Section 285.623.305. Bluegrass (Poa spp.).

(1) The standards of this rule for bluegrass include Kentucky, rough, and big bluegrasses.

(2)   To be eligible to produce bluegrass certified seed, land shall not have grown, or have been seeded to, bluegrass during the previous 3 years, unless the previous crop was of the same variety and class and  was certified. To produce foundation  seed,  land shall  have been  free of bluegrass for 5 years.

(3)   Bluegrass shall be planted in distinct rows.

(4)   Limitations on the age of stand and pedigree classes of seed through which a variety may be multiplied shall be specified by the originator, but shall not exceed the limitations  that  are established by the certifying agency.

(5)   Field standards for bluegrass seed are as follows:

Classes of Seed

Factor                                                 Foundation                           Certified Other varieties (maximum)1                                                      none                                      2.0% Isolation2, 3 (minimum)                                          165 feet                 165 feet

1  Includes  off-type plants  as  may be designated by the  varietal description.

2  See R 285.623.302 - Isolation.

3  Mechanical isolation is required between rough bluegrass  and  Kentucky bluegrass.

(6)   Seed standards for bluegrass seed are as follows:

Merion

Other     America Varieties

Factor                                                 Foundation            Certified Certified Pure seed (minimum)                                                         95.0%                    95.0%

92.0%

Other crop (maximum)                                      0.1%                      0.25%1

0.25%1

Inert matter (maximum)                     5.0%                      5.0%                       8.0%

Weed seed2 (maximum)                                   0.1%                      0.3%

0.3%

Prohibited noxious weeds (maximum)              none                       none none

Restricted  noxious  weeds  and  St. Johnswart,  docks,  sheep  sorrel,

bedstraw (maximum)                                      27 per pound         45 per pound         45

per pound

Germination (minimum)                                     --                            75.0% 75.0%

1    Common Kentucky bluegrass is limited to 3.0% in merion, sabre, and colt rough bluegrass and 2.0% in all other varieties.

2  Annual bluegrass is not allowed in foundation seed.

History: 1994 AACS.