[Market-farming] Sample size for seed germination tests

E C GRANATA elainegranata at msn.com
Thu Jan 17 00:32:39 EST 2013

You ask some good questions. I don't know what's the right number, but I take 10 seed to facilitate computing the percentage-- just did 10 peas, 9 germinated so figure I have 90% viability. ElaineDenver
 Date: Tue, 15 Jan 2013 10:17:04 -0600
From: grizzdover at gmail.com
To: market-farming at lists.ibiblio.org
Subject: [Market-farming] Sample size for seed germination tests

Hello All,

I would like to do some germination tests on various vegetable and cover crop seed I have leftover from last season.  I'm wondering if any of you have some insight on how many seed of each crop I should use for an "accurate" sample size?  I'm wondering if I should use a larger sample size for seeds with a lower listed germination rate (like 60%) then varieties with a higher germination rate ( 90%+) as listed on the package.  Also are there any general rules for the quantity of seed on hand compared with the sample size?  For instance, I would think I would need a proportionally larger sample size for a 50 lb. bag of cover crop seed compared to 1 oz of lettuce/tomato seed.

Any other tips for conducting germination tests that would give me a good representation of what I can expect out of the whole lot of seed?

Thanks in advance,

Ben Saunders
Granger, Iowa

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