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Originally Posted by mcjaredsandwich
General agriculture major/wildlife management minor. Had a lot of plant science classes. Taking a soil fertility class right now. Also interned at the Louisiana Environmental Research Center a couple summers ago. Did a germination study on a native prarie plant. Found some good info for those who grow legumes.
To those planting this spring, try this with your plants that have a harder seed coat. High grade sand paper in the bottom of a shoe box, same grade wrapped on a brick. Place about 40 seeds in the shoe box. Dont force the brick down but let its weight do the work. Move back and forth about 15 times. The bad seeds will crack. Take the good ones and plant. My study showed this method had a 95% germination rate over the 6 week study, with 78% coming in the first 2 weeks.
Any questions feel free to ask. I will help if I can.
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In your study..... 1) without doing this "crack" test, what was the germination rate. 2) what percent of the seeds "cracked" doing this test?
Last spring I had very low [~40-50%] germination with my yellow squash & Zucchini and cucumber success was not much better. I had to replant several times. I had ordered seeds from Gurney's.... same as other years, never had this bad luck planting these type seeds.