1. Parr, W. J., andHUSSEY, N. W. (1962). Response of the cucumber plant to different levels of artificial leaf damage in an attempt to simulate the effects of red spider mite.Rep. Glasshouse Crops Res. Inst., 1961, 95–9.
2. Parr, W. J., andHussey, N. W. (1963). Effect of petroleum oil sprays and sulphur vaporization on the cropping of cucumber plants.Rep. Glasshouse Crops Res. Inst., 1962, 105–8.