GroundRules
7 CFR 201.61: Fluorescence percentages in ryegrasses.
Where this section sits in the code
- Title 7—Agriculture
- Subtitle B—Regulations of the Department of Agriculture
- CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE
- SUBCHAPTER K—FEDERAL SEED ACT
- PART 201—FEDERAL SEED ACT REQUIREMENTS
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.
Fluorescence Tolerance, Based on Test Fluorescence (TFL)
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
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
Collected 2026-08-27T02:24:01Z. Source file · JSON