"If the soil dries out, the leaves will start to curl, go limp, or the margins get ... and neem oil can help control—but typically rid of entirely—pest populations.

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.

More information: Ayesha Badar et al, Microbiota transplantation for cotton leaf curl disease suppression—core microbiome and transcriptome dynamics, Communications Biology (2025). DOI: 10.1038 ...