Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 85
Bowers and Porter noted that the addition of surfactant increased damage to
radiata pine from hexazinone soluble powder formulation ( 1975 ) and also
observed temporary growth suppression at 7 . 2 kg ai / ha ( 1977 ) . Cameron and
Stokes ...
Bowers and Porter noted that the addition of surfactant increased damage to
radiata pine from hexazinone soluble powder formulation ( 1975 ) and also
observed temporary growth suppression at 7 . 2 kg ai / ha ( 1977 ) . Cameron and
Stokes ...
Page 232
232 TABLE 2 : Longevity and fate of root tips as observed from a rhizotron .
Number of root tips observed Mean length Percentage damaged by invertebrate
feeding Mean longevity of root tips 287 2 . 7 cm 50 . 9 14 . 6 days ( range 3 - 46 )
...
232 TABLE 2 : Longevity and fate of root tips as observed from a rhizotron .
Number of root tips observed Mean length Percentage damaged by invertebrate
feeding Mean longevity of root tips 287 2 . 7 cm 50 . 9 14 . 6 days ( range 3 - 46 )
...
Page 233
Some fauna observed from the rhizotron were not found in a parallel coring / heat
extraction study , notably the Diplura and slugs ( Carpenter 1985 ) . Conversely
mites were seldom observed but were common in the coring study . Nematodes ...
Some fauna observed from the rhizotron were not found in a parallel coring / heat
extraction study , notably the Diplura and slugs ( Carpenter 1985 ) . Conversely
mites were seldom observed but were common in the coring study . Nematodes ...
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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