George Theodoris
A dive into the fascinating world of Madagascar's enchanting succulent Euphorbs
Madagascar is known for its rich biodiversity and is home to a variety of unique succulent plants, including several species of Euphorbia. Many succulent euphorbs in Madagascar are threatened by habitat loss, overgrazing, and collection for the horticultural trade. Madagascar Euphorbs are part of the Euphorbia family, which is one of the largest and most diverse plant families in the world. The Euphorbia most people are familiar with is poinsettia, a popular ornamental plant that is native to Mexico and used as decoration during the holidays. I recently had lunch with an old friend who asked "What's up with the genus Euphorbia anyway?...
George Theodoris
Observations of leaf traits of Haworthia splendens and H. splendens hybrids
In this article I will discuss my observations of leaf traits in Haworthia splendens and progress on H. splendens hybrids from my breeding program.
George Theodoris
Plant enemy part 2: Aloe Mites - Satanic hydra
Early in 2022 I was shopping for trees for my backyard at a local garden store. While perusing the succulent section I saw an aloe plant with a gnarly flower gall. These galls, sometimes called Aloe cancer are caused by Aceria aloinis, more commonly known as aloe mite. These mites belong to the Eriophyid family of mites. I've seen mealie bugs, scale, spider mites but I have never seen an aloe mite. Since they are now capable of infecting Haworthia plants, which I grow, I felt I should see what they look like for myself. I returned to the garden center the following...
George Theodoris
Plant Tissue Culture - FAQ
We are happy to offer some of our favorite plants we propagated using tissue culture. I wanted to provide some background to answer questions about the process people might have: What is tissue culture? A method to propagate plants. How did you learn Plant Tissue Culture? I have a background in genetics and plant biology and previous work experience with plant TC. I was lucky to have as mentors two people who are pioneers in the field of plant TC. How does it work? Plant tissue containing merisitems (for more information about meristems see my previous blog) is sterilized to kill bacteria and fungi....
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