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Chemical defoliation of rubber trees by mist-spraying

, : Chemical defoliation of rubber trees by mist-spraying. Pesquisa Agropecuaria Brasileira 17(11): 1621-1626

In trials at 2 localities, thidiazuron at 1 kg/ha was applied in late May at 7 litres/ha to 13-year-old trees of the rubber clone FX 3899 growing in Camamu and to 25-year-old trees of the clone FX 25 in Una to induce defoliation and early refoliation to avoid infection by Microcyclus ulei and Phytophthora spp. Satisfactory defoliation, refoliation and avoidance of infection were obtained in Camamu but not in Una.

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