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Preliminary evaluation of low ethephon doses for inducing fruit abscission of macadamia, (Macadamia integrifolia) cv. A16



Preliminary evaluation of low ethephon doses for inducing fruit abscission of macadamia, (Macadamia integrifolia) cv. A16



Tropical Agriculture 80(4): 243-245



High doses of ethephon promote fruit abscission of the late-abscising macadamia (Macadamia integrifolia) cv. A16. Concerns that associated leaf abscission may reduce subsequent yield led to an evaluation of low ethephon doses for inducing fruit abscission. A wide range of doses (600-1200 mg L-1, or four sequential applications of 300 mg L-1) reduced fruit removal force and accelerated fruit abscission. However, subsequent yield and quality were not affected.

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