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Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania.

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Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania. / Grzywacz, David; Mushobozi, Wilfred L.; Parnell, Mark et al.
In: Crop Protection, Vol. 27, No. 1, 01.2008, p. 17-24.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Grzywacz, D, Mushobozi, WL, Parnell, M, Jolliffe, F & Wilson, K 2008, 'Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania.', Crop Protection, vol. 27, no. 1, pp. 17-24. https://doi.org/10.1016/j.cropro.2007.04.005

APA

Grzywacz, D., Mushobozi, W. L., Parnell, M., Jolliffe, F., & Wilson, K. (2008). Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania. Crop Protection, 27(1), 17-24. https://doi.org/10.1016/j.cropro.2007.04.005

Vancouver

Grzywacz D, Mushobozi WL, Parnell M, Jolliffe F, Wilson K. Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania. Crop Protection. 2008 Jan;27(1):17-24. doi: 10.1016/j.cropro.2007.04.005

Author

Grzywacz, David ; Mushobozi, Wilfred L. ; Parnell, Mark et al. / Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania. In: Crop Protection. 2008 ; Vol. 27, No. 1. pp. 17-24.

Bibtex

@article{59a5dd8d6a5843c196e66337e11d654e,
title = "Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania.",
abstract = "The African armyworm Spodoptera exempta is a major episodic migratory crop pest over much of Eastern and Southern Africa. Control of this pest has been reliant on the use of synthetic chemical insecticides. However, this approach fails to protect poor farmers and is becoming unacceptable for environmental and cost reasons. A programme of field trials was conducted in Tanzania to evaluate the endemic baculovirus, the S. exempta nucleopolyhedrovirus (SpexNPV), as an alternative control. Field trials demonstrated that both ground and aerial application of SpexNPV to armyworm outbreaks on pasture can initiate outbreaks of NPV disease and population collapses. The SpexNPV was effective when applied at 1×1012 occlusion bodies (OB) per hectare if applied to outbreaks early, when larvae are in I–III instar—mass mortalities appear 3–10 days post treatment. The data from these trials indicate that SpexNPV can have a potential role as a substitute for chemical insecticides in strategic armyworm management programmes.",
keywords = "Spodoptera exempta, African armyworm, Migratory pest, Baculovirus, Nucleopolyhedrovirus, Biological control, IPM, Africa",
author = "David Grzywacz and Mushobozi, {Wilfred L.} and Mark Parnell and Flavia Jolliffe and Kenneth Wilson",
year = "2008",
month = jan,
doi = "10.1016/j.cropro.2007.04.005",
language = "English",
volume = "27",
pages = "17--24",
journal = "Crop Protection",
issn = "0261-2194",
publisher = "Elsevier Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - Evaluation of Spodoptera exempta nucleopolyhedrovirus (SpexNPV) for the field control of African armyworm (Spodoptera exempta) in Tanzania.

AU - Grzywacz, David

AU - Mushobozi, Wilfred L.

AU - Parnell, Mark

AU - Jolliffe, Flavia

AU - Wilson, Kenneth

PY - 2008/1

Y1 - 2008/1

N2 - The African armyworm Spodoptera exempta is a major episodic migratory crop pest over much of Eastern and Southern Africa. Control of this pest has been reliant on the use of synthetic chemical insecticides. However, this approach fails to protect poor farmers and is becoming unacceptable for environmental and cost reasons. A programme of field trials was conducted in Tanzania to evaluate the endemic baculovirus, the S. exempta nucleopolyhedrovirus (SpexNPV), as an alternative control. Field trials demonstrated that both ground and aerial application of SpexNPV to armyworm outbreaks on pasture can initiate outbreaks of NPV disease and population collapses. The SpexNPV was effective when applied at 1×1012 occlusion bodies (OB) per hectare if applied to outbreaks early, when larvae are in I–III instar—mass mortalities appear 3–10 days post treatment. The data from these trials indicate that SpexNPV can have a potential role as a substitute for chemical insecticides in strategic armyworm management programmes.

AB - The African armyworm Spodoptera exempta is a major episodic migratory crop pest over much of Eastern and Southern Africa. Control of this pest has been reliant on the use of synthetic chemical insecticides. However, this approach fails to protect poor farmers and is becoming unacceptable for environmental and cost reasons. A programme of field trials was conducted in Tanzania to evaluate the endemic baculovirus, the S. exempta nucleopolyhedrovirus (SpexNPV), as an alternative control. Field trials demonstrated that both ground and aerial application of SpexNPV to armyworm outbreaks on pasture can initiate outbreaks of NPV disease and population collapses. The SpexNPV was effective when applied at 1×1012 occlusion bodies (OB) per hectare if applied to outbreaks early, when larvae are in I–III instar—mass mortalities appear 3–10 days post treatment. The data from these trials indicate that SpexNPV can have a potential role as a substitute for chemical insecticides in strategic armyworm management programmes.

KW - Spodoptera exempta

KW - African armyworm

KW - Migratory pest

KW - Baculovirus

KW - Nucleopolyhedrovirus

KW - Biological control

KW - IPM

KW - Africa

U2 - 10.1016/j.cropro.2007.04.005

DO - 10.1016/j.cropro.2007.04.005

M3 - Journal article

VL - 27

SP - 17

EP - 24

JO - Crop Protection

JF - Crop Protection

SN - 0261-2194

IS - 1

ER -