Unfortunately, tomato plants can be susceptible to a fair few diseases, a number of which can turn leaves yellow,' Morris explains. 'Some of the most common diseases that might turn your tomato ...

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

Many diseases ... tomato plants, try to not let foliage get wet during irrigation and space tomato plantings to allow for air circulation. Trim off and dispose of infected branches and leaves ...

Tomato plants can be susceptible to foliar leaf diseases. The key to preventing the disease is to help the plant stay as dry as possible. K-State Extension Ample rainfall this year has been a ...

Common tomato problems Blight When it comes to common diseases ... rain getting on the leaves and spreading the spores which causes the issue." Improving airflow for your plants may help to ...

Septoria (Septoria lycopersici)- presents as small black or brown spots on the lower leaves and the lower leaves yellow ... the disease. Refrain from planting the same family group plants ...

which can quickly devour the foliage on tomato plants. Evidence of fungal diseases, such as yellowing, browning, and withering leaves on the lower portion of the plant, will require the removal ...

Although yellowing tomato leaves is one problem ... which can be managed through insecticide oils and soaps. The Texas Plant Disease Diagnostic Laboratory can help with identification and ...

Brown patches and sickly leaves can mean pests and diseases. At this time of year ... To prevent blossom end rot and splitting, water your tomato plants regularly, he advises.

We have also had the perfect weather for a few tomato diseases to start ... and the leaves turn yellow and drop. The fungus overwinters on the leaves and plant debris so clean up is important.