![Tomato lovers will attest that homegrown always tastes best, even if they don't always win beauty contests.](https://secure.caes.uga.edu/news/multimedia/images/4462/TomatoesPP.jpg)
Ugly "Maters"
There are several tomato disorders that cause a variety of deformities in tomatoes. Most of these disorders are caused by environmental stresses, insects or certain plant diseases.