I-Volkartia (Volkartia rhaetica)

Okuhlelekile:
  • Umnyango: I-Ascomycota (Ascomycetes)
  • Ukuhlukaniswa iziqephu: Taphrinomycotina (Taphrinomycotaceae)
  • Ikilasi: Taphrinomycetes
  • Isigaba esingaphansi: Taphrinomycetidae (Taphrinomycetes)
  • I-oda: Taphrinales (Taphrines)
  • Umndeni: Taphrinaceae (Taphrinaceae)
  • Uhlobo: Volkartia (Volkartiya)
  • Uhlobo: I-Volkartia rhaetica (Volkartia)

I-Volkartia (lat. Volkartia rhaetica) iyikhowe eliyingqayizivele. Iwukuphela kwesikhunta sohlobo lweVolkartia. Lolu uhlobo lwesikhunta se-ascomycete (umndeni we-Protomycium). Lesi sikhunta sivame ukuqeda izitshalo zohlobo lwe-Skerda.

I-genus Volkartia yatholwa futhi yasetshenziswa ngu-R. Mair emuva ngo-1909, kodwa isikhathi eside yayifana ne-Taphridium. Kodwa ngo-1975, lolu hlobo (kanye nesikhunta) lwaphinde lwenziwa ukuzimela nguReddy noKramer. Kamuva kwamukelwa ukuthi kulolu hlobo kufakwe esinye isikhunta esasingesaseTaphridium.

I-Volkarthia ibhekwa njenge-parasite. Isikhunta sidala amachashaza amnyama emaqabunga esitshalo esihlaselwe yiVolcarthia. Isikhunta ngokwaso ngokuvamile sitholakala nhlangothi zombili zeqabunga. IVolkarthia inombala ompunga-omhlophe futhi ithatha ingxenye enkulu yeqabunga lesitshalo.

Amagama ambalwa mayelana nesakhiwo sangaphakathi se-fungus.

Amaseli e-Ascogenous akha ungqimba lokuhleleka kwamaselula ngaphansi kwe-epidermis. Ngokuvamile ziyindilinga, ubukhulu bama-microns angu-20-30. Zikhula njenge-synasci, asikho isikhathi sokulala. Ukubukeka kwama-synascos okuyisici esihlukile esisivumela ukuthi sihlukanise iVolkarthia nesikhunta sohlobo lweTafridium. Indawo yamangqamuzana e-ascogenous ingabhekwa njengomehluko phakathi kwalesi sikhunta kanye nabameleli be-protomyces, lapho amaseli angaphansi kwe-epidermis ehlakazeka. Kungangezwa ukuthi kuma-protomyces, ukwakheka kwama-synasces kwenzeka ngemuva kwesikhathi sokulala. Uma sikhuluma ngama-synaces, khona-ke eVolcarthia angama-cylindrical, ubukhulu bawo bucishe bube ngu-44-20 µm, ubukhulu begobolondo elingenambala bungaba ngu-1,5-2 µm.

Izinhlamvu, njengegobolondo, azinambala, ziyi-2,5–2 µm ngosayizi, ziyindilinga noma ziyi-ellipsoidal, zingaba ziqonde noma zigobe. Ama-Ascospores avame ukwakhiwa kakade esiteji se-ascogenous cell. Izinhlamvu zivame ukukhula i-mycelium ngemva kokuphela kwesikhathi sokulala.

Lesi sikhunta ngokuvamile sibulala i-Crepis blattarioides noma ezinye izinhlobo ze-skerda ezifanayo.

Isikhunta sitholakala eJalimane, eFrance, eSwitzerland naseFinland, futhi sitholakala nase-Altai.

shiya impendulo