Pseudotsuga menziesii
Anthu ambiri amasankha firiji la Douglas ngati mtengo wawo wa Khirisimasi chaka chilichonse. Dzina ndilo kusocheretsa pang'ono, chifukwa izi siziri za firus ( Abies ). Ng'ombe ya Douglas ndi imodzi mwa miyala yayitali kwambiri. Oregon anasankha ichi ngati mtengo wake.
Dzina la Latin
Mbuye wa Douglas sali mtengo weniweni wa firitsi . Dzina lachibadwa ( Pseudotsuga ) likusonyeza kuti izi zikufanana ndi mitengo ya hemlock. Nthano- imatanthauza chinyengo, ndi Tsuga ndi mtundu wa zitsulo zamtundu. Zamoyo ndi menziesii.
Mtengo uwu ndi umodzi mwa zizindikiro zambiri zomwe zimaphatikizidwa ndi banja la Pinaceae. Zina ndizo mkungudza, conifers ( Glyptostrobus , Larix , Metasequoia , Pseudolarix , ndi Taxodium ), mitengo yamitengo , mitengo ya pine , ndi mitengo ya spruce .
Mayina Amodzi
Kuwonjezera pa a Douglas, ena mwa mayinawa ndi Doug-fir, spruce wonyenga, firiji wofiira, Oregon pine, Douglas pine, chikasu chachikasu ndi spruce ya Douglas. Pseudotsuga menziesii var. menziesii ndi gombe la Douglas. Pseudotsuga menziesii var. glauca ikhoza kutchedwa kuti mkati mwa Douglas fir kapena Rocky Mountain Douglas.
Amakonda USDA Hardiness Zones
Ngati mumakhala kumadera 4-6, izi zikhoza kukhala mtengo wobiriwira kwa inu.
Kukula ndi Maonekedwe
Mbale wamtali uwu ukhoza kukwera pamwamba paliponse kuyambira 40 'mpaka 300' wamtali, koma pali mitundu yaying'ono yomwe ikupezeka pakhomo la nyumba. Pamene ikukula, firitsi ya Douglas imapanga mawonekedwe a pyramidal.
Chiwonetsero
Firin ya Douglas ayenera kukhala ndi dzuwa lonse kulikonse komwe iwe umabzala.
Maluwa / Maluwa / Zipatso
Firiji ya Douglas ndi monoecious ndipo onse awiri ndi abambo amawunikira amapangidwa pamtengo. Maselo ofiira ofiira ndi aatali ndipo amakhala ndi mabala osiyana omwe amachokera pakati pa mamba.
Zopangira Zojambula
Musamabzala izi zowonjezera kumalo kumene kuli chilala.
Malangizo Okula
Dothi lokongola la mtengo uwu ndi losavuta kwambiri.
Mukhoza kuyesetsa kupanga nthaka yanu kukhala yowonjezereka .
Kusamalira / Kudulira
Ndibwino kuti mukuwerenga Douglas fir yekhayo pokhapokha ngati kudulira kumapita pokhapokha ngati kukufunika kukonzedwa ndi nthambi zowonongeka, zakufa kapena zakufa .
Tizilombo ndi Matenda
Pali tizirombo ndi matenda omwe angasokoneze a Douglas fir wanu, koma simungakhale ndi mavuto aakulu. Zikuphatikizapo:
Tizilombo
- Nkhalango ya Black pine tsamba ( Nuculaspis californica )
- Black mpesa weevil ( Otiorhynchus sulcatus )
- Matenda a timadzi timeneti ( Pissodes spp. )
- Cooley spruce gall adelgid ( Adelges cooleyi )
- Chiwombankhanga cha Douglas-fir ( Dendroctonus pseudotsugae )
- Douglas-fir bud mite ( Trisetacus pseudotsugae )
- Douglas-fir cone gall midge ( Contarinia oregonensis )
- Douglas-fir cone moth ( Barbara colfaxìana )
- Mankhwala a Douglas-fir ( Arceuthobium do / i>)
- Mtsinje wa Douglas-fir (Synanthedon novaroensis)
- Douglas-fir mbewu ya chalcid ( Megastigmus spermotrophus )
- Douglas-fir tussock moth ( Orgyia pseudotsugata )
- Zojambula za Douglas-fir ( Cylindrocopturus furnissi )
- Pezani hemlock scale ( Fiorinia externa )
- Igwani webworm ( Hyphantria cunea )
- Mgwirizano wonyansa ( Dioryctria abietìvorella )
- Giant conifer aphid ( Cinara spp. )
- Monterey pine aphid ( Essigella californica )
- Pine singano scale ( Chionaspis pinifoliae )
- Nkhumba yamtengo wapatali ya siliva ( Halsidota argentata )
- Nthenda yamadzi aphid ( Elatobium abietina )
- Mphuno yamchere ( Adelges abietis ndi Adelges cooleyi )
- Mbalame ya spruce ( Oligonychus ununguis )
- Western pine spittlebug ( Aphrophora fulva )
- Western spruce budworm ( Choristoneura fumiferana )
Matenda
- Nkhungu zowola mtima
- Zowola zowonongeka (Phellinus weirii)
- Needlecast ( Rhabdocline pseudotsugae )
- Vuto lofiira (Phellinus pini )
- Mitengo yowola (Armillaria mellea)