Photo of the week: yellow spot

Yellow spot can appear on creeping bentgrass putting greens during hot and humid weather. The photo at right was taken on a Penncross creeping bentgrass nursery at a golf course in Yamaguchi prefecture in western Japan on September 25.

For more see:

- Yellow spot cyanobacterium - Video: Cyanobacteria, aka algae, on Tyee bentgrass - Video: Algae, blue green bacteria, cyanobacteria and yellow spot…