Yes, but Early Golden is an old selection of Diospyros Virginiana. I used it because there is an abundance of literature documenting ability to produce male flowers and fruit on the same tree. I could make a long argument that persimmon sits in a unique position in the plant kingdom because it is normally either male or female, however, chromosome doubling changed the paradigm making some plants capable of both male and female reproductive structures.
I used the phrase “Parthenocarpic is reproduction without fertilization” above. Not to cause confusion, but lack of seed means nothing actually comes from the fruit in terms of offspring. Persimmon is a “fruit” meaning the ovule is the edible product of the plant. The ovule is maternal reproductive tissue. Parthenocarpy is well known in many other fruiting plants including tomato. It has been characterized from about half a dozen different genes though the way it works in persimmon has not to my knowledge been documented.
There are cases where a form of parthenocarpy results in viable seed. Citrus is well known for the ability to produce nucellar embyros in seed.
Actually I’m well-versed in the definition of parthenocarpy, but I’m trying to communicate with folks here who don’t know what it is and won’t bother to look it up – but have tremendous experiential knowledge with the morphology of hybrid persimmons, and/or are familiar with how nurseries label them (e.g. self-fertile).
I knew you were Richard. I posted because it was ambiguous and wanted to ensure others understand why you have a column for “Sex” and another for “Parthenocarpic”.
I’ve been avoiding using two words but they are relevant to this discussion. “Hermaphrodite” and “Gynandrous” mean nearly the same thing. An earthworm is a hermaphrodite having both male and female reproductive organs as a normal state. Gynandrous means nearly the same thing where it can refer to the condition where both male and female reproductive organs are present. This may or may not be typical of a given species. Since persimmon is normally either male or female but is also capable of being gynandrous we could use the word in place of “both” in your worksheet. Thoughts?
If you want to go down a rathole, look up arrhenotokus parthenocarpy. It is the way honeybees reproduce.
Rossey is the male but when writing: female is always written first.
(f) pistillate flowers x (m) staminite flowers
I probably should not have changed Cliff’s way, but, it’s backwards. Edit all is correct in England Orchard and Nursery Catalogue the way documentation is written i.e.
Pistillate (F) x Staminite M) for all hybridizations. This edit is for a comment both below and above regarding Thor(staminite) not (pistillate) during Donald Compton hybrids.
I edited above to show my mistake that Donald Compton’s work is using Thor for a male (must be his own creation of a staminite clone) and that he bred Thor x Rosseyanka.
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