Secondary-fruit yellowing (SFY) of navel orange as affected by date of induction by fruit-stem ringing, 1982 61 2.2. Fruit ethylene, secondary-fruit yellowing (SFY) , and fruit drop of navel and 'Hamlin' orange following fruit-stem ringing and ethephon (ETH) or 2 , 4-dichlorophenoxyacetic acid (2,4-D) stylar-end treatments, 1982. ... 62 2.3. Leaf abaxial diffusive resistance (ADR), xylem water potential (H'x) , total nonstructural carbohydrates (CHO) , and secondary-fruit yellowing (SFY) of navel orange as affected by fruit-stem ringing, 1982 67 2.4. Leaf abaxial diffusive resistance (ADR), xylem water potential (H'x) , total nonstructural carbohydrates (CHO) , and secondary-fruit yellowing (SFY) of navel orange as affected by branch sawing or scoring, 1982 68 2.5. Leaf total nonstructural carbohydrates (CHO) of navel orange as affected by trunk girdling, 1982 69 2.6. Secondary-fruit yellowing (SFY) of navel orange following fruit-stem or branch ringing and leaf removal treatments, 1980 to 1982 70 2.7.Secondary-fruit yellowing (SFY) of navel orange following fruit-stem ringing as affected by 2, 4-dichlorophenoxyacetic acid (2,4-D) applications, 1982^2.8. Secondary-fruit yellowing (SFY) of navel orange following fruit-stem ringing as affected by 2 , 4-dichlorophenoxyacetic acid (2,4-D) wholetree application or trunk girdling, 1982.