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Relevant bibliographies by topics / Phytoplasma diseases

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Journal articles

Academic literature on the topic 'Phytoplasma diseases'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Phytoplasma diseases"

1

Sakalieva, Dimitriyka. "Molecular characterization of stolbur phytoplasmas in pepper and tomato from Bulgaria." BIO Web of Conferences 18 (2020): 00025. http://dx.doi.org/10.1051/bioconf/20201800025.

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Tomato and pepper are the main vegetable crops cultivated in Bulgaria. Phytoplasma diseases, mainly stolbur, are important plant diseases for these crops in Bulgaria. The goal of the present paper was to verify association of phytoplasmas with the observed disease symptoms in tomato and pepper and to identify the phytoplasmas detected using RFLP analysis of conserved genes and other uncharacterised phytoplasma chromosomal regions. The presence of phytoplasmas was confirmed in all the samples of tomato and pepper showing typical stolbur symptoms. A phytoplasm sample, which caused severe symptom

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2

Zhao, Y., Q. Sun, R. E. Davis, I. M. Lee, and Q. Liu. "First Report of Witches'-Broom Disease in a Cannabis spp. in China and Its Association with a Phytoplasma of Elm Yellows Group (16SrV)." Plant Disease 91, no. 2 (2007): 227. http://dx.doi.org/10.1094/pdis-91-2-0227c.

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Hemp fiber plants (Cannabis spp.) spread naturally in almost every climate zone in China and have a long history of cultivation in the country (1). While hemp stalks provide high-quality fibers for making ropes, clothes, and paper products, hemp seeds are a rich source of edible oil. During the summer of 2004, a disease characterized by witches'-broom symptoms was observed in wild hemp fiber plants growing in suburban Taian, Shandong, China. The diseased plants developed clusters of highly proliferating branches with much shortened internodes and leaves on the affected branches were significan

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3

Arocha, Yaima, Olivia Antesana, Ernesto Montellano, Pablo Franco, G. Plata, and Phil Jones. "‘Candidatus Phytoplasma lycopersici’, a phytoplasma associated with ‘hoja de perejil’ disease in Bolivia." International Journal of Systematic and Evolutionary Microbiology 57, no. 8 (2007): 1704–10. http://dx.doi.org/10.1099/ijs.0.64851-0.

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New diseases known locally as ‘hoja de perejil’ of tomato (Lycopersicon esculentum Mill) and ‘brotes grandes’ of potato (Solanum tuberosum L.) were first recognized in surveys of production fields in Bolivia during 2000–2003. Alfalfa (Medicago sativa) witches' broom and little leaf diseases of native weeds Morrenia variegata and mora-mora (Serjania perulacea) were also identified near to production fields. Phytoplasma aetiology was attributed to each of these diseases following detection and initial identification of aster yellows group (16SrI) phytoplasmas in all five diseased plant species.

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4

Jomantiene, R., J. L. Maas, R. E. Davis, and E. L. Dally. "Molecular Identification and Classification of a Phytoplasma Associated with Phyllody of Strawberry Fruit in Maryland." Plant Disease 85, no. 3 (2001): 335. http://dx.doi.org/10.1094/pdis.2001.85.3.335b.

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Several phytoplasmas have been reported to be associated with phyllody of strawberry fruit, including clover yellow edge, clover proliferation, clover phyllody, eastern and western aster yellows, STRAWB2, strawberry multicipita, and Mexican periwinkle virescence phytoplasmas. Plant symptoms in addition to phyllody may include chlorosis, virescence, stunting, or crown proliferation. In this report we describe a new phytoplasma in association with strawberry leafy fruit (SLF) disease in Maryland. Diseased plants exhibited fruit phyllody, floral virescence, leaf chlorosis, and plant stunting. Phy

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5

Jomantiene, R., R. E. Davis, L. Antoniuk, and J. Staniulis. "First Report of Phytoplasmas in Soybean, Alfalfa, and Lupinus sp. in Lithuania." Plant Disease 84, no. 2 (2000): 198. http://dx.doi.org/10.1094/pdis.2000.84.2.198c.

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Plants of cultivated soybean (Glycine max) and alfalfa (Medicago sativa) in Dotnuva and of wild Lupinus sp. in Ledakalnis, Lithuania, exhibited symptoms that suggested phytoplasmal infections. Soybean plants were of normal growth habit but exhibited veinal necrosis. Alfalfa and Lupinus plants exhibited stunting, abnormally small leaves, and witches'-broom symptoms. Diseases in the plants were termed soybean veinal necrosis (SVN), alfalfa stunt (AlfS), and Lupinus stunt (LupS), respectively. The presence of phytoplasmas in diseased plants was assessed using polymerase chain reaction (PCR) for a

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6

Salehi, M., K. Izadpanah, and N. Nejat. "A New Phytoplasma Infecting Lettuce in Iran." Plant Disease 90, no. 2 (2006): 247. http://dx.doi.org/10.1094/pd-90-0247c.

