Gashin kankara (Exidiopsis effusa)
- Rarraba: Basidiomycota (Basidiomycetes)
- Yankin yanki: Agaricomycotina (Agaricomycetes)
- Darasi: Agaricomycetes (Agaricomycetes)
- Subclass: Auriculariomycetidae
- oda: Auriculariales (Auriculariales)
- Iyali: Auriculariae (Auriculariaeae)
- Genus: Exidiopsis
- type: Exidiopsis effusa (gashin kankara)
:
- kankara ulu
- Telephora ta zubo
- Exidiopsis zubar
- Sebacin ya zube
- Exidiopsis grisea var. zuba
- Exidiopsis quercina
- Sebacina quercina
- Sebacin mai lalata
- Lacquered Sebacina
"Gashin kankara", wanda kuma aka sani da "kankara ulu" ko "mai sanyi gemu" (kankara gashi, kankara ulu ko sanyi gemu) wani nau'i ne na kankara da ke samuwa akan mataccen itace kuma yayi kama da gashin siliki mai kyau.
Ana lura da wannan al'amari musamman a Arewacin Hemisphere, tsakanin 45th da 50th parallel, a cikin dazuzzuka masu tsiro. Duk da haka, ko da sama da 60th a layi daya, wannan kyakkyawan ƙanƙara mai ban mamaki za a iya samuwa kusan a kowane juzu'i, idan kawai akwai daji mai dacewa da yanayin "daidai" (bayanin rubutu).
“Gashin kankara” yana samuwa ne akan jikakken itacen da ke ruɓe (matattun katako da rassan masu girma dabam) a yanayin zafi kaɗan ƙasa da sifili da zafi mai kyau. Suna girma a kan itace, ba a saman haushi ba, kuma suna iya bayyana a wuri guda har tsawon shekaru a jere. Kowane gashin kansa yana da diamita na kimanin 0.02 mm kuma yana iya girma har zuwa 20 cm tsayi (ko da yake mafi girman samfurori sun fi kowa, har zuwa 5 cm tsayi). Gashin suna da rauni sosai, amma, duk da haka, suna iya murɗa cikin "taguwar ruwa" da "curls". Suna iya kiyaye siffar su na sa'o'i da yawa, har ma da kwanaki. Wannan yana nuna cewa wani abu yana hana ƙanƙara daga sake sakewa - tsarin juya ƙananan lu'ulu'u na kankara zuwa manyan, wanda yawanci yana aiki sosai a yanayin zafi a ƙasa da sifili.
An fara bayyana wannan al'amari mai ban mamaki a cikin 1918 ta wurin masanin ilimin lissafi da yanayin yanayi na Jamus, mahaliccin ka'idar drift na nahiyar Alfred Wegener. Ya ba da shawarar cewa wani nau'in naman gwari na iya zama sanadin. A cikin 2015, masana kimiyya na Jamus da Switzerland sun tabbatar da cewa wannan naman gwari shine Exidiopsis effusa, memba na dangin Auriculariaeae. Daidai yadda naman gwari ke sa ƙanƙara ta yi crystallize ta wannan hanyar ba a bayyana gaba ɗaya ba, amma ana ɗauka cewa tana samar da wani nau'in hana sake sakewa, mai kama da aikin da yake yi na hana daskarewa sunadaran. A kowane hali, wannan naman gwari ya kasance a cikin dukkanin samfurori na itace wanda "gashin kankara" ya girma, kuma a cikin rabin lokuta shi ne kawai nau'in nau'in da aka samu, da kuma kawar da shi tare da fungicides ko kuma bayyanar da zafi mai zafi ya haifar da gaskiyar cewa " gashin kankara” ya daina fitowa.
Shi kansa naman kaza a fili yake, kuma da ba don gashin kankara masu ban mamaki ba, da ba su kula da shi ba. Duk da haka, a cikin dumi kakar ba a lura.
Hoto: Gulnara, maria_g, Wikipedia.