Proceedings of the New Zealand Weed and Pest Control Conference1990 - Pesticides |
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Page 166
... Emergence was greater during late summer and early autumn in each year . In November 1988 all plots were cultivated and observations on seedling emergence continued for a further 6 months . At this stage , fewest seedlings emerged from ...
... Emergence was greater during late summer and early autumn in each year . In November 1988 all plots were cultivated and observations on seedling emergence continued for a further 6 months . At this stage , fewest seedlings emerged from ...
Page 167
... emergence was observed at intervals until 31 May 1989 . No gorse plants flowered within 20 m of the plots during the trial . RESULTS Total seedling emergence was significantly greater in the cultivated treatment than in the other two ...
... emergence was observed at intervals until 31 May 1989 . No gorse plants flowered within 20 m of the plots during the trial . RESULTS Total seedling emergence was significantly greater in the cultivated treatment than in the other two ...
Page 169
... emergence , even though it encouraged greater emergence . This is in contrast to the behaviour of nodding thistle ( Carduus nutans ) in a similar experiment ( Popay et al 1987 ) . Cultivation of all the plots in November 1988 increased ...
... emergence , even though it encouraged greater emergence . This is in contrast to the behaviour of nodding thistle ( Carduus nutans ) in a similar experiment ( Popay et al 1987 ) . Cultivation of all the plots in November 1988 increased ...
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