Section 601.89 - Citrus fruit; when damaged by freezing(1) Citrus fruit shall be deemed "seriously" damaged by freezing when such freezing causes: (a) Marked dryness to extend into the segments of oranges and grapefruit more than 1/2 inch at the stem end; or into segments of mandarin or hybrid varieties more than 1/4 inch at the stem end; or more than an equivalent amount by volume of dryness to occur in any other portions of the fruit.(b) Internal freeze-related injury, as defined in subsection (3), when such condition or combination of conditions is determined to affect the fruit to a degree equal in seriousness to that described in paragraph (a).(2) Citrus fruit shall be deemed "damaged" by freezing when such freezing causes:(a) Marked dryness to extend into the segments of oranges and grapefruit more than 1/4 inch but less than 1/2 inch at the stem end; or into segments of mandarin or hybrid varieties more than 1/8 inch but less than 1/4 inch at the stem end; or more than an equivalent amount by volume of dryness to occur in any portions of the fruit.(b) Internal freeze-related injury, as defined by subsection (3), when such condition or combination of conditions is determined to affect the fruit to a degree equal in seriousness to that described in paragraph (a).(3) Internal freeze-related injury to citrus fruit, caused by freezing, shall consist of any of the following: (a) Wet cores or wet segment walls;(c) Juice cell breakdown;(e) Honeycomb or open spaces in pulp; or(f) Other evidence of internal breakdown, decay, or moldy condition.s. 89, ch. 25149, 1949; s. 1, ch. 81-97.