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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Citrus

Fruit Set with Gibberellic Acids (GA3)

(Reviewed 9/08, updated 9/08)

In this Guideline:
Variety Amount to Use (g a.i./a = grams active ingredient/acre) Time
A. CLEMENTINE MANDARIN 1–8 g a.i./a in water spray Make 1 to 2 applications between 50% petal fall and
  3 weeks after petal fall
  COMMENTS: Restricted entry interval (REI): 12 hours. Use a dilute spray with sufficient spray volume for adequate coverage of tree canopy. Do not apply mixtures of materials that produce a pH higher than 8.0 (see precautions under Plant Growth Regulators-General Information).

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Citrus
UC ANR Publication 3441
Plant Growth Regulators
C. J. Lovatt, Botany and Plant Sciences, UC Riverside
Acknowledgment for contributions to Plant Growth Regulators:
C. W. Coggins, Jr., Botany and Plant Sciences, UC Riverside

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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