Proceedings of the New Zealand Weed and Pest Control Conference1985 - Pesticides |
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Page 16
... period . At Site C , production was measured over the period 20/8/84 to 7/11/84 . Pre- and post - grazing DM estimates were taken at both sites . An electronic pasture probe ( Design Electronics Ltd. , Palmerston North ) was used to ...
... period . At Site C , production was measured over the period 20/8/84 to 7/11/84 . Pre- and post - grazing DM estimates were taken at both sites . An electronic pasture probe ( Design Electronics Ltd. , Palmerston North ) was used to ...
Page 17
... period and although porina feeding damage was very evident at the time of applying the treatments , little damage was noted over the period production was measured . This suggests either a rapid decline in porina numbers occurred or ...
... period and although porina feeding damage was very evident at the time of applying the treatments , little damage was noted over the period production was measured . This suggests either a rapid decline in porina numbers occurred or ...
Page 185
... period July - August was greater in 1984 ( 11/31 sites ) than in 1983 ( 3/29 sites ) ( chi sq = 4.4 , d.f : 1 , p < 0.05 ) . No winged 4th stage nymphs were found on autumn - sown cereals during this period , but winged adults were ...
... period July - August was greater in 1984 ( 11/31 sites ) than in 1983 ( 3/29 sites ) ( chi sq = 4.4 , d.f : 1 , p < 0.05 ) . No winged 4th stage nymphs were found on autumn - sown cereals during this period , but winged adults were ...
Contents
Author Index | 8 |
Annual Report | 14 |
Differences in susceptibility of grass grub in Taranaki to organophosphate | 27 |
Copyright | |
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38th N.Z. Weed adults alachlor aphid apple application assessed Auckland autumn barley bioassay blueberries bushes chemical chlormethazole chlorpyrifos Christchurch clopyralid crop cultivars cypermethrin daisy damage daminozide diazinon DSIR effect fensulfothion fertiliser field trials flowering fruit fungicide gave glyphosate gorse greedy scale growers growth Hamilton harvest herbicides hexazinone infested insect insecticides kg ai/ha kill kiwifruit larvae leafroller levels Lincoln lindane litres litres/ha loam loliae lolitrem lucerne metsulfuron-methyl mites miticides mortality nematodes numbers oxadiazon oxyfluorfen P.O. Box Palmerston North pasture peach seedlings pellets Pest Control Conf phylloxera picloram plants plots populations porina post-emergence Private Proc pruning ragwort rates reduced replicates residual rhizome root Ruakura ryegrass samples season seed treatment significant significantly simazine soil species spray St John's wort stem weevil sward Table terbufos tested thistle tiller treated triadimenol trifluralin unsprayed untreated vines Waikato Weed and Pest weed control white clover yield Zealand