Proceedings of the New Zealand Weed and Pest Control Conference1990 - Pesticides |
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Page 116
... spray applications recorded in the database to establish the threat posed by individual pests and diseases and , if there is a need , recommend action to control a pest or disease . An expert system will analyse the factors involved in ...
... spray applications recorded in the database to establish the threat posed by individual pests and diseases and , if there is a need , recommend action to control a pest or disease . An expert system will analyse the factors involved in ...
Page 119
... spray programmes and becoming an approved organic orchard . Two pests that are uncommon under conventional spray programmes increased ; these were the pear slug ( Caliroa cerasi ) and the apple leaf curling midge ( Dasineura mali ) ...
... spray programmes and becoming an approved organic orchard . Two pests that are uncommon under conventional spray programmes increased ; these were the pear slug ( Caliroa cerasi ) and the apple leaf curling midge ( Dasineura mali ) ...
Page 256
... spray of 10 % Hi - Cane 2. 2 ml spray of 5 % Hi - Cane 3. 1 ml spray of 5 % Hi - Cane 4. 0.5 ml spray of 5 % Hi - Cane 5. Untreated control The Potter Tower was calibrated to ensure an even spray coverage , and the spray was applied ...
... spray of 10 % Hi - Cane 2. 2 ml spray of 5 % Hi - Cane 3. 1 ml spray of 5 % Hi - Cane 4. 0.5 ml spray of 5 % Hi - Cane 5. Untreated control The Potter Tower was calibrated to ensure an even spray coverage , and the spray was applied ...
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