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'Candidatus Phytoplasma', a taxon for the wall-less, non-helical prokaryotes that colonize plant phloem and insects.
- G. Firrao, M. Andersen, +16 authors K. K. Wang
- Biology, Medicine
- International journal of systematic and…
The trivial name 'phytoplasma' has been adopted to collectively name wall-less, non-helical prokaryotes that colonize plant phloem and insects, which were formerly known as mycoplasma-like organisms.… Expand
Association of a phytoplasma with a yellow leaf syndrome of sugarcane in Africa
Evidence is presented for the association of a phytoplasma, provisionally named sugarcane yellows phytoplasma (ScYP), in sugarcane affected by a yellow leaf syndrome. The phytoplasma was consistently… Expand
Diversity and Potential of Oryza glaberrima Steud in Upland Rice Breeding
Oryza glaberrima Steud, the indigenous domesticated Oryza species in West Africa, is a potential source of useful genes for a range of economically important characters. Progenies from interspecific… Expand
First Report of Virus and Phytoplasma Pathogens Associated with Yellow Leaf Syndrome of Sugarcane in Cuba.
Yellow leaf syndrome (YLS) has been seen recently in sugarcane (Saccharum sp.) in Cuba. The primary symptom is a yellow discoloration of the midrib that may spread from the midrib to the lamina in… Expand
Euplectrus melanocephalus Girault (Hymenoptera: Eulophidae), an ectoparasitoid of larvae of fruit‐piercing moths (Lepidoptera: Noctuidae: Catocalinae) from northern Queensland
Euplectrus melanocephalus is a gregarious, primary ectoparasitoid of larvae of the fruit-piercing moth genus Eudocima Billberg (Noctuidae: Catocalinae). In northern Queensland, E. melanocephalus… Expand
First Report of Cassava Common Mosaic Potexvirus Infecting Chaya (Cnidoscolus chayamansa) in Tuvalu.
Chaya (Cnidoscolus chayamansa McVaugh) was introduced into Tu-valu as a leaf vegetable in the early 1990s (1) with the primary objective of alleviating vitamin A and C deficiencies, which at that… Expand
First Report of Alfalfa Witches Broom Disease in Oman Caused by a Phytoplasma of the 16Sr II Group.
- A. J. Khan, K. M. Azam, M. Deadman, A. Al-Subhi, P. Jones
- Biology, Medicine
- Plant disease
- 1 December 2001
Alfalfa (Medicago sativa L.) is a primary forage crop in the Sultanate of Oman. A new disease of alfalfa in Oman is characterized by proliferation of shoots and yellowing of leaves in 1- to… Expand
First Report on Molecular Detection of Phytoplasmas in Papaya in Cuba.
Phytoplasmas and rickettsias have been associated with recent nonviral papaya diseases (1,2). Forty leaf samples with symptoms similar to papaya bunchy top (PBT) (1) and Australian papaya diseases… Expand
The Phytoplasma Associated with Ramu Stunt Disease of Sugarcane Is Closely Related to the White Leaf Phytoplasma Group.
Ramu stunt disease of sugarcane (ScRS) was responsible for large yield losses in commercial sugarcane varieties (interspecific hybrids of Saccharum spp.) in the Ramu Valley in northeast Papua New… Expand
First Report of Hibiscus Chlorotic Ringspot Carmovirus in Tuvalu.
In September 1997, plants of Hibiscus manihot (locally called nambele) were observed on Vaitupu Island, Tuvalu, exhibiting an angular leaf mosaic and chlorosis that was not always clearly… Expand