Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 117
Isazophos showed consistently high toxicity to all predatory groups in the
laboratory and the field . Carabids ( Rhytisternus miser ) were relatively tolerant
of fensulfothion . Diazinon was generally less toxic to most predators in two field ...
Isazophos showed consistently high toxicity to all predatory groups in the
laboratory and the field . Carabids ( Rhytisternus miser ) were relatively tolerant
of fensulfothion . Diazinon was generally less toxic to most predators in two field ...
Page 139
Unpublished data from leaf samples showed a steady increase in infestation
levels as the season progressed , and fruit samples showed an increasing
infestation from mid - February onwards . Mean crawler numbers over all
sampling ...
Unpublished data from leaf samples showed a steady increase in infestation
levels as the season progressed , and fruit samples showed an increasing
infestation from mid - February onwards . Mean crawler numbers over all
sampling ...
Page 224
The remaining 20 % showed a variable response . While most reports of these
experiments have documented insect responses well , few have given detailed
analyses of crop yield . An experiment was carried out at Lincoln College in the ...
The remaining 20 % showed a variable response . While most reports of these
experiments have documented insect responses well , few have given detailed
analyses of crop yield . An experiment was carried out at Lincoln College in the ...
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Contents
Presidential Address | 13 |
Effect of application volume and spray additive concentration on the control | 89 |
The effect of metsulfuron on sweet brier M McD Turner G Iggo | 95 |
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