Oregon Bulletin

August 1, 2011


Department of Agriculture
Chapter 603

Rule Caption: Lists Downy Brome as prohibited weed seed in grass seed certified for Oregon Sod Quality.

Adm. Order No.: DOA 10-2011(Temp)

Filed with Sec. of State: 6-30-2011

Certified to be Effective: 7-1-11 thru 12-20-11

Notice Publication Date:

Rules Amended: 603-056-0145

Subject: Oregon’s Sod Quality Seed certification program is used as a tool for marketing premium Oregon turf grass sees. Annually more than 110,000 tags are issued to certify that grass seed meets Oregon Sod Quality seed standards. however, in February 2011 a change was made to the “All States Noxious Weed list” which now allows Downy Brome — Bromus tectorum, as a restricted weed seed in Oregon Sod Quality seed lost. The allowance of this contaminate diminishes the value of Oregon Sod Quality certification, as such, the Oregon Seed trade and Oregon Seed Council has requested a change in rule to prohibit Downy Brome.

Rules Coordinator: Sue Gooch—(503) 986-4583


Standards for Sod Quality Certification

(1) The seed lots submitted shall meet all standards for certification by Oregon State University.

(2) The seed standards for “Oregon Sod Quality Seed” of hard fescue, sheep fescue, blue fescue, Kentucky bluegrass, red fescue, chewings fescue, perennial ryegrass, bentgrass and tall fescue shall be as set out in Table 1.

(3) “Noxious Weed” and “Crop and Weed” analyses shall be based on a 20 gram sample for hard fescue, sheep fescue and blue fescue, 25 gram sample for Kentucky bluegrass (except a 10 gram Poa annua search), 30 gram sample for red fescue and chewings fescue, 50 gram sample for ryegrass and tall fescue, and a 2-1/2 gram sample for bentgrass. Testing shall be discontinued when results of the tests exceed the maximum limits set forth in Table 1.

[ED. NOTE: Tables referenced are available from the agency.]

Stat. Auth.: ORS 561.190 & 633.520

Stats. Implemented: ORS 633.680

Hist.: AD 1040(30-74), f. 8-20-74, ef. 9-11-74; AD 1060(6-75), f. 5-30-75, ef. 6-25-75; AD 2-1979, f. & ef. 1-29-79; AD 9-1982, f. & ef. 9-9-82; AD 3-1990, f. & cert. ef. 3-16-90; AD 1-1991, f. & cert. ef. 1-14-91; DOA 25-2000, f. & cert. ef. 9-15-00; DOA 10-2011(Temp), f. 6-30-11, cert. ef. 7-1-11 thru 12-20-11

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