Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 121
... tree growth conditions . During tree dormancy 1.8 kg / ha triclopyr had no significant effect on tree wood volume growth or tree malformation . Application during maximum active tree growth resulted in significant suppression of wood ...
... tree growth conditions . During tree dormancy 1.8 kg / ha triclopyr had no significant effect on tree wood volume growth or tree malformation . Application during maximum active tree growth resulted in significant suppression of wood ...
Page 122
... tree malformation attributed to herbicide damage . Trees were individually assessed for multileadering ( two or more ... Tree form classification guides ( Anon . , undated ) used commercially by Elders - NZFP Ltd were used as a reference ...
... tree malformation attributed to herbicide damage . Trees were individually assessed for multileadering ( two or more ... Tree form classification guides ( Anon . , undated ) used commercially by Elders - NZFP Ltd were used as a reference ...
Page 123
... tree malformation . Although incidence of tree growth suppression and malformation caused by herbicide application is commercially undesirable , minor damage is acceptable where no safer alternative treatment is available and the ...
... tree malformation . Although incidence of tree growth suppression and malformation caused by herbicide application is commercially undesirable , minor damage is acceptable where no safer alternative treatment is available and the ...
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