Proceedings of the New Zealand Weed and Pest Control Conference1990 - Pesticides |
From inside the book
Results 1-3 of 72
Page 164
... production ( in tonnes ) was determined based on historical production data published by the Department of Statistics . The crop prices used in the study were the medium term average projections intended for planning purposes published ...
... production ( in tonnes ) was determined based on historical production data published by the Department of Statistics . The crop prices used in the study were the medium term average projections intended for planning purposes published ...
Page 210
... production and distribution systems are vital . The producers who carry the responsibility for ensuring that there are always sufficient natural enemies available must produce to excess and have contingency plans for accidents . Natural ...
... production and distribution systems are vital . The producers who carry the responsibility for ensuring that there are always sufficient natural enemies available must produce to excess and have contingency plans for accidents . Natural ...
Page 239
... production whether applied alone or in combination with either 2,4 - D formulation . The addition of 2,4 - D amine to either paraquat or paraquat / diquat resulted in significantly reduced clover DM yields . Some significant effects ...
... production whether applied alone or in combination with either 2,4 - D formulation . The addition of 2,4 - D amine to either paraquat or paraquat / diquat resulted in significantly reduced clover DM yields . Some significant effects ...
Contents
Author Index | 10 |
Research Scholarship | 16 |
Developing an action threshold for lepidopterous pests of cabbage | 26 |
4 other sections not shown
Other editions - View all
Common terms and phrases
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