(1) Grades for hop clones which inherently produce slips or rhizomes and/or layered stem cuttings of small caliper shall be determined by a committee appointed by the Washington hop commission.

(2) Washington No. 1 shall consist of hop slips or rhizomes and/or layered stem cuttings of one strain, not less than five inches in length and not less than five-sixteenths inch in diameter and containing at least one visible bud, crowns not less than six inches in length and not less than three-fourths inch in diameter, with one or more visible buds which are:

(a) Fairly fresh.

(b) Firm.

(c) Moist.

(d) Fairly clean.

(e) Free from damage caused by:

(i) Mold.

(ii) Freezing injury.

(iii) Broken or mutilated planting stock.

(iv) Crown gall.

(v) Black rot.