Most read articles by the same author(s)
- R.B. Chapman, D.R. Penman, Spider mite control practices in greenhouse flower crops , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 38 (1985)
- A.R. Tomkins, D.R. Penman, R.B. Chapman, Meteorological data for predicting apple pest phenology , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 37 (1984)
- K.H. Kabir, R.B. Chapman, D.R. Penman, Use of discriminating concentration for monitoring propargite resistance in two-spotted spider mite , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 44 (1991)
- P. Syrett, D.R. Penman, Comparative toxicity of insecticides to lucerne aphids and their predators , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 33 (1980)
- D.A.J. Teulon, D.R. Penman, Thrips control on stonefruit at harvest with fluvalinate , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 41 (1988)
- D.A.J. Teulon, D.R. Penman, Thrips control on stonefruit at flowering in Canterbury , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 40 (1987)
- B.H. Rohitha, R.P. Pottinger, N.R. Wrenn, Containment and dispersal of spotted alfalfa aphid in the Northern North Island , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 36 (1983)
- K.H. Kabir, R.B. Chapman, D.R. Penman, The precision and utility of bioassay methods for testing miticides against spider mites , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 43 (1990)
- D.A.J. Teulon, D.R. Penman, Spray timing for control of Froggatt's apple leafhopper in Canterbury , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 37 (1984)
- R.B. Chapman, D.R. Penman, Toxicity of synthetic pyrethroid insecticides to phytophagous orchard mites , Proceedings of the New Zealand Weed and Pest Control Conference: Vol. 32 (1979)