First report of association of ‘<i>Candidatus</i> Phytoplasma asteris’ (16SrI group) with little leaf disease of rose (<i>Rosa alba</i>) in India

Chaturvedi, Y.; Singh, Manoj Kumar; Rao, G. P.; Snehi, S. K.; Raj, S. K.

doi:10.1111/j.1365-3059.2009.02058.x

Cited by 16 publications

(5 citation statements)

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“…Out of these eleven groups, the 16Sr I group is the most dominant group infecting major ornamental species in India (Chaturvedi et al 2009; Madhupriya 2016). In the present study, we have reported occurrence of 16SrVI group on three ornamental plants species.…”

Section: Resultsmentioning

confidence: 99%

Molecular characterization of phytoplasmas of ‘Clover proliferation’ group associated with three ornamental plant species in India

et al. 2016

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Suspected phytoplasma symptoms of little leaf, yellowing, chlorosis, phyllody, witches’ broom, and stunting were observed on ten different ornamental plant species at New Delhi, Andhra Pradesh, Haryana, Bengaluru, and Pune, India, during March to July 2016. To investigate the possibility of phytoplasma etiology, PCR assays were performed using universal primer pairs (P1/P7 followed by 3Far/3Rev) specific to the phytoplasma 16Sr RNA gene. First round PCR amplification with primer pair P1/P7 did not yield expected 1.8 kb product of 16S rRNA region from any of the 17 symptomatic samples. However, 1.3 Kb amplicons were observed in nested PCR assays with 3Far/3Rev primer pair in symptomatic leaf samples of Hibiscus rosa-sinensis L. (Pune isolate), Saponaria officinalis L. (Pune isolate), and Allamanda cathartica L. (Delhi isolate). No amplifications were observed in any of the other tested symptomatic and non-symptomatic plant samples either in first round or second round of nested PCR assays with phytoplasma specific primer pairs. Pairwise sequence comparison of 16S rDNA sequences of the five positive phytoplasma strains of A. catharica, H. rosa-sinensis, and S. officinalis in the present study revealed 99–100% sequence identities with strains of ‘clover proliferation’ (16SrVI) group. Phylogenetic and virtual RFLP analysis of 16S rDNA sequences of the five identified phytoplasma strains belonging to three ornamental species further confirmed their clustering and grouping with member strains of ‘clover proliferation’ subgroup D. This is the first record of the phytoplasma association of ‘clover proliferation’ subgroup D with H. rosa-sinensis, S. officinalis, and A. cathartica in the world.

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Section: Resultsmentioning

confidence: 99%

Molecular characterization of phytoplasmas of ‘Clover proliferation’ group associated with three ornamental plant species in India

et al. 2016

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“…The disease on leaf was observed from the rose plants by using the molecular techniques as PCR, BLAST analysis during June 2008 in Gorakhpur (India) and the leaves of the Rosa plant become yellowish and the growth has been stopped of the plants due to the fungal infection of Candidatus asteris that inhibit the production and induce the abnormal parts of the plants. This fungal pathogen causes the various diseases in other plants as well like Sesame, Desert rose (Adenium obesum) along with the Rosa alba [18]. The extract of these three plants (Lawsonia inermis, Punica granatum, Hibiscus sabdariffa) were used to control the fungal, bacterial contamination in flowering plants.…”

Section: Fungal Diseases In Angiospermsmentioning

confidence: 99%

An Overview on Fungal Diseases in Angiospermic Plants

Arti

Kaur

2023

APRJ

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The main objective of this review study is to examine various fungal diseases on angiospermic plants which lower plant productivity and worsen the financial situation of flowers. Angiospermic flora are the most useful and marketable plants, employed for the majority of purposes, contributing to a better environment and spreading positive energy, but these flowering plants are presently damaged by unfavourable environmental conditions. The occurrence of fungal infection suppresses the beauty, growth, production and commercial values of flowers and also affect the living beings by increasing air pollution due to the infected plants. Fungicides, chemicals and molecular techniques are already in used to enhances the yield of crops and growth of plants, but still more research needs to be conducted to find the way for increasing the yield and preventing the plants more.

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“…It is easy for species from various parts of the world to hybridise and many garden rose cultivars have been born. Chaturvedi et al, (2009) have reported in India phytoplasma in the community of aster yellows associated with phyllody symptoms (16SrI). Madhupriya et al, (2017) reported frequent occurrence in IARI, New Delhi and verified association of two phytoplasma classes of suspected symptoms of smaller leaf phytoplasma, yeldening, internode shortening, phyllodevirescence and blooming buds.…”

Section: Rosa X Hybridmentioning

confidence: 99%

Association of Phytoplasma and Begomovirus With Some Ornamental Plants: A Review

Ahmad¹,

Khan²

2021

PLANT ARCHIVES

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In recent years, the development of the floriculture sector has received rising attention, particularly for the benefit of small-scale agricultural enterprises producing domestic seedlings of perennial ornamental plants and for export to neighbouring countries. Plant diseases, including those associated with phytoplasma infections and plant viruses, are affected by this industry, as are other sectors of the agricultural economy.In a number of commercial cut flowers and ornamental plants, phytoplasma and plant virus infection causes diseases, causing major economic losses globally.Therefore, phytoplasma and plant virus diseases are the key constraints in the production of lucrative ornamental plants and lower their quantum and quality, gaining international importance due to unspecific symptoms, different losses and complex epidemiology around the world. These disease epidemics forced the removal of several varieties of floricultural plants such as gladiolus, lily, chrysanthemum and rose from cultivation. In various ornamental plants in botanical gardens and various floriculture farms, symptoms of general yellowing as well as plant stunting, shoot proliferation, phyllody, virescence, lower cost of flowers and reddening of leaves were observed. The prevalent mode of distribution of plant viruses is vector transmission, vegetative propagation or seed, although in some cases, viruses are transmitted by mechanical contact. Begomoviruses in economically important ornamental plants, especially in the tropical and subtropical regions, are among the most dangerous epidemic-causing pathogens, but phytoplasmas of ornamental plants have been widely distributed geographically. Information on phytoplasma and begomovirus infecting ornamental plants has been addressed in this study

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First report of association of ‘Candidatus Phytoplasma asteris’ (16SrI group) with little leaf disease of rose (Rosa alba) in India

Cited by 16 publications

References 2 publications

Molecular characterization of phytoplasmas of ‘Clover proliferation’ group associated with three ornamental plant species in India

Molecular characterization of phytoplasmas of ‘Clover proliferation’ group associated with three ornamental plant species in India

An Overview on Fungal Diseases in Angiospermic Plants

Association of Phytoplasma and Begomovirus With Some Ornamental Plants: A Review

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