Proceedings of the New Zealand Weed and Pest Control Conference1990 - Pesticides |
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Page 46
... rates . Chloroxuron ( soil treatment only ) , chlorthal - dimethyl , diphenamid , lenacil . Alachlor and asulam caused slight injury . Chloramben , chloridazon , oryzalin and propachlor were safe at low rates . Summary of selected ...
... rates . Chloroxuron ( soil treatment only ) , chlorthal - dimethyl , diphenamid , lenacil . Alachlor and asulam caused slight injury . Chloramben , chloridazon , oryzalin and propachlor were safe at low rates . Summary of selected ...
Page 144
... rates of 20 and 40 g / ha respectively when using mustard as the test species . At the highest rate of 80 g / ha phytotoxic residues persisted in the soil for up to 4 months . Subterranean clover was unaffected by residues from the 20 g ...
... rates of 20 and 40 g / ha respectively when using mustard as the test species . At the highest rate of 80 g / ha phytotoxic residues persisted in the soil for up to 4 months . Subterranean clover was unaffected by residues from the 20 g ...
Page 264
... rates were used only at the first trial site and rates were reduced at subsequent sites . Each of the three chemicals applied to ragwort gave adequate control , with small but non significant differences occurring due to ground speed ...
... rates were used only at the first trial site and rates were reduced at subsequent sites . Each of the three chemicals applied to ragwort gave adequate control , with small but non significant differences occurring due to ground speed ...
Contents
Author Index | 10 |
Research Scholarship | 16 |
Developing an action threshold for lepidopterous pests of cabbage | 26 |
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43rd N.Z. Weed adult aphid apple application asparagus assessed Auckland bioassay block Canterbury catches chemical chlorpyrifos chlorsulfuron Christchurch crops cultivars damage density diazinon dicarboximide disease DSIR DSIR Plant Protection effect endophyte field fungicide genes giant buttercup glyphosate gorse gorse seedlings grass growers growth harvest herbicides infestation insecticide insects instar kg/ha kiwifruit larvae LBAM leaf leafroller levels Lincoln litres MAF Technology MCPA MCPB methidathion method metsulfuron mortality moth nematodes nodding thistle North Island orchard P.O. Box Palmerston North parasitoid pasture permethrin Pest Control Conf pesticides pheromone pheromone traps plots Popay populations pots predation Proc prochloraz programme pyri rates reduced replicates Research residual Rhinocyllus Ruakura ryegrass samples season seed significantly Silwet L77 simazine soil solarisation species spider mite spray Table tall fescue temperatures tested thrips toxicity treatment trees trials triclopyr untreated wasp Weed and Pest weed control white clover yield loss Zealand