Pseudotsuga menziesii
Mutane da yawa za su zabi filayen Douglas a matsayin bishiyar Kirsimati kowace shekara. Sunan yana da ɓataccen abu, saboda wannan ba shi da jigon fir ( Abies ). Filaton Douglas yana daya daga cikin masu girma. Oregon ya zabi wannan a matsayin itace na jihar.
Latin Name
Filaton Douglas ba itace itace mai gaskiya ba. Sunan jinsin ( Pseudotsuga ) yana nuna cewa wannan yana kama da itatuwan itace. Babu - yana nufin ƙarya, kuma Tsuga shine ainihin jigilar mutane.Hayan jinsin shine menziesii.
Wannan itacen yana daya daga cikin masu yawa da aka haɗa a cikin gidan Pinaceae. Sauran su ne cedars, wadanda suka hada da glyptostrobus , Larix , Metasequoia , Pseudolarix , da Taxodium ), bishiyoyi , itatuwan pine , da bishiyoyi .
Sunayen Yanaye
Bayan magungunan Douglas, wasu sunayen sunaye sun hada da Doug-fir, fure-fure, jan fir, da Pinegon Pine, Douglas pine, fatar fir da Douglas spruce. Pseudotsuga menziesii var. menziesii ne bakin tekun Douglas. Pseudotsuga menziesii var. za a iya kira glauca ko dai cikin gidan Douglas na ciki ko kuma fadar Rocky Mountain Douglas.
Yankin USDA Hardiness Zones
Idan kana zaune a Yankuna 4-6, wannan zai iya zama itace mai ɗorewa a gare ku.
Girma da Shafi
Wannan kullun mai girma zai iya isa kullun ko'ina daga 40 'zuwa fiye da 300' tsawo, amma akwai ƙananan nau'ikan dake samuwa ga yanayin gida. Yayin da yake girma, furan Douglas ya zama nau'i nau'i.
Nunawa
Filayen Douglas dole ne su sami cikakken rana a duk inda kuka dasa shi.
Foliage / Flowers / Fruit
Filaton Douglas na daya ne kawai kuma an samar da matuka namiji da mace akan itace. Gwanayen launin ja-brown sun dade kuma suna da rarrabuwa masu rarrabe wanda ke fitowa tsakanin ma'aunin.
Kayan Gini
Kada ku dasa wannan wuri a wani wuri inda akwai fari.
Girman Tips
Tsarin da aka fi dacewa da wannan itace itace damun acidic wanda yake shayarwa.
Zaka iya aiki akan yin kasan ka fiye da acidic .
Maintenance / Pruning
Fitilar Douglas mafi kyau ya bar shi kadai har zuwa tsabtace sai dai idan akwai buƙatar gyararre don lalacewa, marasa lafiya, ko rassan rassan .
Kwaro & Cututtuka
Akwai wasu karin kwari da cututtuka waɗanda zasu iya shafar kamfanonin Douglas, amma yawanci bazai da manyan matsaloli. Sun hada da:
Jarabawa
- Ƙananan launi na launi ( Nuculaspis californica )
- Black itacen inabi weevil ( Otiorhynchus sulcatus )
- Conifer twig weevil ( Pissodes spp. )
- Cooley spruce gall adelgid ( Adelges cooleyi )
- Kamfanin Douglas-fir ya yi ƙuƙwarar ƙwaƙwalwa ( Dendroctonus pseudotsugae )
- Ƙunƙwasa mai launi na Douglas-fir ( Trisetacus pseudotsugae )
- Kamfanin Douglas-fir cone gall midge ( Contarinia oregonensis )
- Douglas-fir cone moth ( Barbara Colfaxìana )
- Kamfanonin duniyar firgita ( Arceuthobium do / i>)
- Douglas-fir firing asu (Synanthedon novaroensis)
- Douglas-fir fir chalcid ( Megastigmus spermotrophus )
- Douglas-fir firing asu ( Orgyia pseudotsugata )
- Douglas-fir twig weevil ( Cylindrocopturus furnissi )
- Elongate hemlock sikelin ( Fiorinia externa )
- Fall webworm ( Hyphantria cunea )
- Fir coneworm ( Dioryctria abietìvorella )
- Giant conifer aphid ( Cinara spp. )
- Monterey Pine aphid ( Essigella californica )
- Gilashin zanen Pine ( Chionaspis pinifoliae )
- Dabbar mikiya mai launin azurfa ( Halsidota argentata )
- Spruce aphid ( Elatobium abietina )
- Aiki tare da adelgid ( Adelges abietis da Adelges cooleyi )
- Spruce gizo-gizo mite ( Oligonychus ununguis )
- Western pine spittlebug ( Aphrophora fulva )
- Western spruce budworm ( Choristoneura fumiferana )
Cututtuka
- Zuciya mai laushi na zuciya
- Ramin mai tushe rot (Phellinus weirii)
- Bukatar da ake bukata ( Rhabdocline pseudotsugae )
- Red zobe rot (Phellinus pini )
- Shoingring tushen rot (Armillaria mellea)