Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 15
A conventional 10 tonne agricultural roller gave no significant grass grub
mortality or pasture yield increase . The other rollers which were specially
constructed for grass grub control , gave from 35 % to 53 % reduction in grass
grub numbers ...
A conventional 10 tonne agricultural roller gave no significant grass grub
mortality or pasture yield increase . The other rollers which were specially
constructed for grass grub control , gave from 35 % to 53 % reduction in grass
grub numbers ...
Page 105
5 kg ai / ha gave good weed kill . All other mixtures / rates gave mediocre to poor
results . Time and moisture resulted in a slight improvement . The combination of
sethoxydim and oxyfluorfen at 0 . 45 and 1 . 26 kg ai / ha respectively and ...
5 kg ai / ha gave good weed kill . All other mixtures / rates gave mediocre to poor
results . Time and moisture resulted in a slight improvement . The combination of
sethoxydim and oxyfluorfen at 0 . 45 and 1 . 26 kg ai / ha respectively and ...
Page 221
In Trial III black nightshade was present only at a low level and most treatments
gave significant control of the weed ( Table 3 ) . The most common weed present
, thornapple , accounted for 80 % of the total weeds present and although the ...
In Trial III black nightshade was present only at a low level and most treatments
gave significant control of the weed ( Table 3 ) . The most common weed present
, thornapple , accounted for 80 % of the total weeds present and although 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