
Present Management Action: none
Management Action for the Next 3 Weeks: none
For a current Apple Maggot summary click here.
Cereal Leaf Beetle
Biofix: May 6, 2020
Degree Days since Biofix:2535
Management Action 1 Week Ago:none
Present Management Action: none
Management Action for the Next 3 Weeks:none
For a current Cereal Leaf Beetle summary click here.