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COFFEE LEAF RUST

News, updates and resources related to Coffee Leaf Rust

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  • 30 Jul 2021 11:01 PM | Alla Kostenko (Administrator)

    View the meeting recording here. The passcode for recording is J94hZ!&4.

  • 21 Jul 2021 8:31 PM | Alla Kostenko (Administrator)

    See below CLR related forms translated into Spanish.

    CLR FAQs

    P 36.1 Priaxor Form

    Section 18 CLR Info

  • 21 Jul 2021 8:25 PM | Alla Kostenko (Administrator)

    View Original Source

    NR21-17
    July 20, 2021

    HONOLULU – The Hawai`i Department of Agriculture (HDOA) has confirmed the detection of coffee leaf rust (CLR) on Kaua’i and Moloka`i. The serious coffee plant pathogen has now been found on all major Hawaiian Islands.

    On June 28, 2021, a commercial coffee grower in Kilauea, Kaua`i, reported a possible CLR infection. HDOA collected samples and CLR was confirmed on July 9, 2021. Preliminary assessments indicate that CLR had been on Kaua`i for at least six months.

    On June 14, 2021, HDOA staff conducted a survey of feral coffee plants on Moloka`i . A low-level infestation was detected on two coffee plants in a field of 50 wild coffee plants in Kaunakakai and CLR was confirmed on June 23, 2021. Subsequent surveys detected more infestations on the east side of the island. It is estimated that the infestation on the east side had been there for at least three months.

    CLR was first detected in the state in October 2020 on Hawai`i Island and Maui and subsequently detected on O`ahu and Lana`i in January 2021.

    Since the first detection, the Hawai`i Board of Agriculture (Board) approved an interim administrative rule which restricted the movement of coffee plants, plant parts and other CLR hosts from infected islands to try to stop the spread of the disease. With the detection of CLR statewide, HDOA is reassessing these restrictions; however, they will remain in place until further action is taken by the Board or the interim rule lapses in November 2021.

    CLR is a devastating coffee pathogen and was first discovered in Sri Lanka in 1869 and can cause severe defoliation of coffee plants resulting in greatly reduced photosynthetic capacity. Depending on CLR prevalence in a given year, both vegetative and berry growth are greatly reduced.  There are multiple long-term impacts of CLR, including dieback, resulting in an impact to the following year’s crop, with estimated losses ranging from 30 percent to 80 percent.

    For more information on CLR and the Hawai`i coffee industry, go to:

  • 16 Jul 2021 10:57 PM | Alla Kostenko (Administrator)

    View the meeting recording here. The passcode for recording is N2mJe3$y. 

  • 07 Jul 2021 10:54 PM | Alla Kostenko (Administrator)

    View the meeting recording here. The passcode for recording is Cx!@G.E7.

  • 16 Jun 2021 10:57 PM | Alla Kostenko (Administrator)

    View the meeting recording here. The passcode for recording is ka*S0w5B.

  • 16 Jun 2021 10:56 PM | Alla Kostenko (Administrator)

    Webinar by the Hawaii Department of Agriculture, Pesticides Branch on the use of Priaxor fungicide to manage coffee leaf rust.

    Contact:  Pesticides Branch - (808) 973-9402

    WATCH HERE

  • 03 Jun 2021 11:03 PM | Alla Kostenko (Administrator)

    View the meeting recording here. The passcode for recording is qfn0e^=y.

  • 21 May 2021 11:04 PM | Alla Kostenko (Administrator)

    Aloha HCA members,

    On Thursday the U.S. Environmental Protection Agency (EPA) approved a request from the Hawai`i Department of Agriculture (HDOA) to allow the use of a specific fungicide to help Hawai`i coffee growers manage and control the coffee leaf rust (CLR), a devastating plant pathogen.

    The fungicide, Priaxor® Xemium, is not currently labeled by the EPA for specific use on coffee plants, but it is allowed for use to control fungi on leafy vegetables, strawberries, tomatoes, soybeans, wheat and many other crops. In March 2021, HDOA filed a request for a specific exemption with the EPA to allow the use of the fungicide on coffee plants. HDOA was notified of the approval of the emergency exemption yesterday which allows the fungicide to be used for up to one year or until use on coffee plants is added to the product label by EPA and the product’s producer.

    The Hawaii Coffee Association wishes to thank the leadership and staff ant Hawaii’s Department of Agriculture, the University of Hawaii CTAHR, the US Environmental Protection Agency, USDA, BASF, The Hawaii Coffee Growers Association, Nutrien and all who contributed to this expedited application and approval. The ability for Priaxor, a translaminar fungicide, to be safely used on coffee is a major milestone in the battle against Coffee Leaf Rust in Hawaii. We have worked long and hard to ensure a rapid approval, timely education, and ensured ample supply of this product locally. We again thank and congratulate all who contributed to this effort.

    PLEASE READ HDOA’s press release here.

    Additionally our members discovered a Prevention and Control of Coffee Leaf Rust handbook that we think will be useful to you. You can view and download it here.

    A big mahalo to our friends at Pacific Coffee Research for locating and sharing this handbook.

    With warm Aloha,

    Christopher A. Manfredi
    President
    Hawaii Coffee Association
    president@hawaiicoffeeassoc.org
    www.hawaiicoffeeassoc.org

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