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The genus Adenium has been held to contain as many as twelve species. These are considered by other authors to be subspecies or varieties. A late-20th-century classification by Plazier recognizes five species. [5] Species [3] Adenium arabicum Balf.f. = Adenium obesum; Adenium boehmianum Schinz - (Namibia, Angola) Adenium multiflorum Klotzsch.
It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...
In addition to the mentioned seed pretreatments, seed germination is also assisted when a disease-free soil is used. Especially when trying to germinate difficult seed (e.g. certain tropical fruit), prior treatment of the soil (along with the usage of the most suitable soil; e.g. potting soil, prepared soil or other substrates) is vital.
Seeds from flowers and vegetables are the easiest to save. Since this is Seed Saving 101, let’s start there. Seed saving 101: Tips for keeping the best from your garden
Seed enhancement is a range of treatments of seeds that improves their performance after harvesting and conditioned, but before they are sown. They include priming, steeping, hardening, pregermination, pelleting, encrusting, film-coating, tagging and others, but excludes treatments for control of seed born pathogens .
Flowers of Adenium obesum in West Bengal, India. Adenium obesum is a popular houseplant and bonsai [9] in temperate regions. It requires a sunny location and a minimum indoor temperature in winter of 10 °C (50 °F). It thrives on a xeric watering regime as required by cacti. A. obesum is typically propagated by seed or stem cuttings. The ...
Norman C. Deno (February 15, 1921 – September 22, 2017) was an American chemist and plant scientist.He was a professor of chemistry at Penn State University and is known as one of the foremost researchers in seed germination theory.
A Film coating, a layer of thin film applied to the seed typically less than 10% of the mass of the original seed. Encrustment, where the applied material is typically 100%–500% of the original seed mass, but the shape is still discernible. Pellet, where the applied material is so thick that the seed's original shape is not discernible.