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Redcedar Seeding Practices

At the Mason State Tree Nursery in central Illinois the standard procedure for the production of redcedar, Juniperus virginiana, seedlings for more than 12 years has been to drill clean, dry seed from refrigerated storage during the first half of September. The seed is stored at 34 degrees for several years prior to sowing. In the years prior to accurate testing, a germination of 30 percent was assumed. Germination, however, does not ordinarily exceed 50 percent and is sometimes very low. So, without accurate testing, seedling density can be extremely variable between seed lots. Before accurate tests were available trial seeding of new seed lots was used to determine future seeding rates. Numerous small seed lots made the task more difficult.


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Author(s): Hugh B. Wycoff

Publication: Tree Planters' Notes - Issue 47 (1961)