Proceedings of the New Zealand Weed and Pest Control Conference1990 - Pesticides |
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Page 61
... showed that 10 % of the thrips remained in the untreated control spears after vigorous tapping ( Table 1 ) . A comparison of the mean number of live thrips from the untreated control with that from the treated showed that the treatments ...
... showed that 10 % of the thrips remained in the untreated control spears after vigorous tapping ( Table 1 ) . A comparison of the mean number of live thrips from the untreated control with that from the treated showed that the treatments ...
Page 79
... showed a 25 % infestation of buds . This feeding tends to weaken the bud making it fold over and become unmarketable . In addition , the aesthetically unpleasant frothy ' spit ' produced during the nymphal stage causes concern ...
... showed a 25 % infestation of buds . This feeding tends to weaken the bud making it fold over and become unmarketable . In addition , the aesthetically unpleasant frothy ' spit ' produced during the nymphal stage causes concern ...
Page 151
... showed more than 18 % reduction when foliage and soil had been sprayed with either 15 or 60 g / ha chlorsulfuron . This cultivar also showed TABLE 2 : Cultivar Abele Jasper Kotare Lancer Rongotea Effect Seed and Arable Crops 151 1511.
... showed more than 18 % reduction when foliage and soil had been sprayed with either 15 or 60 g / ha chlorsulfuron . This cultivar also showed TABLE 2 : Cultivar Abele Jasper Kotare Lancer Rongotea Effect Seed and Arable Crops 151 1511.
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