| Jacobson, R. J., Croft, P. & Fenlon, J. (1999) Response to fenbutatin oxide in populations of Tetranychus urticae Koch (Acari: Tetranychidae) in UK protected crops. Crop Protection, 18, 47-52. |
....population densities and there is insufficient time to achieve control with P. persimilis. Torq must therefore be applied at an early stage of the infestation. This has placed too much dependence on the acaricide and there is evidence that some spider mite populations are becoming resistant to it (Jacobson et al. 1999). In this paper, we examine if we can use morphological characters, especially the setation on tibia I of females used by Kuang and Cheng (1990) to separate T. urticae and T. cinnabarinus from greenhouse tomato crops in UK. We also examine the correlation of this charcter with other characters ....
Jacobson, R. J., Croft, P. & Fenlon, J. (1999) Response to fenbutatin oxide in populations of Tetranychus urticae Koch (Acari: Tetranychidae) in UK protected crops. Crop Protection, 18, 47-52.
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