A subdegree of maturity. Crude leaves are usually hard and slick as a result of extreme immaturity. A similar condition may result from sunburn or sunscald. Any leaf which is crude to the extent of 20 percent of its leaf surface may be described as crude. (See Rule 19.)

[24 FR 8771, Oct. 29, 1959; 24 FR 9121, Nov. 10, 1959. Redesignated at 49 FR 16757, Apr. 20, 1984]