The colonies are covered with chitinous periderm and can be either prostrate or erect with weak or sympodial branching.
12.
At this point, the cork cambium begins to form the periderm, consisting of protective cork cells containing suberin.
13.
They feed in the periderm, as it does when it occurs in the absence of congeners on white ash.
14.
Woody stems and some other stem structures produce a secondary covering called the periderm that replaces the epidermis as the protective covering.
15.
In some colonial polyps, a chitinous periderm gives support and some protection to the connecting sections and to the lower parts of individual polyps.
16.
A "'plant cuticle "'is a protecting film covering the leaves, young shoots and other aerial plant organs without periderm.
17.
"The periderm is much tougher in this area, so it won't deteriorate as fast from dog urine, " he said.
18.
Many species within the genus, including " flanaganii ", have photosynthetic modified stems that lack, or have delayed development of, periderm.
19.
In more severe cases, " H . solani " causes weight loss in potatoes and creates lesions in the periderm, creating entry points for other tuber pathogens.
20.
Sporulation occurs in endosperm tissue until the entire kernel is converted into a sorus consisting of a dark brown to black mass of teliospores covered by a modified periderm, which is thin and papery.
