Distinguish Nutrient Deficiency from DiseaseNitrogen - Yellow or pale green old leaves, purple underside of leaves;Iron - ...

Septoria leaf spots begin as small dark spots that have a yellow area ... Plastic or organic mulches may help to lower humidity in the plant canopy and reduce infection. Fungicide treatments are ...

Septoria lesions, which are first evident in the autumn on the older leaves, are brown leaf spots containing very ... the T0 spray acts as a holding treatment and buys some time if there are ...

Septoria leaf spot and early blight ... thus reducing the need for chemical treatments. Reducing the spread starts at planting. Because the diseases favor damp foliage, the goal is to help ...

Tillamook County A: This looks like it could be septoria leaf spot, a fungal disease ... also be a tool to use if it is widespread. Use spot treatments and avoid broadcast spraying where you ...

“It was a little surprising,” Babadoost said of the higher incidence of septoria leaf spot in 2024 ... help or if grafted tomatoes or steam treatment could be effective in the future.

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 ...

Light leaf spot, like septoria in wheat ... There is no threshold for treatment of light leaf spot – the general advice is to spray as soon as you see symptoms, to protect newly-expanding ...

Lately, though, erratic weather, increasing diseases such as early blight and septoria leaf spot, and even the arrival of the pesky stink bug (a fan of ripening tomatoes) have made growing a ...

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 ...

The plants were supposed to be disease resistant. — Herman, Indianapolis Dear Reader: The problem is Septoria leaf spot, which is always present to some degree, but during wet weather it really ...