Herewith attached pictures of dragon stems which were effected by "white spots". The entire dragon fruit plants got this disease. Need advice. What is the treatment to be given? and how to avoid? and the cause of the disease? Kindly help me. -Ranjan
Cactus bug (Chelinidea vittiger) damage? I see this on my Prickly Pears frequently. http://s646.photobucket.com/albums/...tusPest-assassin-bugs-and-damage.jpg&newest=1