This prediction is based on DPIRD’s Blackspot Manager model using weather data from 1 January 2020 to 27 April 2020 from the nearest weather station.
Sowing time can depend on a range of factors and it is recommended to consult an agronomist to determine the optimal sowing window for your situation.
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Key to blackspot severity scores
Blackspot risk | 5 out of 10 years | 3 out of 10 years | 1 out of 10 years |
---|---|---|---|
Low | 2 | 5 | 15 |
Medium | 20 | 25 | 35 |
High | 25 | 30 | 50 |
Bencubbin
Rainfall to date: 91.7 mm. Days with significant stubble moisture: 34
27 Apr | 4 May | 11 May |
---|---|---|
19% spore released - blackspot risk high | 34% spore released - blackspot risk medium | 50% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Boyup Brook
Rainfall to date: 51.9 mm. Days with significant stubble moisture: 29
27 Apr | 4 May | 11 May |
---|---|---|
10% spore released - blackspot risk high | 15% spore released - blackspot risk high | 29% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Cunderdin
Rainfall to date: 101.6 mm. Days with significant stubble moisture: 22
27 Apr | 4 May | 11 May |
---|---|---|
3% spore released - blackspot risk high | 5% spore released - blackspot risk high | 15% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Dalwallinu
Rainfall to date: 102.2 mm. Days with significant stubble moisture: 23
27 Apr | 4 May | 11 May |
---|---|---|
3% spore released - blackspot risk high | 6% spore released - blackspot risk high | 17% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Dowerin
Rainfall to date: 133.5 mm. Days with significant stubble moisture: 27
27 Apr | 4 May | 11 May |
---|---|---|
7% spore released - blackspot risk high | 12% spore released - blackspot risk high | 25% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Gairdner
Rainfall to date: 64.7 mm. Days with significant stubble moisture: 38
27 Apr | 4 May | 11 May |
---|---|---|
27% spore released - blackspot risk high | 34% spore released - blackspot risk medium | 50% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow – not suited agronomically |
Grass Patch
Rainfall to date: 88.6 mm. Days with significant stubble moisture: 52
27 Apr | 4 May | 11 May |
---|---|---|
59% spore released - blackspot risk medium | 66% spore released - blackspot risk low | 79% spore released - blackspot risk low |
Do not sow – not suited agronomically | Do not sow – not suited agronomically | Sow – do not sow dry |
Hillman
Rainfall to date: 70.9 mm. Days with significant stubble moisture: 34
27 Apr | 4 May | 11 May |
---|---|---|
19% spore released - blackspot risk high | 25% spore released - blackspot risk high | 41% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Jacup
Rainfall to date: 94.7 mm. Days with significant stubble moisture: 43
27 Apr | 4 May | 11 May |
---|---|---|
38% spore released - blackspot risk medium | 46% spore released - blackspot risk medium | 62% spore released - blackspot risk low |
Do not sow | Do not sow | Sow – do not sow dry |
Katanning
Rainfall to date: 58.2 mm. Days with significant stubble moisture: 23
27 Apr | 4 May | 11 May |
---|---|---|
3% spore released - blackspot risk high | 6% spore released - blackspot risk high | 17% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Kojonup
Rainfall to date: 56.6 mm. Days with significant stubble moisture: 30
27 Apr | 4 May | 11 May |
---|---|---|
12% spore released - blackspot risk high | 17% spore released - blackspot risk high | 31% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Kondinin
Rainfall to date: 83.7 mm. Days with significant stubble moisture: 46
27 Apr | 4 May | 11 May |
---|---|---|
46% spore released - blackspot risk medium | 53% spore released - blackspot risk medium | 68% spore released - blackspot risk low |
Do not sow | Do not sow – not suited agronomically | Sow – do not sow dry |
Kulin
Rainfall to date: 92.7 mm. Days with significant stubble moisture: 39
27 Apr | 4 May | 11 May |
---|---|---|
29% spore released - blackspot risk high | 36% spore released - blackspot risk medium | 53% spore released - blackspot risk medium |
Do not sow | Do not sow | Sow – do not sow dry |
Lake King
Rainfall to date: 77.3 mm. Days with significant stubble moisture: 44
