Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 40
... plants . Argyll and Matapiro plants were alternated within the rows . The plants were individually labelled using plastic ear - tags nailed to the ground . The relative susceptibility of these two populations to 12 different herbicides ...
... plants . Argyll and Matapiro plants were alternated within the rows . The plants were individually labelled using plastic ear - tags nailed to the ground . The relative susceptibility of these two populations to 12 different herbicides ...
Page 49
... plants with flowering stems were under - represented in the samples as ragwort is usually biennial , and most plants at any time are rosettes . In the second season data were also recorded from the nearest plant with a flowering stem if ...
... plants with flowering stems were under - represented in the samples as ragwort is usually biennial , and most plants at any time are rosettes . In the second season data were also recorded from the nearest plant with a flowering stem if ...
Page 263
... plants using mesh bags covering each plant . Because of this it was not possible to water plants using overhead sprinkler irrigation , so two further sets of six replicates of the four carbaryl treatments ( as above ) were established ...
... plants using mesh bags covering each plant . Because of this it was not possible to water plants using overhead sprinkler irrigation , so two further sets of six replicates of the four carbaryl treatments ( as above ) were established ...
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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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