biological control of boneseed
DESCRIPTION
Biological Control of Boneseed. Boneseed Bio-control Agents Introduced to Australia. Chrysanthemoides tip moth in 1989 Three leaf-feeding beetles during the early 1990s A seed-feeding fly in 1998 Boneseed leafroller in April 2000 Boneseed leaf buckle mite 2008. - PowerPoint PPT PresentationTRANSCRIPT
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Biological Control of Boneseed
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Boneseed Bio-control Agents Introduced to Australia
• Chrysanthemoides tip moth in 1989
• Three leaf-feeding beetles during the early 1990s
• A seed-feeding fly in 1998
• Boneseed leafroller in April 2000
• Boneseed leaf buckle mite 2008
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Boneseed Bio-control Agents Introduced to Australia
• Chrysanthemoides tip moth in 1989
• Three leaf-feeding beetles during the early 1990s
• A seed-feeding fly in 1998
• Boneseed leafroller in April 2000
• Boneseed leaf buckle mite 2008
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Boneseed Bio-control Agents Introduced to Australia
• Chrysanthemoides tip moth in 1989
• Three leaf-feeding beetles during the early 1990s
• A seed-feeding fly in 1998
• Boneseed leafroller in April 2000
• Boneseed leaf buckle mite 2008
![Page 7: Biological Control of Boneseed](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813d9e550346895da767c7/html5/thumbnails/7.jpg)
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Boneseed Bio-control Agents Introduced to Australia
• Chrysanthemoides tip moth in 1989
• Three leaf-feeding beetles during the early 1990s
• A seed-feeding fly in 1998
• Boneseed leafroller in April 2000
• Boneseed leaf buckle mite 2008
![Page 9: Biological Control of Boneseed](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813d9e550346895da767c7/html5/thumbnails/9.jpg)
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Boneseed Bio-control Agents Introduced to Australia
• Chrysanthemoides tip moth in 1989
• Three leaf-feeding beetles during the early 1990s
• A seed-feeding fly in 1998
• Boneseed leafroller in April 2000
• Boneseed leaf buckle mite 2008
![Page 12: Biological Control of Boneseed](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813d9e550346895da767c7/html5/thumbnails/12.jpg)
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Bio-control Agent Being Considered for Introduction to Australia
• A rust fungus
• Host-range testing may take two or three more
years to complete
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Boneseed Leafroller in NZ
Releases: 2007-2008
• 12,500 Larvae
• 3080 Adults
• 36 Sites
Establishment• North Island: looking fairly promising
• South Island: not recovered after winter
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Boneseed rust: Highly promising biocontrol agent
Witches’ broom symptom
Spore containing pustules on leaf
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Host-range Testing of the Boneseed Rust
• Began in 2007 in South Africa.
Intracellular vesicle
Penetration point
Basidiospore
Detached leaf assay
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Whole plant inoculation trial, to run for 3 years
- needed for witches’ broom symptom development
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Stemphyllium/leaf roller synergy? -tip dieback
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