Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 119
TABLE 2 : The calculated ECso values ( kg ai / ha and 95 % confidence intervals
) for predator species bioassayed in soil treated with granular insecticides , with
soil type and intervals between treatment and initiation of tests . Insecticide ...
TABLE 2 : The calculated ECso values ( kg ai / ha and 95 % confidence intervals
) for predator species bioassayed in soil treated with granular insecticides , with
soil type and intervals between treatment and initiation of tests . Insecticide ...
Page 120
120 TABLE 3 : Numbers of live predatory invertebrates recovered from two
insecticide field trials ( sampling methods and replicates pooled within treatments
; see text for details ) , and density of C . exsul and T . orthodoxus from soil
sampling .
120 TABLE 3 : Numbers of live predatory invertebrates recovered from two
insecticide field trials ( sampling methods and replicates pooled within treatments
; see text for details ) , and density of C . exsul and T . orthodoxus from soil
sampling .
Page 133
However , numbers of first instar scale on leaves were similar on insecticide -
treated vines in spring . Chlorpyrifos and diazinon residues decreased rapidly in
the first week after application , then declined more slowly with half lives for two ...
However , numbers of first instar scale on leaves were similar on insecticide -
treated vines in spring . Chlorpyrifos and diazinon residues decreased rapidly in
the first week after application , then declined more slowly with half lives for two ...
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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