Effects of gamma radiation on the reproduction of Tyrophagus neiswanderi Johnston et Bruce (Acari, Acaridae), a mite pest of ornamental plants
1998
Ignatowicz, S. (Warsaw Agricultural University (Poland). Dept. of Applied Entomology)
Tyrophagus neiswanderi is a species commonly infesting a wide range of vegetables and ornamental plants. Tyrophagus neiswanderi mites may be controlled by using chemicals, but irradiation appears to offer promise. However, a dose as high as 1.8 kGy did not cause the immediate mortality of treated males and females, but all mites were dead during the first week post-treatment. The complete sterility of T. neiswanderi mites occurs for gamma applied at 0.4 kGy, and this dosage is suggested for radiation disinfestation of agricultural commodities infested by T. neiswanderi mites. Radiation may be applied for disinfestation of either straw bales on which plants will grow, or cut-flowers, in order to limit the spread of these mites
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