Dear colleagues
In most articles, sulfuric acid or GA3 were used to break the dormancy and improve germination of cactus (Opuntia) seeds. What other materials can be used to increase germination of cactus seeds?
Thank you Dr. Pegman
Does the soaking of cactus seeds in water, as compared with gibberellic acid and sulfuric acid, improves germination? If you have an article, thank you for sending me.
Opuntia equals Tacinga.
Chapter DIASPORES OF THE CAATINGA: A REVIEW
Dear Dr. Miri
Please have a look these papers.
Article Chemical Scarification and Ozone in Seed Dormancy Alleviatio...
Article Cactus seed germination: A review
Article Stimulation and Promotion of Germination in Opuntia ficus-indica Seeds
Best Wishes
Opuntia seeds imbibe water without disrupting the seed coat, therefore water soaking, although being an easy try, might not help by itself. I would try to remove a tiny fraction of the point of the seed (nail clipper might help) before puting them in a moistened substrate. You should also watch the temperature, it should not be too warm.
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