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N. Amponsah · SciRah

Researcher profile · Semantic Scholar

N. Amponsah

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N. Amponsah — researcher profile on SciRah

h-index: 14
Works: 34
Citations: 592

Most-cited papers

Evaluation of fungicides for the management of Botryosphaeria dieback diseases of grapevines.
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2012Pest Management Science77 citations
Semantic Scholar
Identification, potential inoculum sources and pathogenicity of botryosphaeriaceous species associated with grapevine dieback disease in New Zealand
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2011European journal of plant pathology76 citations
Semantic Scholar
Rainwater dispersal of Botryosphaeria conidia from infected grapevines.
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
200954 citations Open access
Semantic Scholar
Detection of botryosphaeriaceous species in environmental samples using a multi-species primer pair
H. Ridgway, N. Amponsah, Dalin S. Brown, J. Baskarathevan +2 more
201145 citations Open access
Semantic Scholar
How many conidia are required for wound infection of apple plants by Neonectria ditissima
M. Walter, S. Roy, B. M. Fisher, L. Mackle +6 more
201638 citations Open access
Semantic Scholar
Production of Botryosphaeria species Conidia using grapevine green shoots.
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
200836 citations Open access
Semantic Scholar
Seasonal wound presence and susceptibility to Neonectria ditissima infection in New Zealand apple trees.
N. Amponsah, M. Walter, R. Beresford, R. Scheper +1 more
201533 citations Open access
Semantic Scholar
Susceptibility of grapevine tissues to Neofusicoccum luteum conidial infection
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
201231 citations
Semantic Scholar
Factors affecting Neofusicoccum luteum infection and disease progression in grapevines
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2014Australasian Plant Pathology23 citations
Semantic Scholar
Agar media for isolation of Neonectria ditissima from symptomatic and asymptomatic apple tissues and production of infective conidia
N. Amponsah, M. Walter, R. Scheper
201420 citations Open access
Semantic Scholar
First report of Neofusicoccum australe [Botryosphaeria australis], a cause of grapevine dieback in New Zealand
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2009Australasian Plant Disease Notes20 citations Open access
Semantic Scholar
Control of Neonectria ditissima with copper based products in New Zealand.
M. Walter, O. D. Stevenson, N. Amponsah, R. Scheper +6 more
201519 citations Open access
Semantic Scholar
Effect of culture medium, light and air circulation on sporulation of Neonectria ditissima
R. Scheper, B. M. Fisher, N. Amponsah, M. Walter
201415 citations Open access
Semantic Scholar
Neonectria ditissima spore release and availability in New Zealand apple orchards
N. Amponsah, M. Walter, R. Scheper, R. Beresford
201714 citations Open access
Semantic Scholar
Evaluation of biological and agrichemical products for control of Neonectria ditissima conidia production
M. Walter, R. Campbell, N. Amponsah, R. Scheper +1 more
201713 citations Open access
Semantic Scholar
Effects of solar radiation and relative humidity on germination of Botryosphaeriaceae species conidia
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
201011 citations Open access
Semantic Scholar
Can biological products control Neonectria ditissima picking wound and leaf scar infections in apples
M. Walter, R. Campbell, N. Amponsah, L. Turner +3 more
201710 citations Open access
Semantic Scholar
The effect of wood age on infection by Neonectria ditissima through artificial wounds on different apple cultivars
N. Amponsah, R. Scheper, B. M. Fisher, M. Walter +2 more
201710 citations Open access
Semantic Scholar
Microscopy of some interactions between Botryosphaeriaceae species and grapevine tissues
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2012Australasian Plant Pathology10 citations
Semantic Scholar
Are shelter belts potential inoculum sources for Neonectria ditissima apple tree infections
M.Walter, M. Glaister, N. R. Clarke, H. von Lutz +3 more
20158 citations Open access
Semantic Scholar
Sensitivity of Neonectria ditissima to carbendazim fungicide in New Zealand
M. Walter, O. D. Stevenson, N. Amponsah, R. Scheper +1 more
20148 citations Open access
Semantic Scholar
Epidemiology of botryosphaeriaceous species associated with grapevines in New Zealand
N. Amponsah
20106 citations
Semantic Scholar
Hot water disinfection treatment to eliminate Neonectria ditissima latent infections in apple scion wood
N. Amponsah, B. Walter, L. Frijters, D. Hedderley +1 more
20165 citations Open access
Semantic Scholar
Resistance of apple and pear rootstocks to Neonectria ditissima and their effect on scion susceptibility
R. Scheper, M. Walter, B. M. Fisher, Sarah Johnston +4 more
20174 citations Open access
Semantic Scholar
Successive passaging through an apple host of six low-virulent Neonectria ditissima isolates increased virulence in one of them
R. Scheper, B. M. Fisher, J. K. Bowen, N. Amponsah +1 more
2019Proceedings of the New Zealand Weed Control Conference2 citations Open access
Semantic Scholar
Effect of heat or chemical disinfection on the viability of ‘Fuji’ apple graft wood
B. M. Fisher, D. Hedderley, N. Amponsah, R. Scheper
2018Proceedings of the New Zealand Weed Control Conference2 citations Open access
Semantic Scholar
The identity, distribution and diversity of botryosphaeriaceous species in New Zealand vineyards – a national perspective
H. Ridgway, J. Baskarathevan, N. Amponsah, M. Jaspers +1 more
20142 citations
Semantic Scholar
Modelling Biological Responses to Meteorological Variables to Predict Disease Risk for European Canker (Neonectria ditissima) in Apple.
R. Campbell, Robert M. Beresford, N. Amponsah, Monika Walter +2 more
2026Phytopathology0 citations
Semantic Scholar
Actinidia seed-borne latent virus (ASbLV, Betaflexiviridae) is transmitted paternally and maternally at high rates
N. Amponsah, R. C. van den Brink, P. Datson, P. Austin +2 more
2022Australasian Plant Pathology0 citations Open access
Semantic Scholar
Actinidia seed-born latent virus is transmitted paternally and maternally at high rates
N. Amponsah, R. C. van den Brink, P. Datson, P. Austin +2 more
2021bioRxiv0 citations Open access
Semantic Scholar
The role of woolly apple aphids ( Eriosoma lanigerum ) at vectoring Neonectria ditissima conidia
M. Walter, N. Amponsah, D. Wallis, T. Curnow +3 more
20150 citations Open access
Semantic Scholar
Modelling fungal spore dispersal using Neonectria ditissima
M. Walter, N. Amponsah, D. Wallis, T. Curnow +3 more
20150 citations Open access
Semantic Scholar
Factors affecting Neofusicoccum luteum infection and disease progression in grapevines
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2014Australasian Plant Pathology0 citations
Semantic Scholar
Microscopy of some interactions between Botryosphaeriaceae species and grapevine tissues
N. Amponsah, E. Jones, H. Ridgway, M. Jaspers
2012Australasian Plant Pathology0 citations
Semantic Scholar

Frequent co-authors

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R. Scheper×14
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R. Scheper — researcher profile on SciRah
M. Jaspers×13
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M. Jaspers — researcher profile on SciRah
M. Walter×13
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H. Ridgway×7
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E. Jones — researcher profile on SciRah

B. M. Fisher×6

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H. Ridgway — researcher profile on SciRah

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T. Curnow — researcher profile on SciRah

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O. D. Stevenson×4

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O. D. Stevenson — researcher profile on SciRah

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D. Hedderley — researcher profile on SciRah