27 Apr | 4 May | 11 May |
---|---|---|
41% spore released - blackspot risk medium | 48% spore released - blackspot risk medium | 64% spore released - blackspot risk low |
Do not sow | Do not sow – not suited agronomically | Sow – do not sow dry |
Merredin
Rainfall to date: 57.8 mm. Days with significant stubble moisture: 27
27 Apr | 4 May | 11 May |
---|---|---|
7% spore released - blackspot risk high | 12% spore released - blackspot risk high | 25% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Mingenew
Rainfall to date: 98.4 mm. Days with significant stubble moisture: 22
27 Apr | 4 May | 11 May |
---|---|---|
3% spore released - blackspot risk high | 5% spore released - blackspot risk high | 15% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Moora North West
Rainfall to date: 94.6 mm. Days with significant stubble moisture: 27
27 Apr | 4 May | 11 May |
---|---|---|
7% spore released - blackspot risk high | 12% spore released - blackspot risk high | 25% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Mount Howick
Rainfall to date: 89.8 mm. Days with significant stubble moisture: 33
27 Apr | 4 May | 11 May |
---|---|---|
17% spore released - blackspot risk high | 23% spore released - blackspot risk high | 38% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Mt Barker WA
Rainfall to date: 96.4 mm. Days with significant stubble moisture: 70
27 Apr | 4 May | 11 May |
---|---|---|
89% spore released - blackspot risk low | 92% spore released - blackspot risk low | 97% spore released - blackspot risk low |
Do not sow – not suited agronomically | Do not sow – not suited agronomically | Do not sow – not suited agronomically |
Mullewa
Rainfall to date: 85.6 mm. Days with significant stubble moisture: 27
27 Apr | 4 May | 11 May |
---|---|---|
7% spore released - blackspot risk high | 12% spore released - blackspot risk high | 25% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Narrogin
Rainfall to date: 70.9 mm. Days with significant stubble moisture: 34
27 Apr | 4 May | 11 May |
---|---|---|
19% spore released - blackspot risk high | 25% spore released - blackspot risk high | 41% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Newdegate
Rainfall to date: 52.6 mm. Days with significant stubble moisture: 35
27 Apr | 4 May | 11 May |
---|---|---|
21% spore released - blackspot risk high | 27% spore released - blackspot risk high | 43% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |
Northam
Rainfall to date: 60 mm. Days with significant stubble moisture: 28
27 Apr | 4 May | 11 May |
---|---|---|
9% spore released - blackspot risk high | 13% spore released - blackspot risk high | 27% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Pingrup
Rainfall to date: 76.8 mm. Days with significant stubble moisture: 40
27 Apr | 4 May | 11 May |
---|---|---|
31% spore released - blackspot risk medium | 38% spore released - blackspot risk medium | 55% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow – not suited agronomically |
Salmon Gums
Rainfall to date: 99.2 mm. Days with significant stubble moisture: 60
27 Apr | 4 May | 11 May |
---|---|---|
75% spore released - blackspot risk low | 80% spore released - blackspot risk low | 89% spore released - blackspot risk low |
Do not sow – not suited agronomically | Do not sow – not suited agronomically | Sow – do not sow dry |
Scaddan
Rainfall to date: 93 mm. Days with significant stubble moisture: 51
27 Apr | 4 May | 11 May |
---|---|---|
57% spore released - blackspot risk medium | 64% spore released - blackspot risk low | 77% spore released - blackspot risk low |
Do not sow | Do not sow – not suited agronomically | Sow – do not sow dry |
Tammin
Rainfall to date: 73.5 mm. Days with significant stubble moisture: 21
27 Apr | 4 May | 11 May |
---|---|---|
2% spore released - blackspot risk high | 4% spore released - blackspot risk high | 13% spore released - blackspot risk high |
Do not sow | Do not sow | Do not sow |
Toodyay
Rainfall to date: 54.3 mm. Days with significant stubble moisture: 31
27 Apr | 4 May | 11 May |
---|---|---|
13% spore released - blackspot risk high | 19% spore released - blackspot risk high | 34% spore released - blackspot risk medium |
Do not sow | Do not sow | Do not sow |