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Symptoms of Little Cherry Virus and X-disease Phytoplasma

X-disease phytoplasma and Little cherry virus 2 cause small, pale deformed fruit in cherries. This video shows symptoms in a number of varieties.

Authors Tianna DuPont, WSU Extension; Scott Harper, Allie Wright, WSU Plant Pathology; Garret Bishop GS Long. Videography and production Ricardo Naranjo, WSU Extension. Funding support from the Washington State Tree Fruit Research Commission.

Published July 2020.

Text Transcript with Description of Visuals

Audio Visual
Music plays Scanning shot of cherry tree displaying small, light red, and deformed fruit. Text on screen reads “Cristalina with X-disease phytoplasma”.
Music plays Scanning shot of cherry tree with small and deformed fruit that is light yellow to light pink in color. Text on screen reads “Bing with X-disease phytoplasma”.
Music plays Close up scanning shot of cherries that are small and pale yellow in color. Text on screen reads “Rainier with X-disease phytoplasma”.
Music plays Close up of cherries that are small, pink to light red, and deformed in contrast to cherries on the same limb that appear normal in size, shape, and color. Text on screen reads ” Cristalina with X-disease phytoplasma”.
Music plays Close up of cherries that are small, misshapen, and yellow to light red in color, as well as cherries on the same limbs that appear normal in size, shape, and color. Text on screen reads “Bing with X-disease phytoplasma and LChV2”.
Music plays Scanning shot of cherry limb in which initial fruit clusters appears dark red, large, and normal in shape. The camera then pans to clusters of fruit on the same limb that are small, light pink colored, and misshapen. Text on screen reads “Bing with X-disease phytoplasma”.
Music plays Scanning shot of cherry tree in which some fruit clusters appear normal and some have small, pale colored fruit. Text on screen reads “Cristalina with X-disease phytoplasma”.
Music plays Scanning shot down the limb of a cherry tree in which you can see the contrast between the dark-red colored non-symptomatic fruit and the light-red colored symptomatic fruit. Text on screen reads “Bing with X-disease phytoplasma”.
Music plays Scanning shot down the limb of a cherry tree in which you can see the contrast between the dark-red colored non-symptomatic fruit and the symptomatic fruit which is a lighter red and has yellow patches. Text on screen reads “Skeena with X-disease phytoplasma”.
Music plays Credit slide which displays funding, videography, and author information

Video is in HD. Check your You Tube settings. Hit the cog for settings and choose quality HD.

For more information and support materials, see

Scouting and Sampling for Little Cherry Disease

X-disease Phytoplasma and Little Cherry Virus Scouting and Sampling Guide

X-disease phytoplasma (Western X)

Little Cherry Virus

Contacts

Corina Serban, WSU Extension (509) 574-1595   corina.serban@wsu.edu

Tianna Dupont, WSU Extension (509) 293-8758  tianna.dupont@wsu.edu

Bernardita Sallato, WSU Extension (509) 439-8542 b.sallato@wsu.edu

Ashley Thomson, OSU Extension (541) 296-5494   Ashley.Thompson@oregonstate.edu

Karen Lewis, WSU Extension (509) 760-2263 kmlewis@wsu.edu

 

Washington State University