Today’s column continues the theme of plant viruses introduced in this column last week. A virus can reduce a plant’s growth, lower its yield and result in inferior fruit, vegetables and flowers.

Tomato plants wilt for many reasons—like lack of water or insects—so quick diagnosis is key to saving your garden. Most causes like fungal wilt, viruses, and black walnut toxicity have no cure, so ...

Twisted or curled leaves on tomato plants can be caused by environmental stress, chemical exposure, or biological factors. While curling leaves do not necessarily kill the plant, determining the cause ...

How tomato plants defend themselves against a devastating ‘young’ Southern African virus has now been investigated at a molecular genetics level for the first time by researchers at the University of ...

When you're growing your tomato plants during the summer, you might notice some with curling leaves. Here's why that happens and how to stop it.

Most gardeners are aware of plant diseases that can wreak havoc in their gardens. If you grow fruit trees, you may be confronted with curled, reddened peach leaves (peach leaf curl fungus). If you ...