Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 224
THE EFFECTS OF CROP DIVERSITY ON INSECT PESTS AND YIELD OF CABBAGE G.J. KENNY * and R.B. CHAPMAN Entomology Department , Lincoln College , Canterbury SUMMARY An experiment was carried out to examine the effect of crop structure and ...
THE EFFECTS OF CROP DIVERSITY ON INSECT PESTS AND YIELD OF CABBAGE G.J. KENNY * and R.B. CHAPMAN Entomology Department , Lincoln College , Canterbury SUMMARY An experiment was carried out to examine the effect of crop structure and ...
Page 241
A MICROCOMPUTER BASED PEST MANAGEMENT GAME P.G. FENEMORE and T.M. STEWART Department of Horticulture and Plant Health , Massey University , Palmerston North Most models for the simulation and / or management of crop pests depend on ...
A MICROCOMPUTER BASED PEST MANAGEMENT GAME P.G. FENEMORE and T.M. STEWART Department of Horticulture and Plant Health , Massey University , Palmerston North Most models for the simulation and / or management of crop pests depend on ...
Page 264
264 A SURVEY OF YARROW CONTROL WITH CLOPYRALID ON CANTERBURY MIXED CROPPING FARMS GLEN RUTHERFORD Research ... All applications were followed by a competitive crop , mostly cereals , which helped to achieve the high levels of control .
264 A SURVEY OF YARROW CONTROL WITH CLOPYRALID ON CANTERBURY MIXED CROPPING FARMS GLEN RUTHERFORD Research ... All applications were followed by a competitive crop , mostly cereals , which helped to achieve the high levels of control .
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand