Description
Description
Cox citrandarin (Citrus reticulata x trifoliata) is an Australian hybrid between a Scarlet mandarin x trifoliata. Scarlet is an edible mandarin that was grown commercially for many decades in Australia. It was bred in NSW by J Cox as part of a breeding program conducted from the late 1950s through to the late 1970s to find better rootstocks for lemons and mandarins (as trifoliata has incompatibility problems with some lemons, such as Eureka). Cox
was first released to Australian Citrus industry in 1995 for use as a rootstock for Eureka lemon.
As a rootstock, Cox is resistant to Citrus nematodes, and Phytophthora root and collar rots. It has some benching problems when grown with mandarins. It is likely to be cold hardy to approximately -15 degrees Celsius if grown on its own roots, so would be a good option for cold hardy Citrus fruit in New Zealand.
There are no taste reports for Cox citrandarin, but given that citrandarins (mandarin x trifoliata) are known to be amongst the most edible F1 trifoliata hybrids, and that the female parent was a sweet mandarin – it might be better than the taste of Furr C-57 – see taste report here: Furr C-57 Citrandarin (Citrus reticulata x trifoliata)
Cox citrandarin seeds are highly polyembryonic, so almost all seedlings will be the exact Cox citrandarin variety, with few off-types. See our article on Nucellar embryony for further explanation.
Seeds per packet: 20
Germination Instructions
Upon receipt of these Citrus seeds, either
- Soak them in water for a few days until they swell. After soaking for a few days (with a few water changes), plant the seeds directly into a seed raising mix, and keep warm, and they will sprout after 2-3 weeks.
- Direct sow into seed raising mix, misting regularly for about a week to ensure the seeds are well hydrated. Keep warm, and they will sprout after 2-3 weeks.
These seeds were treated with Thiram fungicide (bright green) before export, so make sure to wash your hands after touching them.
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