BananaBanana Bunchy Top UpdateBunchy Top Update

Presented by:Adam Radford (MISC)

for Mauifor Maui

Maui Invasive Species Committee

Photos by: MISC

Maui Invasive Species Committee

ContentsContentsBackground and importance Background and importance of adaptive managementof adaptive managementMaui County overviews and Maui County overviews and approachesapproachesCurrent management Current management strategiesstrategiesFunding and a bit of Funding and a bit of perspectiveperspectiveConclusions and Conclusions and conundrumsconundrums

BackgroundBackground•• Maui has the most Polynesian varieties in Maui has the most Polynesian varieties in

HawaiHawai‘‘i and is at risk of losing all of its i and is at risk of losing all of its bananas (Kepler & Rust, unpublished).bananas (Kepler & Rust, unpublished).

•• First found in HawaiFirst found in Hawai‘‘i in 1989 and on i in 1989 and on Maui in 2002 by Mach Fukada (HDOA). Maui in 2002 by Mach Fukada (HDOA).

•• Bob Yonahara (HDOA) began survey Bob Yonahara (HDOA) began survey efforts of Pukalani in 2003.efforts of Pukalani in 2003.

•• MISC began to assist HDOA with survey MISC began to assist HDOA with survey and control efforts in 2004.and control efforts in 2004.

•• Infected bananas have been found in Infected bananas have been found in Pukalani, Makawao, KPukalani, Makawao, Kīīhei, Kula, hei, Kula, Lahaina, Kahului, Wailuku, & on Lahaina, Kahului, Wailuku, & on MolokaMoloka‘‘i.i.

Maui Invasive Species Committee

Banana Bunchy Top DistributionBanana Bunchy Top Distributionfor Maui Countyfor Maui County

Maui Invasive Species Committee

Photo: Wikipedia

Lana‘i Survey EffortsNo BBTV as of June, 2007

Lāna‘i Survey Efforts

Lāna‘i City

Makawao / Pukalani 2003

Makawao / Pukalani 2007

Kula 2007

Known Kīhei Infestations As of 2006

Experimental DesignExperimental Design

Objective:Objective: to determine if random selection to determine if random selection based on preliminary spatial and temporal based on preliminary spatial and temporal distribution data is an effective method of distribution data is an effective method of reconnaissance for BBTV. reconnaissance for BBTV. 3 known locations in K3 known locations in KīīheiheiSample frame based on period of obvious Sample frame based on period of obvious symptomssymptomsBuffer known locations and use Hawth’s Tools Buffer known locations and use Hawth’s Tools for random selectionfor random selection

Maui Invasive Species Committee

KKīīhei Study Design: hei Study Design: Census of 2006 SitesCensus of 2006 Sites

Maui Invasive Species Committee

KKīīhei Study Design: hei Study Design: Random Sample of 2004 SiteRandom Sample of 2004 Site

Maui Invasive Species Committee

Results:Results:

Final Results:Final Results:

Summary of Kīhei 2007

Lahaina 2007

Kahului 2007

Maui Invasive Species Committee

Maui PerspectiveMaui PerspectiveFive person crew operating

at $50,000 annually

On average in Pukalani and Makawao it takes our crew about 35 site visits (or about 13 hours) to find 1 new bunchy top occurrence

It takes our crew roughly 1 hour to visit 2.7 sites throughout Maui

New Caledonia PerspectiveNew Caledonia PerspectiveFirst found in 1999First found in 1999Containment strategy implementedContainment strategy implementedSimilar search and control methodsSimilar search and control methods54 person crew operating at 4.8 million for 54 person crew operating at 4.8 million for four year push!four year push!Plantation infestation mandatory destruction, Plantation infestation mandatory destruction, outlier recommendedoutlier recommendedThree year PR blitzThree year PR blitzObjective is to protect uninfested areasObjective is to protect uninfested areas

Maui Invasive Species Committee

FundingFunding by Fiscal Yearby Fiscal Year

Maui Invasive Species Committee

2004 2004 –– Maui County $15,000Maui County $15,000

2005 2005 –– Maui County $45,000Maui County $45,000

2006 2006 –– Maui County $50,000Maui County $50,000

2007 2007 –– Maui County $50,000Maui County $50,000

Future EffortsFuture EffortsContinue systematic survey and Continue systematic survey and control efforts in impacted control efforts in impacted communities unless suppression communities unless suppression becomes ineffective. becomes ineffective.

Expand search efforts and random Expand search efforts and random sampling in apparently uninfested sampling in apparently uninfested areas.areas.

Expand, intensify and modify public Expand, intensify and modify public outreach efforts.outreach efforts.

Make the best use of available Make the best use of available funding to maximize survey, control funding to maximize survey, control and outreach efforts. and outreach efforts.

Work more closely with the Work more closely with the agricultural community and HBIA to agricultural community and HBIA to ensure the longevity of Maui’s banana ensure the longevity of Maui’s banana industry and cultural heritage. industry and cultural heritage.

Maui Invasive Species Committee

Special Thanks to:Special Thanks to:

Maui Invasive Species Committee

• Maui County Office of Economic Development

• USDA Tri-Isle Resource Conservation & Development, Inc.

• USDA – Animal and Plant Health Inspection Service

•Moloka‘‘i / Maui Invasive Species Committees

• Castle & Cooke

• Hawai‘i Department of Agriculture

• The Banana Action Group

• The Hawai‘‘i Banana Industry Association

• University of Hawai‘i & UH – College of Tropical Agriculture and Human Resources

• Scot Nelson, Rodrigo Almeida, Cerruti Hooks and Adam Vorsino