Growing your own tomatoes at home can be challenging but ultimately rewarding. If you find that the leaves are turning yellow ...

The appearance of potato blight in August 1957 made possible an examination and comparison of the foliage of virus-free and leaf-roll infected plants.

Early Blight (Alternaria solani)- presents itself as dark, concentric circles ¼ to ½ inch on lower leaves and stems, spots on the fruit near stems and the lower leaves yellow and drop away.

Late blight is a fungal disease that affects potatoes and tomatoes, and can cause widespread crop destruction. The disease hasn’t yet been reported in Maine, but spores were detected across Aroostook ...

Late-blight spore counts dropped sharply over the past week and there are still no confirmed cases in Maine,” Extension scientists said.

You can recognise blight quite easily. Dark brown spots appear on the leaves often surrounded by a yellow halo. These quickly spread and cause the leaves and stems to rot.

Pest Background Cercospora leaf blight and purple seed stain are caused by the fungus Cercospora kikuchii. This is a widespread disease, but yield loss is rarely observed. Presence of Cercospora leaf ...

My potato plants are showing signs of blight, with some of the leaves starting to discolour and drop off. Is it too late to save them? I don’t really want to spray them unless it’s necessary.

With potatoes playing a crucial role in global food security, researchers worked on developing a method to enable early detection of late blight infections. This disease – a leading cause of potato ...