Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 64
... 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 ( Figure 1 ) a significant ( P < 0.05 ) increase in disease and mortality was recorded ...
... 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 ( Figure 1 ) a significant ( P < 0.05 ) increase in disease and mortality was recorded ...
Page 107
... treated with GA , shoot dry weight changed little with an increase in SMC from 18.4 to 23.9 % , but decreased substantially when SMC increased from 23.9 to 27.6 % then changed little with a further increase in SMC to 36.9 % ( Fig . 1 ) ...
... treated with GA , shoot dry weight changed little with an increase in SMC from 18.4 to 23.9 % , but decreased substantially when SMC increased from 23.9 to 27.6 % then changed little with a further increase in SMC to 36.9 % ( Fig . 1 ) ...
Page 114
... treated with cyproconazole alone or in combination with carboxin + thiram . This paper summarises data from field trials conducted in New Zealand during the 1987 and 1988 seasons evaluating cyproconazole for control of ; powdery mildew ...
... treated with cyproconazole alone or in combination with carboxin + thiram . This paper summarises data from field trials conducted in New Zealand during the 1987 and 1988 seasons evaluating cyproconazole for control of ; powdery mildew ...
Contents
Author Index | 9 |
Resource allocations for future weed control activities | 15 |
The role of government research in achieving safe pest management | 32 |
25 other sections not shown
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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