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Thai National AGRIS Centre was established in March 13, 1980 by General National FAO Committee, Ministry of Agriculture and Cooperatives cooperated with Food and Agriculture Organization of the United Nations. Collects information related to agricultural sciences and technologies produced/printed in Thailand including those of agricultural information about Thailand produced/printed in abroad Technical management of agricultural information system: indexing, cataloging, creating Thai Agricultural Database Care and preservation of valuable agric [...]

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Conference

Conference

Utilization of Niphograpta albiguttalis (Warren) (Lepidoptera: Pyralidae) for biological control of water hyacinth in Thailand  [2002]

Waronon Duangsuwan(National Research Council of Thailand, Bangkok (Thailand). National Biological Control Research Center); Wiwat Suasa-ard(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand)); Banpot Napompeth(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand));

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Water hyacinth moth, Niphograpta albiguttalis (Warren) (Lepidoptera: Pyralidae), is a natural enemy of water hyacinth. Laboratory study revealed that a female of N. albiguttalis produced an average of 306.28+-89.09 eggs. The eggs stage was 4.53+-0.64 days. The larval period consisted of five instars and the duration of larvae development was 17.90+-1.11 days. The duration of pupal stage was 7.80+-0.93 days. The mean durations of adult male and female were 4.03+-1.21 and 4.97+-0.96 days respectively. The life table studies revealed that the capacity for increase (r sub(c)) = 0.1348, the net reproductive rate of increase (R sub(0)) = 56.2193, the cohort generation time (T sub(c))=29.88 days, and the finite rate of increase (lambda)=1.443. The host range of N. albiguttalis was studied on 74 plant species from 52 families. It was concluded that the moth was able to complete its life cycle only on water hyacinth. Field monitoring and evaluation were carred out at two locations in Bangkhen, Bangkok and Krathum Baen, Samut Sakhon. It was revealed that N. albiguttalis can survive and establish well in Thailand. It could complement the effectiveness of the two weevils, Neochetina eichhorniae Warner and Neochetina bruchi Hustache (Coleoptera: Curculionidae) for biological control of waterhyacinth in Thailand.

Bibliographic information

Type:
Conference
In AGRIS since:
2008
Start Page:
11
End Page:
12
All titles:
"Utilization of Niphograpta albiguttalis (Warren) (Lepidoptera: Pyralidae) for biological control of water hyacinth in Thailand"@eng
Other:
"Summaries only"
"Annual symposium of the National Biological Control Research Center 2002, Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). National Biological Control Research CenterUbon Rajathanee University, Ubon Ratchathani (Thailand).- Ubon Ratchathani (Thailand), 2002.- p. 11-12"
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Bibliographic information

Type:
Conference
In AGRIS since:
2008
Start Page:
11
End Page:
12
All titles:
"Utilization of Niphograpta albiguttalis (Warren) (Lepidoptera: Pyralidae) for biological control of water hyacinth in Thailand"@eng
Other:
"Summaries only"
"Annual symposium of the National Biological Control Research Center 2002, Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). National Biological Control Research CenterUbon Rajathanee University, Ubon Ratchathani (Thailand).- Ubon Ratchathani (Thailand), 2002.- p. 11-12"