Persistence of a nucleopolyhedrovirus on plant surfaces

D. A. Streett, G. W. Felton, S. Y. Young

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

A critical factor in the effectiveness of insect viruses as microbial control agents is their short persistence on leaf surfaces. The reduction of infective virus on a leaf surface is largely due to virus inactivation. The purpose of this study was to assess the effect of host plant on the persistence of the Helicoverpa zea single-nucleocapsid nucleopolyhedrovirus (SNPV). Small field tests were conducted on six host plants. Virus was applied at application rates of 1.2 X 1011, 2.4 X 1011, and 8.1 X 1011 occlusion bodies (OB's) /acre with each of the virus treatments and the untreated control replicated four times. Virus activity was measured using six d old H. virescens larvae at 0, 1, 3, 5, and 7 d post application. All virus treatments were equally effective at the 0 d sampling date. Virus persistence varied depending on the host plant. Virus inactivation was rapid on cotton, whereas inactivation of H. zea SNPV on the remaining host plants was not as rapid.

Original languageEnglish (US)
Pages1200-1201
Number of pages2
StatePublished - Dec 1 1999
EventProceedings of the 1999 Beltwide Cotton Conference - Orlando, United States
Duration: Jan 3 1999Jan 7 1999

Other

OtherProceedings of the 1999 Beltwide Cotton Conference
CountryUnited States
CityOrlando
Period1/3/991/7/99

Fingerprint

Viruses
Nucleocapsid
Cotton
Sampling

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Streett, D. A., Felton, G. W., & Young, S. Y. (1999). Persistence of a nucleopolyhedrovirus on plant surfaces. 1200-1201. Paper presented at Proceedings of the 1999 Beltwide Cotton Conference, Orlando, United States.
Streett, D. A. ; Felton, G. W. ; Young, S. Y. / Persistence of a nucleopolyhedrovirus on plant surfaces. Paper presented at Proceedings of the 1999 Beltwide Cotton Conference, Orlando, United States.2 p.
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Streett, DA, Felton, GW & Young, SY 1999, 'Persistence of a nucleopolyhedrovirus on plant surfaces', Paper presented at Proceedings of the 1999 Beltwide Cotton Conference, Orlando, United States, 1/3/99 - 1/7/99 pp. 1200-1201.

Persistence of a nucleopolyhedrovirus on plant surfaces. / Streett, D. A.; Felton, G. W.; Young, S. Y.

1999. 1200-1201 Paper presented at Proceedings of the 1999 Beltwide Cotton Conference, Orlando, United States.

Research output: Contribution to conferencePaper

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Streett DA, Felton GW, Young SY. Persistence of a nucleopolyhedrovirus on plant surfaces. 1999. Paper presented at Proceedings of the 1999 Beltwide Cotton Conference, Orlando, United States.