Tipburn shall be considered serious damage if the affected portion on one or more leaves exceeds, in the aggregate, an area of one inch by one-half inch, and the color of the tipburn is light buff or darker, but does not include areas showing tan to brown specks with normal lettuce color between such specks.

History

1. New Sections 1436 and 1436.1 filed 7-7-55; effective thirtieth day thereafter (Register 55, No. 10).

2. Amendment filed 5-1-61; effective thirtieth day thereafter (Register 61, No. 9).

3. Renumbering from Section 1436 filed 1-21-75; effective thirtieth day thereafter (Register 75, No. 4).