Though there can be several reasons for these spots, it is most likely a symptom of Marsonnina or Septoria leaf spot. Marsonnina and Septoria leaf spot are fungal diseases that usually infect ...

The most common are early blight caused by the fungus Alternaria solani, and Septoria blight or leaf spot, caused by Septoria lycopersici. Alternaria causes a brown to black leaf spot that expands in ...

BLIGHT of celery caused by Septoria spp. was first definitely recognized in England in 1906 and afterwards was reported to spread rapidly over the country 1. As early as 1910 it was known that the ...

Definitely toss it at the end of the season along with every last infected leaf piece you can find ... same family and also potential carriers of Septoria spores. 4.) Try picking off ...

Q: My black-eyed susans have black spots on the leaf ... spot," and it usually is at its worst in warm, humid weather (i.e. our typical August). It is a fungal disease -- most likely either ...

Warmer wet weather is seeing yield-sapping septoria leaf blotch start to spread through wheat fields, with the more susceptible varieties most at risk Sign in LATEST LATEST From last 24 hours ...

Don’t underestimate the importance of flag leaf wheat fungicides even though septoria pressure appears to be low, says Bill Clark, director of Broom’s Barn Research Centre. Septoria’s latent ...