Sunan Latin Sunan Bethu nigra
Kogin Birch shine kyakkyawan zabi ga itace mai faɗi. Sakamakon rawanin daji da ƙumshi masu yawa zai kasance a matsayin mai da hankali a gonar.
Latin Name
Wannan jinsin ne ake kira Betula nigra kuma yana cikin iyalin Betulaceae tare da sauran itatuwan Birch .
Sunayen Yanaye
Kuna iya ganin wannan shuka da ake kira kogin Birch, red birch, ruwa birch ko black birch.
Yankin USDA Hardiness Zones
Mafi kyaun wuraren da za a yi amfani da wadannan jinsin suna cikin Yankuna 4-9.
Girma da Shafi
Kogin Birch yayi girma 40-70 'tsawo da 40-60' fadi, tare da siffar m.
Nunawa
Cikakken rana don inuwa inuwa yafi kyau don bunkasa wannan nau'in.
Foliage / Flowers / Fruit
Ƙananan ganyayyaki ganye suna da fari a baya. Su ne 1-3 "tsawo kuma suna da siffar kamar wani m da serrated gefuna.
Kogin Birch yana da ƙwayar ƙwayar cuta guda ɗaya kuma tana ɗauke da nau'in fure-fure na namiji da na mace mai suna catkins a bishiyar itace. Suna samuwa a lokuta daban-daban; Cikakken maza sun fara girma a cikin bazara, lokacin da mace ta fara fitowa. Bayan gwaninta , rassan 'ya'yan itace da aka fure a cikin rassan.
Kayan Gini don Kogin Birch
Wannan kyauta ne mafi kyau kamar itace na samfuri. Gishiri mai laushi mai zafi zai samar da launi a cikin dukan yanayi.
Ƙara Turawa Ga Ruwa Birch
Shuka a wani wuri inda ƙasa ke inuwa, m kuma yana da kyau malalewa. Ya kamata kasar gona ta sami pH tsakanin 5.0-6.5 don sakamako mafi kyau.
Iron chlorosis zai iya rinjayar itacen idan ba a cikin wannan kewayon ba.
Maintenance da Pruning
Ƙara ciyawa zai taimaka wajen kiyaye yanayin ƙasa, wanda zai kare tushen daga bushewa. Kada ku sanya wuri inda za ta taɓa akwati. Ana amfani da taki kawai idan itace ya nuna alamun wahala. Ruwan ruwa sosai don 2-3 hours sau ɗaya a mako don kiyaye ƙasa a kusa da itacen m.
Kada ku kwashe kogin Nilu tsakanin Mayu 1 da Agusta 1, domin wannan lokacin shine lokacin da kwakwalwan tagulla na da karfi. Ka bar akalla 75% na itacen da lalata tare da pruning a kowane lokaci.
Kwaro da cututtuka na River Birch
Kamar yadda mafi yawan birches, kogin birch na iya fadawa ganima ga birch leafminer ( Fenusa pusilla ). Wannan itace mafi tsayayya ga buƙan tagulla ( Agrilus anxius ) fiye da sauran nau'in birch. Birch dieback, anthracnose leaf blight ( Gloeosporium betularum ) da Kirsimeti mistletoe ( Phoradendron serotinum ) kuma iya zama matsala.