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Journal of the Department of Agriculture, Western Australia, Series 3

Keywords

Western Australia, Pre-harvest drop, Washington navel oranges, 2 4-D spray, Synthetic plant hormones, Naphthalene acetic acid, N.A.A, 2 4-DichIorophenoxyacetic acid, citrus fruit

First Page Number

55

Last Page Number

58

Abstract

The uses of various synthetic "plant hormones" in agriculture are many—one of the most generally known of these uses being their action in reducing pre-harvest drop of fruit. Naphthalene acetic acid, commonly known as N.A.A. is widely used for this purpose with apples, but 2,4-DichIorophenoxyacetic acid, commonly known as 2,4-D, is much more effective with citrus fruit.

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