Photo 2. Plants showing pink, rolled, leaves typical of pineapple mealybug wilt disease. The 'wilt' symptoms are due to root decay, caused by virus infection.
Photo 3. The two stunted plants in the foreground are showing symptoms of pineapple mealybug wilt disease.
Mealybug wilt of pineapple
AUTHOR Grahame Jackson
Information from Sether DM et al. (2001) Differentiation, distribution, and elimination of two different Pineapple mealybug wilt-associated viruses found in pineapple. Plant Disease 85:856-864. (https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS.2001.85.8.856); and J Hu (2002) Detection, Characterization, and Management of Pineapple Mealybug Wilt-Associated Viruses. (http://www2.hawaii.edu/~johnhu/pineapple.pdf); and Subere C et al. (2009) Vector transmission of Pineapple mealybug wilt associated virus-2 by Dymiococcus neobrevipes and Peudococcus lngispinus in Hawaii. Phytopathology 99: S125; and from Subere CVQ et al. (2011) Transmission characteristics of pineapple mealybug wilt associated virus-2 by the grey pineapple mealybugs Dysmicoccus neobrevipes in Hawaii. Proceedings 7th International Pineapple Symposium. Eds.: Abdullah H et al. Acta Hort. 902, ISHS. (https://www-actahort-org.ezproxy.library.uq.edu.au/members/showpdf?session=12083). Photos 1&2 United States National Collection of Scale Insects Photographs, USDA Agriculture Research Service, Bugwood.org. Photos 3&4 United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, Bugwood.org.
Produced with support from the Australian Centre for International Agricultural Research under project HORT/2016/185: Responding to emerging pest and disease threats to horticulture in the Pacific islands, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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