Volume 46 Number 3 Article 6
Year 1992 Month 7
Title: An Autotetraploid of the Key Lime, Citrus aurantifolia
Author: H.C. Barrett
Abstract:
The origin of an autotetraploid plant of Key
Lime, Citrus aurantifolia (Christm.) Swing, is
recorded.
Some of the phenotypic effects of
autotetraploidy are described.
The discovery of
this autotetraploid occurred as a result of re
search to obtain tetraploid forms of Citrus that
could be used as potential parents in crosses
with diploid forms to produce triploid seedless
cultivars.
The fruit of tie autotetraploid is more
than twice as large as comparably grown diploid
Key Lime fruit and is a useful improvement
over the original diploid form.
Container-grown
plants of the autotetraploid are attractive orna
mentals that produce fruit year-round with true
Key Lime flavor and aroma.
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