Inside and outside views of the geode. Geode (Greek Î³ÎµÏÎ´Î·Ï - ge-ÅdÄs, earthlike) are geological secondary structures which occur in certain sedimentary and volcanic rocks. They are themselves of sedimentary origin formed by chemical precipitation.
The Rhizoctonia solani fungus attacks zoysia grass and causes a disorder called large brown patch. Small, rounded spots of discolored, water-soaked grass appear on zoysia lawns.These damaged areas often have a yellowish ring of dying grass around their perimeters.oysia is a species of warm-weather grass native to Southeast Asia. Named after Karl von Zois, an 18th-century botanist from Austria, zoysia became popular with United States homeowners in the 1940s and 1950s, particularly in the southern United States, because these grasses perform well in warm climates.
Different Types Of Zoysia Grasses. There are several different varieties within the Zoysia grass family, and each can have different strengths, weaknesses, suitability of climate and appearances. This article takes an general look into the most common Zoysia types used as lawns in Australia.oysia Macrantha. Zoysia macrantha is a native Zoysia grass which has its origins on the coasts of Queensland, which also make macrantha an extremely salt hardy Zoysia type. Macrantha has never taken off as a lawn in Australia in the past due to its slowed growth rates and lack of development by plant breeders.