2nd
Blight Update and Seasonal Outlook for Nova Scotia- April 26, 2022
This is our second Monilinia update for 2022.
Things were moving fast in the last few days so we are
seeing fast fruit bud development over the last few days across the central NS.
Some early fields will get their first infection period over the next few days
if they are above 40% F2. I have reports from growers in Halfway River and the
first monilinia application has been made before the wetness period. That said,
things might slow down a little bit but we are expecting after mid-late next
week, that most fields in the central area would need the first monilinia
treatment before another wet period arrives. Please take a look at some numbers
I have from various locations.
In sprout fields, it is still early but that would
give growers some windows to treat fields with herbicides, such as Spartan and Chikara.
Both herbicides need to be made before blueberry plants emerge. Applications after
blueberry emergence will cause stunting. From the model we use, blueberry plant
emergence starts at about 270 GDD and this is
current GDD information from stations we monitor (click here to see GDD numbers and model information)
Wild Blueberry Floral
Bud F2 Stage
Please see the below summary table of the percentage of
wild blueberry floral bud at the F2 stage. You can also click on this map to
check those numbers. Detailed information is also available under the Wild
Blueberry Blog- GDD&
Phenology Tracker.
Table 1. Percentage of Wild Blueberry Floral Bud F2
stage
light green (0-20% F2), dark green (20-30% F2), yellow
(30-40% F2) and red (40-100% F2)
|
Wild blueberry production regions, NS |
The average percentage of floral buds at
F2 |
|
|
|
|
Cape Breton |
|
|
|
|
|
Cumberland County |
|
|
Oxford |
April
26- 16% |
|
Mapleton (Lynn Mt.) |
April
25- 12.09% |
|
Halfway River |
April 20- 35-40% |
|
Lower Greenville |
April
25- 15% |
|
Westchester Station |
April
25- 17% |
|
|
|
|
South West Nova Scotia |
|
|
Queens County |
April 23- 40% |
|
Digby County |
April 23- 27% |
|
Annapolis County |
April 23- 28% |
|
|
|
|
Hants County |
|
|
|
|
|
Halifax County |
|
|
|
|
|
Guysborough County |
|
|
|
|
|
Colchester County |
|
|
Murray Siding |
April 26- 21% |
|
Belmont |
April
25- 4.80% |
|
Glenholme |
April
25- 13.06% |
|
Debert (WBPANS office) |
April
25- 18% |
|
Debert (Debert Airport) |
April 21- 21% |
|
Debert (near the railway track) |
April 25- 27% |
|
Baseline Rd. |
April
25- 30% |
|
Greenfield |
April 26- 26% |
|
Pictou and Antigonish County |
|
|
|
|