Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 46
... Experiment 1 the addition of Pulse lowered the cost of achieving a given mortality in the S biotype with the benefit of Pulse increasing with mortality ( Fig . 3 ) . This meant that the cost of achieving 90 % kill in the presence of ...
... Experiment 1 the addition of Pulse lowered the cost of achieving a given mortality in the S biotype with the benefit of Pulse increasing with mortality ( Fig . 3 ) . This meant that the cost of achieving 90 % kill in the presence of ...
Page 47
... Experiment 2 . Differences in timing of the two experiments may explain the differing responses of the S biotype to MCPA . The first experiment was conducted in the winter months and gave a similar response in S to MCPA ( LD ,。= 1.79 ...
... Experiment 2 . Differences in timing of the two experiments may explain the differing responses of the S biotype to MCPA . The first experiment was conducted in the winter months and gave a similar response in S to MCPA ( LD ,。= 1.79 ...
Page 68
... experiment . Trypsin inhibitors were added at a concentration of 0.3 % fresh weight of diet . As third instar larval growth on diet containing BSA in the first experiment was not significantly different from growth on some of the test ...
... experiment . Trypsin inhibitors were added at a concentration of 0.3 % fresh weight of diet . As third instar larval growth on diet containing BSA in the first experiment was not significantly different from growth on some of the test ...
Contents
Author Index | 9 |
Resource allocations for future weed control activities | 15 |
The role of government research in achieving safe pest management | 32 |
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Common terms and phrases
42nd N.Z. Weed activity adult aphid application armyworm assessed Auckland bees biological control Canterbury carbaryl Centre chemical chlorpyrifos chlorsulfuron Christchurch clethodim clover croceipes crops cyproconazole damage days after spraying densities diazinon diclofop-methyl disease DSIR effect fenitrothion field foliage fruit fly fungicides g ai/ha g/ha Gisborne glyphosate grass grub greedy scale growth Hawkes Bay herbicide increased infection periods insecticides instar kg/ha kiwifruit laboratory larvae latania latania scale leaf levels lime sulphur Lincoln litres lucerne MAFTech mancozeb MCPA Melittobia metiram mites mortality nodding thistle P.O. Box Palmerston North parasitoid pasture Pest Control Conf pesticide pirimicarb plants plots populations powdery mildew predator Private Bag Proc prochloraz programme propiconazole pyri rainfall rates reduced replicates residues resistance Ruakura ryegrass sampling season seed significant significantly soil species surface surfactant Table tested toxicity treatment tree trial triclopyr untreated Weed and Pest weed control weevil yield Zealand