Ludwigia mai rarrafe

Ludwigia mai rarrafe ko Ludwigia Repens, sunan kimiyya Ludwigia repens. Ita wannan shuka ta fito ne daga Arewacin Amurka da Tsakiyar Amurka, inda aka rarraba ta sosai tare da jihohin kudancin Amurka, Mexico, da kuma cikin Caribbean. An samo shi a cikin ruwa mara zurfi, yana samar da tarin yawa. Duk da sunansa, Ludwigia yana tsiro kusan a tsaye a ƙarƙashin ruwa, kuma repens = "raguwa" yana nufin ɓangaren saman, wanda yawanci yaduwa a saman ruwa.

Wannan shine ɗayan tsire-tsire na aquarium na yau da kullun. A kan siyarwa akwai nau'ikan iri da yawa waɗanda suka bambanta da siffa da launi na ganye, da kuma hybrids da yawa. Wani lokaci yana da matukar wahala a bambanta iri ɗaya daga wani. Ludwigia repens na gargajiya yana da tsayi mai tsayi har zuwa rabin mita a tsayi tare da ganyen elliptical masu sheki. Babban ɓangaren ɓangaren ganye yana da duhu kore ko ja, inuwar ƙananan ɓangaren ya bambanta daga ruwan hoda zuwa burgundy. Don bayyana launin ja, shuka dole ne ya sami isasshen haske, ƙaramin taro na NO3 (ba fiye da 5 ml / l ba) da babban abun ciki na PO4 (1,5-2 ml / l) da baƙin ƙarfe a cikin ƙasa. ake bukata. Ya kamata a lura cewa hasken haske mai haske zai haifar da bayyanar babban adadin harbe-harbe, kuma kara zai fara lankwasa, ya karkata daga matsayi na tsaye.

Idan kasancewar inuwar ja ba ta yanke hukunci ba, to ana iya ɗaukar Ludwigia Repens a matsayin shuka mai sauƙin girma kuma mai sauƙin girma. Haihuwa abu ne mai sauqi qwarai, ya isa ya raba gefen harbi da nutsewa cikin ƙasa.