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Lettuce phyllody (LP) is an economically important disease of romaine lettuce (Lactuca sativa) in vegetative crop and seed crop fields in the Fars Province of Iran. Wild lettuce phyllody (WLP) occurs also in epidemic proportions in wild lettuce (L. serriola) during the fall in Iranian central and southern provinces, especially in Fars. Among various leafhopper species tested, Neoaliturus fenestratus successfully transmitted agents of LP and WLP to lettuce, wild lettuce, periwinkle, and sowthistle directly after field collection or after 5 to 7 days of feeding on diseased source plants. With pr

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7

Marcone, Carmine, Bernd Schneider, and Erich Seemüller. "‘Candidatus Phytoplasma cynodontis’, the phytoplasma associated with Bermuda grass white leaf disease." International Journal of Systematic and Evolutionary Microbiology 54, no. 4 (2004): 1077–82. http://dx.doi.org/10.1099/ijs.0.02837-0.

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Bermuda grass white leaf (BGWL) is a destructive, phytoplasmal disease of Bermuda grass (Cynodon dactylon). The causal pathogen, the BGWL agent, differs from other phytoplasmas that cluster in the same major branch of the phytoplasma phylogenetic clade in <2·5 % of 16S rDNA nucleotide positions, the threshold for assigning species rank to phytoplasmas under the provisional status ‘Candidatus’. Thus, the objective of this work was to examine homogeneity of BGWL isolates and to determine whether there are, in addition to 16S rDNA, other markers that support delineation of the BGWL agent at th

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8

Davis, R. E., and W. A. Sinclair. "Phytoplasma Identity and Disease Etiology." Phytopathology® 88, no. 12 (1998): 1372–76. http://dx.doi.org/10.1094/phyto.1998.88.12.1372.

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Many plant diseases believed to be caused by phytoplasmas were described before phytoplasma groups were delineated through molecular analyses. It is now possible to assess the relationships between phytoplasma identity or classification and specific plant diseases. Data were consistent with the hypothesis of a common ancestral origin of pathogenicity genes in many phytoplasmas and a limited repertoire of plant responses to certain pathogen signals. Observations also were consistent with the hypotheses that the botanical host ranges of some phytoplasmas reflect specificities in transmission by

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9

Hemmati, Chamran, Mehrnoosh Nikooei, Ali M. Al-Subhi, and Abdullah M. Al-Sadi. "History and Current Status of Phytoplasma Diseases in the Middle East." Biology 10, no. 3 (2021): 226. http://dx.doi.org/10.3390/biology10030226.

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Phytoplasmas that are associated with fruit crops, vegetables, cereal and oilseed crops, trees, ornamental, and weeds are increasing at an alarming rate in the Middle East. Up to now, fourteen 16Sr groups of phytoplasma have been identified in association with more than 164 plant species in this region. Peanut witches’ broom phytoplasma strains (16SrII) are the prevalent group, especially in the south of Iran and Gulf states, and have been found to be associated with 81 host plant species. In addition, phytoplasmas belonging to the 16SrVI, 16SrIX, and 16SrXII groups have been frequently report

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10

Marcone, C., K. S. Gibb, C. Streten, and B. Schneider. "‘Candidatus Phytoplasma spartii’, ‘Candidatus Phytoplasma rhamni’ and ‘Candidatus Phytoplasma allocasuarinae’, respectively associated with spartium witches'-broom, buckthorn witches'-broom and allocasuarina yellows diseases." International Journal of Systematic and Evolutionary Microbiology 54, no. 4 (2004): 1025–29. http://dx.doi.org/10.1099/ijs.0.02838-0.

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Spartium witches'-broom (SpaWB), buckthorn witches'-broom (BWB) and allocasuarina yellows (AlloY) are witches'-broom and yellows diseases of Spartium junceum (Spanish broom), Rhamnus catharticus (buckthorn) and Allocasuarina muelleriana (Slaty she-oak), respectively. These diseases are associated with distinct phytoplasmas. The SpaWB, BWB and AlloY phytoplasmas share <97·5 % 16S rDNA sequence similarity with each other and with other known phytoplasmas, including the closely related phytoplasmas of the apple proliferation group. Also, the SpaWB, BWB and AlloY phytoplasmas each have a differ

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