Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 64
... mortality ( i.e. , percent mortality plus percent disease ) among larvae in the treated soil ( 47 % ) compared to larvae in the untreated soil which had a mean level of 2 % . When sites were grouped according to geographical area ...
... mortality ( i.e. , percent mortality plus percent disease ) among larvae in the treated soil ( 47 % ) compared to larvae in the untreated soil which had a mean level of 2 % . When sites were grouped according to geographical area ...
Page 78
... mortality of parasitoid adults at selected days after treatment . At the recommended field rate of 0.3 kg / ha chlorpyrifos mortality was high for the first 3 days after spraying , with 78 % mortality recorded on the first day , falling ...
... mortality of parasitoid adults at selected days after treatment . At the recommended field rate of 0.3 kg / ha chlorpyrifos mortality was high for the first 3 days after spraying , with 78 % mortality recorded on the first day , falling ...
Page 271
Acaracidal activity on mites RESULTS AND DISCUSSION Mortality of mites dipped in acaricides occurred with all chemicals within 6 hours leading to at least 90 % mortality at the 1.0 g / litre rate after 22 hours . Mite mortality in ...
Acaracidal activity on mites RESULTS AND DISCUSSION Mortality of mites dipped in acaricides occurred with all chemicals within 6 hours leading to at least 90 % mortality at the 1.0 g / litre rate after 22 hours . Mite mortality in ...
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