Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 34
There were 10 replicates of each treatment . ii ) Small plot studies Swards of '
Grasslands Roa ' tall fescue / endophyte - infected or endophyte ... 5 m plots (
plastic troughs ) of sieved Horotiu sandy loam soil at Ruakura on 13 September
1985 .
There were 10 replicates of each treatment . ii ) Small plot studies Swards of '
Grasslands Roa ' tall fescue / endophyte - infected or endophyte ... 5 m plots (
plastic troughs ) of sieved Horotiu sandy loam soil at Ruakura on 13 September
1985 .
Page 260
260 THE EFFECTS OF WEEDS ON ARMYWORM IN MAIZE M . G . HILL and D . J
. ALLAN Entomology Division , DSIR , Private Bag , Auckland SUMMARY Plots of
maize ( Zea mays ) plants were grown under weedy and weedfree conditions ...
260 THE EFFECTS OF WEEDS ON ARMYWORM IN MAIZE M . G . HILL and D . J
. ALLAN Entomology Division , DSIR , Private Bag , Auckland SUMMARY Plots of
maize ( Zea mays ) plants were grown under weedy and weedfree conditions ...
Page 262
... 95 % confidence intervals ) of armyworm larvae from weedy and weed - free
maize plots . n = sample size . Weedy Plots 95 % CI Weed - Free Plots Mean 95
% CIn Mean n a ) Preserved and dissected : Maize plants 63 . 4 Ground layer 49 .
... 95 % confidence intervals ) of armyworm larvae from weedy and weed - free
maize plots . n = sample size . Weedy Plots 95 % CI Weed - Free Plots Mean 95
% CIn Mean n a ) Preserved and dissected : Maize plants 63 . 4 Ground layer 49 .
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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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Common terms and phrases
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