Sorbus Americana ta sami Red Berries, Too
Ƙarƙashin Jirgin Al'adun Kudancin Amirka
Kudancin itatuwan dutse na Amurka ( Sorbus americana ) suna girma a dasa shuki yankuna 3-8 kuma sun isa matsakaicin iyaka 30 feet, tare da irin wannan yada. Su fadi foliage launi ne rawaya. Wannan itacen bishiya yana ba da sha'awa ga bazara da bazara. A lokacin bazara yana samar da ƙwayoyi masu launin kananan, furen furanni. Wadannan furanni suna ba da wariyar launin fata , amma suna ba da jimawa masu launin ja-launi a cikin rani.
Wadannan samfurori ne 'yan asali ne zuwa gabashin Arewacin Amirka kuma ba musamman game da pH na ƙasa wanda suke girma ba. Itacen ya fi girma a cikin rana. Kana iya mamakin sanin cewa yana da iyalin fure.
Fallings of Dark Ash Bishiyoyi
Sauran tsire-tsire da aka rufe a cikin wannan labarin sun kasance a cikin jigon halittar, Fraxinus (a matsayin tsayayya da Sorbus , yanayin da ake ciki da itatuwan dutse na Amurka). Za a iya girma bishiyoyin ash ( Fraxinus americana ) a yankuna 3-9. Wannan wata ita ce itace mai tsayi a Arewa maso Gabashin Arewa. Mafi yawan samfurori fiye da itatuwan dutse na Amurka, toka mai tsabta sun kai mita 70 a matsakaici, tare da irin wannan yada. Sun fi son cikakken rana da ƙasa mai arziki, amma, kamar bishiyoyi na dutsen, suna iya bunƙasa a ƙasa tare da fadi da dama. White ash itatuwa kamar ruwa mai yawa da kuma fi son mai kyau malalewa, amma za su yi haƙuri da ƙasa clayey. Tsarin rana yana da duhu mai duhu a saman, amma tare da launi mai haske a kan gefen leaf - don haka sunan kowa.
Fall launi launi a kan yawancin samfurori fara kamar rawaya, sa'an nan kuma morphs zuwa purple (hoto). Suna da mahimmanci idan sun kasance a wani mataki tsakanin juna: wani nau'i na rawaya da m. Duk da haka, rassan fadin fata (kuma Frausinus genus kullum) zai iya zama ɗan gajeren lokaci. Wani sake dawowa: Dole ne ku dasa wannan daga gidan don kauce wa lalacewar dukiya.
Rashin rassan farar fata ba su da karfi don tsayayya da iskar iskõki ko kankara, kuma, idan sun karya, kuna son su fada cikin lalacewa (ba kan rufin ku) ba.
An bunkasa horar da ciyawa wanda zai kasance ɗan ƙaramin karami (muhimmin mahimmanci ga kananan yadudduka). Ana kiranta "Tsarin Kwace-tsire," yana tsiro ya zama tsayi mai tsawon mita 45 zuwa 60, tare da yada mita 35-50.
Sauran Nau'in Fraxinus (kuma Menene Tare da Launuka Dukan A cikin Sunaye Na Farko?)
Sauran ire-iren Fraxinus suna son irin wannan yanayi mai girma kuma ana samun su a yawancin gandun daji a duniya, ciki har da:
- Green ash ( Fraxinus pennsylvanica gabatar )
- Red ash ( Fraxinus pennsylvanica pennsylvanica )
- Black ash ( Fraxinus nigra )
- Blue ash ( Shafin Farko )
- Turai ash ( Fraxinus excelsior )
Green ash ne ɗan ƙasa zuwa Arewacin Amirka da kuma girma a cikin USDA dasa shuki zones 3-9. Yana da rawaya rawaya foliage. Wannan samfurin, a lokacin balaga, na iya tsayawa tsayi kamar ƙafafu 70, tare da yaduwa kamar fadi da 50 feet. Nau'in ja da baki ba zasu iya kaiwa irin wannan girma ba kuma suna girma a fadin wannan yankin na USDA; ganye daga cikin wadannan itatuwan nahiyar Amirka-da yawa, sun yi rawaya a fadi.
Blue ash yana da girma kamar sauran dutsen Arewacin Arewa amma ba kamar yadda sanyi-hardy (aka jera zuwa sashi 4).
Sunan jinsuna, sunaye suna nuna gaskiyar cewa sabon rassan sun fara samuwa a cikin siffar. Bai samar da launi mai ladabi da aka ambata ba, a cewar Gwamnatin Ma'aikatar Kasuwancin Ohio (Forest Division).
Kuna lura cewa wasu daga cikin wadannan tsire-tsire an ba su sunayen sunaye wanda ya nuna launi. Kamar yadda aka bayyana a sama, ana kiran "farin" ash saboda launi mai laushi na ganye "wanda ya fi ƙarfin (idan aka kwatanta da mafi girma). Amma yaya game da bakar fata, jan, kore, da launin shuɗi? Da kyau, bisa ga Abokai na Aljannar daji, an fara buga "baƙar fata" saboda launin duhu na buds. Hakazalika, Wildflowers na Illinois sun lura cewa ƙananan bishiyoyi na ja suna ja launin ruwan kasa mai launin ruwan kasa, saboda haka wannan shine mabuɗin sunan kowa. A halin yanzu, ma'anar "kore" suna da alama sun samo asalin sunansa ta tsoho.
Wato, bangarori biyu na ganye suna da inuwa kamar inuwa, saboda haka "kore" ya zama kamar mai kyau sunan da zai yi amfani da shi don rarrabe shi daga farin ash. Asalin sunan don "blue" type shi ne mafi ban sha'awa na kuri'a: Gaskiyar ita ce, wanda zai iya iya cire wani yanki mai launi daga wannan itace.
Daga dukan toka, toka na Turai ( Fraxinus excelsior ) wanda ya fi shahara a cikin wallafe-wallafen (ko da yake, kamar yadda ash yayi, launi mai laushi ba shi da amfani). Wadannan gwargwadon zasu iya girma su zama tsawon mita 100, tare da irin wannan yada. A cikin tarihin Norse, wani itace na Turai mai suna "Yggdrasil" yana goyan bayan duniya. Amma kamar yadda sauran alloli na Norse sun yi nasara su yi nasara ga abokan gaba, Giants, don haka har ma wannan itace ba zai iya kasawa ba. Wani mummunan macijin ya jawo a tushensa a Niflheim, kuma babbar ash wata rana za ta fadi - kuma, tare da shi, duniya.
Harshen Fraxinus yana cikin iyalin zaitun.
Emerald Ash Borers: Hanyar hanyoyin sarrafawa
Wannan kwari, sanannun masu ilimin kimiyya kamar Agrilus planipennis da 'yan asalin ƙasar Asiya, sun zama manyan kwaro don itatuwan ash na Arewacin Amirka. Yana da larvae da ke aikata mafi yawan lalacewa. Masu kare lafiyar suna kokarin yin kokari don sarrafa guraben magunguna. Ɗaya daga cikin cibiyoyin da aka haɗu da haɗarin da aka sanya su a cikin koguna don kokarin yin fashi da kwaro. Wasu matakan tsaro sun haɗa da:
- Cibiyoyin bincike
- Halittu ("kwari da kwari-kwari, tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire", "in ji Hukumar USDA Forest Service)