Imágenes de páginas
PDF
EPUB
[graphic][subsumed]

TABLE 2-GERMINATION REQUIREMENTS FOR INDICATED KINDS-Continued

[ocr errors]
[ocr errors]
[ocr errors]

Photos 19531, 19532.

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][subsumed][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][subsumed][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][subsumed][merged small][subsumed][merged small][ocr errors][subsumed][subsumed][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][subsumed][ocr errors][merged small][merged small][merged small][subsumed][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

669

[blocks in formation]

Artichoke-Cynara scolymus.

Asparagus-Asparagus officinalis

Asparagusbean-Vigna sesquipedalis.

Beans:

[blocks in formation]
[graphic][subsumed][subsumed][subsumed][subsumed]

TABLE 2-GERMINATION REQUIREMENTS FOR INDICATED KINDS-Continued

[ocr errors]
[ocr errors]
[merged small][subsumed][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][merged small][merged small][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed]
[blocks in formation]

Rhizomatous derivatives of a johnsongrass X sorghum cross or a johnsongrass X sudangrass cross.

[20 F.R. 7928, Oct. 21, 1955, as amended at 22 F.R. 4911, July 12, 1957, 24 F.R. 3954, May 15, 1959, 25 F.R. 8772, Sept. 18, 1960, 26 F.R. 10035, Oct. 26, 1961, 27 F.R. 3253, Apr. 5, 1962, 28 F.R. 5361, May 30, 1963, 30 F.R. 7891, June 18, 1965; 32 F.R. 12781, Sept. 6, 1967; 35 F.R. 6108, Apr. 15, 1970]

[graphic]
[ocr errors]

EXAMINATIONS IN THE ADMINISTRATION OF

THE ACT

§ 201.58a Indistinguishable seed.

When the identification of the kind, variety, or type of seed or determination that seed is hybrid is not possible by seed characteristics, identification may be based upon the seedling, growing plant, or mature plant characteristics according to such authentic information as is available.

(a) Ryegrass. In determining the proportions of perennial and annual or Italian ryegrass seed, 400 seeds shall be grown on filter paper and the number of

Percent annual or Italian ryegrass=

fluorescent seedlings determined under ultraviolet light at the end of the germination period. The percentages of pure ryegrass seed, normal fluorescent seedlings, and normal nonfluorescent seedlings shall be determined. The percentage of normal fluorescent seedlings or normal nonfluorescent seedlings is the number of each found in the test divided by the total number of seeds in the test. The results shall be applied as follows:

(1) If the quotient obtained by dividing the number of normal fluorescent seedlings by the number of normal seedlings is greater than 75 percent, the following formula shall be used:

% fluorescent seedlings X % pure ryegrass
% germination

The percentage of perennial ryegrass is determined by subtracting the percentage of annual or Italian ryegrass found from the percentage of pure ryegrass. (2) If the quotient referred to in (1) is 75 percent or less, the following formula shall be used:

Percent perennial ryegrass=

1.0526% nonfluorescent X % pure ryegrass seedlings % germination

The percentage of annual or Italian ryegrass is determined by subtracting the percentage of perennial ryegrass found from the percentage of pure ryegrass.

(3) Varieties of annual or perennial ryegrass having as a characteristic a percentage of fluorescence less than 100 percent for an annual variety or more than 5 percent for a perennial variety shall not be subjected to the formulas in subparagraphs (1) and (2) of this paragraph for a determination as to kind. Varieties in commercial channels in the United States which are not subjected to the above formulas include but are not limited to the following:

Ariki.

Magnolia.

(b) Sweetclover. In determining the percentage of yellow blossom sweetclover in a mixture of yellow and white blossom sweetclover, at least 400 seeds shall be examined to determine the percentage of mottled seed. The percentage of mottled seed shall be multiplied by four and this

product multiplied by the percentage of sweetclover in the sample. The product shall be construed as representing the percentage of yellow blossom sweetclover. [5 F. R. 35, Jan. 4, 1940, as amended at 20 F.R. 7940, Oct. 21, 1955, 28 F.R. 5361, May 30, 1963, 30 F.R. 7892, June 18, 1965; 32 F.R. 12781, Sept. 6, 1967; 35 F.R. 6108, Apr. 15, 1970]

§ 201.58b Origin.

The presence of incidental weed seeds, foreign matter, or any other existing circumstances shall be considered in determining the origin of seed.

[5 F. R. 35, Jan. 4, 1940. Redesignated at 20 F. R. 7940, Oct. 21, 1955]

TOLERANCES

8 201.59 Application.

Tolerances shall be recognized between the percentages or rates of occurrence found by analysis, test, or examination in the administration of the act and percentages or rates of occurrence required

« AnteriorContinuar »