in this study brown algae, sargassum glaucescens and that found plenteously in persian gulf and bushehr coast, were collected and hot water extracts of them were lyophilized. f. indicus (11.32±1.20 g), after two weeks adaptation in shoghab research station dependent to iran shrimp research center, isrc, were immersed in seawater (39 ppt and 25±1 c○) containing hot-water extract of brown algae, ...

this paper deals with the study of a leaf spot disease observed on aloe vera leaves in various nurseries and botanical gardens during the routine surveys of two consecutive years of 2010 and 2011. the symptoms appeared in the form of circular to oval, brown to black, sunken spots on abaxial surface of leaves. the disease was observed only in january to february during the survey. colonieson pda...

SuBSr. ciiAR: Similar to A. cautlaeutKH neJfioni^ but bill very much more s]«Mi(li'r, back more liea\'ily marked with black, butl" of anterior and lateral uiulcr parts more creamy, and clie.st less distinctly' streaked. Adult (No. 120310, Mili)itas, Santa Clara County, California, May 6, 1S91; KoUo H. Beck): Pileum deep bistre-brown, darker, or mixed witU blackish laterally, and divided loiij,n...

In 1998, researchers at the University of Maryland discovered a new disease of creeping bentgrass caused by an unidentified species of Ophiosphaerella. Through morphological and molecular study, it was shown that the pathogen constituted a new species, Ophiosphaerella agrostis, and the disease was named bentgrass dead spot. Subsequently, O. agrostis was found in Texas and Florida causing dead s...