Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 67
On the same day , scarified tree lucerne seed ( 80 % viable ) was broadcast at 14
kg / ha ( c . 50 seeds / m2 ) . Inoculated seed was 1 . untreated ; 2 . treated with
metalaxyl ( Ridomil ) at 3 g ai / kg seed before sowing ; 3 . mixed with methiocarb
...
On the same day , scarified tree lucerne seed ( 80 % viable ) was broadcast at 14
kg / ha ( c . 50 seeds / m2 ) . Inoculated seed was 1 . untreated ; 2 . treated with
metalaxyl ( Ridomil ) at 3 g ai / kg seed before sowing ; 3 . mixed with methiocarb
...
Page 136
Mortality on the untreated and insecticide - treated vines was not significantly
different for the first 2 weeks after treatment . Differences emerged over later
samplings , although mortality on untreated vines rose as an increasing
proportion of the ...
Mortality on the untreated and insecticide - treated vines was not significantly
different for the first 2 weeks after treatment . Differences emerged over later
samplings , although mortality on untreated vines rose as an increasing
proportion of the ...
Page 170
On 18 January the first evidence of phytotoxicity was observed on plants treated
with simazine . The symptoms were interveinal chlorosis , followed by a water
soaked appearance , browning , necrosis and shedding of the leaves .
On 18 January the first evidence of phytotoxicity was observed on plants treated
with simazine . The symptoms were interveinal chlorosis , followed by a water
soaked appearance , browning , necrosis and shedding of the leaves .
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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