Kogin zamani mai rani na yau da kullum yakan fuskanci matsalolin matsalolin da ke faruwa a kansa. Kwayar cuta, taki seedlings, kula da su da kuma watering - a symbiosis wanda wakiltar hoto na yau da kullum na mazaunin rani. Duk da haka, matsalar mafi mahimmanci da ƙaddarar ita ce rigakafi da yawa daga shafin.
Category Coloniform pear
Akwai bishiyoyi iri-iri da dama a cikin dwarf iri iri. Wadannan bishiyoyi suna girma sosai, kuma suna da zurfin ƙasa a tsayi fiye da itatuwan lambun dabba. Wannan tsire-tsire iri-iri sun karbi sunan mai ban sha'awa, "columnar", saboda bayyanar sabon abu, wanda yayi kama da shafi.