CFR > Title 7 - Agriculture > SUBTITLE B—Regulations of the Department of Agriculture > CHAPTER I—AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices), DEPARTMENT OF AGRICULTURE (parts 27 to 206) > SUBCHAPTER K—FEDERAL SEED ACT (parts 201 to 203) > PART 201—FEDERAL SEED ACT REGULATIONS > 201.61—Fluorescence percentages in ryegrasses.

201.61—Fluorescence percentages in ryegrasses.

Tolerances for 400-seed fluorescence tests shall be those set forth in the following table plus one-half the regular pure-seed tolerance determined in accordance with § 201.60. When only 200 seeds of a component in a mixture are tested, an additional 2 percent shall be added to the fluorescence tolerance.
Percent found fluorescence tolerance
100
99 1.0
98 1.6
97 2.0
96 2.3
95 2.6
94 2.9
93 3.2
92 3.4
91 3.6
90 3.8
89 4.0
88 4.1
87 4.3
86 4.5
85 4.7
84 4.8
83 4.9
82 5.0
81 5.2
80 5.3
79 5.4
78 5.5
77 5.6
76 5.7
75 5.8
74 5.8
73 5.9
72 6.0
71 6.1
70 6.2
69 6.2
68 6.3
67 6.3
66 6.4
65 6.5
64 6.5
63 6.5
62 6.6
61 6.6
60 6.7
59 6.7
58 6.8
57 6.8
56 6.8
55 6.8
54 6.9
53 6.9
52 6.9
51 6.9
50 6.9
49 6.9
48 6.9
47 6.9
46 6.9
45 6.9
44 6.9
43 6.9
42 6.9
41 6.9
40 6.9
39 6.8
38 6.8
37 6.8
36 6.8
35 6.7
34 6.7
33 6.7
32 6.6
31 6.6
Code of Federal Regulations 375
30 6.5
29 6.5
28 6.4
27 6.4
26 6.3
25 6.2
24 6.2
23 6.1
22 6.0
21 5.9
20 5.8
19 5.7
18 5.6
17 5.5
16 5.4
15 5.3
14 5.2
13 5.0
12 4.9
11 4.7
10 4.6
9 4.4
8 4.2
7 4.0
6 3.7
5 3.5
4 3.2
3 2.8
2 2.4
1 1.8
0 1.0

Code of Federal Regulations

[32 FR 12781, Sept. 6, 1967, as amended at 59 FR 64516, Dec. 14, 1994]