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 ...
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 ...
Page 105
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 terbuthylazine / terbumeton at ...
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 terbuthylazine / terbumeton at ...
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 ...
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 ...
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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