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Applications Due August 1
The general seed certification standards are basic and together
with the following specific standards constitute the standards
for the certification of soybeans in Missouri.
Seed Source
- The grower must have planted Foundation or Registered
seed of an eligible variety.
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Land Requirements
- Soybeans may not be produced on land that was planted
to soybeans the previous season, unless Certified seed of
the same class and variety was planted.
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Field Standards
- Seed fields shall be inspected at least once prior to
harvest, preferably near maturity.
- Fields will be rejected if:
- They are heavily infested with weeds or if there is
evidence of poor production practices.
- Fields contain black nightshade or balloonvine.
- They contain excessive infestation of cocklebur and
morning glory plants that will mature seed prior to
harvest.
- Plants of corn, commercial sunflower or excessive
sorghum have not been removed.
- The crop indicates a varietal mixture in excess of
0.25%.
- If two varieties are planted in the same field, at least
one standard row width shall be left barren or planted to
another crop.
- Where two classes of the same variety (Registered
and Certified) are planted in the same field, you must
show on the application either the number of rows of
each class or place a marker at each end of the field
where one class ends and the other begins.
- All end rows must be planted to the same variety
as the remainder of the field.
- Specific Requirements
|
Maximum permitted in each class |
|
Factor
|
F
|
R
|
C
|
| Other Crops* |
1:5000
|
1:2500
|
1:500
|
| Corn, sorghum, sunflower |
none
|
none
|
none
|
| Prohibited weeds** |
none
|
none
|
none
|
* Other varieties shall be considered
to include off-type plants that can be differentiated
from the variety that is being inspected.
** Field bindweed, johnsongrass, sorghum almum, black
nightshade & balloonvine |
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Seed Standards
|
F |
R |
C |
| Pure Seed (min.) |
99.00%
|
99.00%
|
99.00%
|
| Inert Matter* (max) |
1.00
|
1.00
|
1.00
|
Other Crop Seed**
(max all classes) |
not to exceed 3/lb.
|
|
Other varieties*** (max)
|
1/lb.
|
2/lb
|
8/lb
|
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Weed Seed+
(max all classes)
|
not to exceed 3/lb.
|
| Prohibited Weeds ++ |
none
|
none
|
none
|
| Germination +++ |
85.00%
|
85.00%
|
85.00%
|
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* Not to exceed 2/lb dirt peds or rocks
** Must be free of corn, rice and sorghum
*** Off-colored soybeans due to environmental factors
shall not be considered other varieties. Other varieties
shall be considered to include off-type seeds that can
be differentiated from the variety being inspected.
+ Must be free of cockleburs, black nightshade & balloonvine.
May not contain in excess of 1 morning glory per pound.
++ Prohibited weeds are field bindweed, johnsongrass,
sorghum almum, balloonvine & black nightshade.
+++ Re-certification of carryover soybeans is not permitted,
except for the foundation class in certain instances.
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Herbicide Resistant/Tolerant Screenings
All varieties claiming resistance/tolerance
to a particular herbicide must undergo a laboratory screening
(seed soak or growout) before certification can be completed
for that particular lot of seed.
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