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Seed Testing
Missouri Crop Improvement Association offers a seed testing
laboratory managed by a Registered Seed Technologist. Seed
testing is performed according to the Rules for Testing Seeds
developed by the Association of Official Seed Analysts.
Seed Tests Offered:
- Standard Warm Germination
- This test asseses the ability of a seed to produce
a normal plant under favorable conditions.
- Results are reported as percent germination, including
dormant and hard seed.
- This test is available for all crops.
- Tetrazolium (TZ) Test
- Tz tests provide rapid assessment of the germination
potential or vigor of a seedlot and determine viable
dormant seed in certain crops.
- It is a biochemical stain test that requires at least
24 hours.
- This test is available for most crops.
- Accelerated Aging (AA) Test
- This is used to predict storability or vigor of a
seedlot by exposing the seed to high temperature and
humidity.
- High quality seeds will produce normal seedlings while
low quality seeds will produce abnormal seedlings or
dead seeds.
- This test is available for soybeans and wheat.
- Seed Purity/Noxious Weed Analysis
- This is a visual examination of a specific amount
of seed as described in AOSA Rules.
- It is evaluated for the percent pure seed, inert,
other crop, and weed seed.
- A Missouri noxious weed seed exam is usually conducted
along with a purity test.
- MCIA also performs noxious weed seed exams for seed
sales in other states as requested.
- This test is available for all crops.
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For additional information on these tests or questions about
tests not mentioned here, contact:
Missouri Crop Improvement Association
Trent Hall, RST
Lab Supervisor
3211 Lemone Industrial Blvd.
Columbia, MO 65201
(573) 449-0586
FAX (573) 874-3193 MOSEED@AOL.com
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