Methyl bromide fumigation of pineapple scale, Diaspis bromeliae (Kerner)Tools Murray, D.A.H., Swaine, G. and Corcoran, R.J. (1979) Methyl bromide fumigation of pineapple scale, Diaspis bromeliae (Kerner). Queensland Journal of Agricultural and Animal Sciences, 36 (1). pp. 87-90.
AbstractCrowns, suckers and slips of Smooth Cayenne pineapples infested with D. bromeliae were fumigated in a fumigation chamber with methyl bromide at 27-55 g/m3 for 2 h at 20 deg C. Fumigation at 46 or 55 g/m3 eliminated D. bromeliae, assessed 14 days later. No phytotoxicity was caused on disease-free material, but suckers severely infected with Phytophthora cinnamomi suffered severe leaf burn at all dosage rates. ADDITIONAL ABSTRACT: Diaspis bromeliae (Kerner), an occasional pest of pineapple in south-eastern Queensland, was eliminated from pineapple planting material by fumigating with methyl bromide at a dosage of 46 g/m3 for 2 h at 20 deg C. This could be used to prevent the spread of the scale to uninfested districts.
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