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.
Keep in mind that zoysia grass will go dormant and turn brown in the winter. It is best to plant zoysia grass in late spring or early summer. The most common zoysia is a low maintenance turf grass whose leaf texture is like that of bermuda grass and like bermuda grass, forms stolons and rhizomes. Mow at Â¾ to 1 Â¼ inch.