Abstract:
:To verify the quality of triploid varieties of Camellia tea species at the secondary metabolite level, we tested caffeine and catechin profiles of 97 F(1) segregating progenies in two breeding populations with a common tetraploid parent and diploid parents of two geographic and varietal origins. Catechin and caffeine levels of the triploid progenies were quantified and compared against their diploid parent. Some of the progenies showed better performance than their diploid parent. Most of the progenies of the diploid C. sinensis × tetraploid cross showed heterosis for caffeine and EGCG. Progenies of the C. assamica subsp. lasiocalyx × tetraploid cross showed heterosis for +C, EC, EGC, and TC. The genomic contributions of the diploid parent seem to be the main factor in the variation between the two populations. Our studies showed quantitative enhancement of some of the quality-related parameters in tea, providing a platform to refocus on this classical breeding approach for developing quality cultivars in tea.
journal_name
Biochem Genetjournal_title
Biochemical geneticsauthors
Das SK,Sabhapondit S,Ahmed G,Das Sdoi
10.1007/s10528-013-9569-xsubject
Has Abstractpub_date
2013-06-01 00:00:00pages
358-76issue
5-6eissn
0006-2928issn
1573-4927journal_volume
51pub_type
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