First report of a ‘Candidatus Phytoplasma australasia’‐related strain (16SrII‐D) associated with crown choking of areca palm in India

The lowest disease incidence was 1% for the Dakashina Kannada and Tumkur districts in Karnataka.The most prominent symptom in infected palms was short, dark green leaves with a wavy leaf lamina. Areca palm with crown choking disease symptoms: black, crinkled and brittle roots (left) and pinkish / br...

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Bibliographic Details
Published inNew disease reports Vol. 47; no. 1
Main Authors Naik, B. G., Patil, S., Naik, M. K, Bhavana, S., Nagnur, P.
Format Journal Article
LanguageEnglish
Published Reading John Wiley & Sons, Inc 01.01.2023
Subjects
Areca catechu
Areca palm and India
Candidatus Phytoplasma australasia
Candidatus Phytoplasma australasiae
Cell walls
Crown choking
Disease
Horticulture
Leaves
Phylogenetics
Phytoplasma
India
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Summary:The lowest disease incidence was 1% for the Dakashina Kannada and Tumkur districts in Karnataka.The most prominent symptom in infected palms was short, dark green leaves with a wavy leaf lamina. Areca palm with crown choking disease symptoms: black, crinkled and brittle roots (left) and pinkish / brownish discoloration of the phloem (right) Seven leaf samples were collected from diseased palms growing in the Zonal Agricultural & Horticultural Research Station, Keladi Shivappa Nayaka University of Agricultural and Horticultural Sciences in Shivamogga, Karnataka (Latitude: 13° 55' 47.748“. Typical phytoplasma pleomorphic bodies lacking cell walls were seen in the sieve tube cells of leaf midrib sections from diseased areca palms, when examined by transmission electronic microscopy (Spurr, 1969) at the Sri Sai Histology Center, Hyderbad India (Fig. 4).
ISSN:2044-0588
2044-0588
DOI:10.1002/ndr2.12147