Viroid — Taxobox color = violet virus group = unranked classis = Subviral agents unranked ordo = Viroid subdivision ranks = Families subdivision = Pospiviroidae Avsunviroidae Viroids are plant pathogens that consist of a short stretch (a few hundred… … Wikipedia
plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… … Universalium
Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses … Wikipedia
viroid — /vuy royd/, n. an infectious agent of plants similar to a virus but consisting of only a short, single strand of RNA without a protein coat. [1946; VIR(US) + OID] * * * Infectious particle that is smaller than any of the known viruses. The… … Universalium
Hepatitis D — Virus classification Group: Group V (( )ssRNA) Order: Unassigned Family: Unassigned … Wikipedia
Etrog — is the Hebrew name for the citron or Citrus medica . This is the standard romanization of the original lettering אֶתְרוֹג, which is according to the Sephardic pronunciation. Some follow the Ashkenazi version calling it esrog or esrig , by others… … Wikipedia
List of citrus diseases — This article is a list of diseases in citrus plants. Contents 1 Bacterial diseases 2 Fungal diseases 3 Nematodes, parasitic 4 Viral diseases … Wikipedia
Avsunviroidae — The Avsunviroidae are a family of viroids. At present three members are known of. They consist of RNA genomes between 246 375 nucleotides in length. They are single stranded covalent circles and have intramolecular base pairing. All members lack… … Wikipedia
Viroid — Viroide sind die kleinsten bekannten Krankheitserreger und bestehen aus nur einer ringförmig geschlossenen, einzelsträngigen Ribonukleinsäure (RNA). Im Gegensatz zu Viren besitzen Viroide keine zusätzlichen Proteine oder Lipide in Form einer… … Deutsch Wikipedia
Viroide — sind die kleinsten bekannten Krankheitserreger und bestehen aus nur einem einzelnen Molekül einer ringförmig geschlossenen und komplex gefalteten Ribonukleinsäure (RNA). Im Gegensatz zu Viren besitzen Viroide keine zusätzlichen Proteine oder… … Deutsch Wikipedia
Plant pathology — For the journal, see Plant Pathology (journal). Agriculture … Wikipedia
