![Page 1: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/1.jpg)
Aflatoxin Concerns
2019 Crop
March 4, 2020
![Page 2: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/2.jpg)
Three Messages:
1. There is aflatoxin contamination in the 2019
Southeast Peanut Crop.
2. This is largely due to Mother Nature, conditions
were perfect to cause this problem.
3. The industry can work thru this crop, but there
will be challenges.
![Page 3: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/3.jpg)
22.5%21.6%
5.3%4.3%
8.6%
13.1%
15.7%
7.6%
16.7%
33.1%
0%
5%
10%
15%
20%
25%
30%
35%
Pe
rce
nt
of
She
lled
Lo
ts >
15
pp
b a
vg.
Crop Year
Historical JLA USDA Aflatoxin Fail Rates (>15ppb avg.) for SE Runners by Crop Year
* All 2018 Crop Data for Oct. 2019 is missing from this
![Page 4: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/4.jpg)
37
23
5
22
0
5
8
4
2
9
13 13
4
16
1
7
17
16
33
0
5
10
15
20
25
30
35
40
Sept Oct Nov Dec Jan Feb March April May June July Aug Sept Oct Nov Dec
% F
ail >
15
pp
b
Southeast Runner USDA Fail (>15ppb) Trends 2010 - 2019 Crop Years
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2019
2010
2011
2012
2013
2014
2015
20162018
2017
![Page 5: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/5.jpg)
0
10
20
30
40
50
0 ppb 1-5 ppb 6-10 ppb 11-15 ppb 16-30 ppb Over 30 ppb
Per
cen
tage
%
Aflatoxin Levels - parts per billion
2019 Crop JLA Southeast Runner USDA Avg. Aflatoxin Results by Grade thru Feb. 29, 2020
2019 SE Crop -NO. OneRunners
2019 SE Crop -MediumRunners
2019 SE Crop -JumboRunners
2019 SE Crop -Runner Splits
![Page 6: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/6.jpg)
0
10
20
30
40
50
60
70
80
90
100
0 ppb 1-5 ppb 6-10 ppb 11-15 ppb 16-30 ppb Over 30 ppb
Per
cen
tage
%
Aflatoxin Levels - parts per billion
2019 Crop JLA USDA Aflatoxin Results by Region and Market Type
SW Crop (Runners)
SW Crop (Spanish)
SW Crop (Virginias)
![Page 7: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/7.jpg)
Early season drought in April and May postponed
planting, esp. dryland
Moderate to severe drought conditions for 6-8 weeks
leading up to harvest
Record high temperatures late September early October
Harvest delays from hard, dry soils
Late October rains caused further delays Rewetting of windrowed peanuts; post-harvest aflatoxin
2+ weeks in field
Weakened vine integrity; lower yields
2019 Southeast Peanut Crop
![Page 8: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/8.jpg)
Early 2019 Season Southeast Drought
![Page 9: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/9.jpg)
Aflatoxin Contributors 2019
Late season rains after drought conditions
leading to post-harvest aflatoxin
Visible plant stress from drought
conditions in late SeptemberTurned vines that laid in windrows
for several weeks in late October
![Page 10: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/10.jpg)
Weather Contributors = Damaged Kernels
Rootworm Damage in Irrigated Field Rancidity/Decay Sprouting
Visible Molds
Source: JLA personal photos taken throughout 2019 growing season
![Page 11: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/11.jpg)
70
75
80
85
90
95
100
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Max
Dai
ly A
vg. T
emp
(°F
)
Peanut Harvest (Sept. thru Oct.) Max Daily Avg. Temperatures 2010 - 2019 Crops - Tifton, GA
Sept. Max Daily Avg. Oct. Max Daily Avg. Sept. - Oct Avg. Max Daily Avg.
![Page 12: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/12.jpg)
0.5 0.460.73
3
4.2
8.1
0
1
2
3
4
5
6
7
8
9
Donalsonville, GA Tifton, GA Statesboro, GA
Rai
nfa
ll (i
n.)
2019 Crop Harvest Rainfall (September and October) Across Georgia
Sept. 2019 Rainfall (in.) Oct. 2019 Rainfall (in.)
![Page 13: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/13.jpg)
Recent Drought Year Comparisons
![Page 14: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/14.jpg)
August 22-28, 2019 SE Crop Pre-Drought Conditions
![Page 15: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/15.jpg)
October 3-9, 2019 SE Crop Drought Conditions
![Page 16: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/16.jpg)
How Do We Handle?
Recognize the situation.
Good communication, planning and patience.
Diagnose and minimize high risk kernels
• Damage, low density, and smaller grades (immaturity)
• Blanching
Understand your testing regime and the
costs/risks that you are willing to accept.
![Page 17: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/17.jpg)
How Do We Handle?Commercial Implications
Sampling is the largest source of variation in the
aflatoxin testing program.
Sampling variation can be reduced by
considering larger sample sizes.
This comes at a cost that must be balanced
against risk tolerance.
In a high risk crop year, supplemental testing
makes sense.
![Page 18: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/18.jpg)
https://www.smithsonianmag.com/smart-news/23-kids-peanut-allergies-were-cured-180954053/
Remember why:
![Page 19: Aflatoxin Concerns 2019 Crop - Peanut Shellers › pdf › MikeJacksonSP20.pdf · There is aflatoxin contamination in the 2019 Southeast Peanut Crop. 2. This is largely due to Mother](https://reader034.vdocument.in/reader034/viewer/2022042411/5f29335f6d19d625a41b5e88/html5/thumbnails/19.jpg)
Thank You