Articles
Litchi flowering gene expression under temperature effect
Article number
1293_17
Pages
121 – 124
Language
English
Abstract
The key factors of inducing Litchi chinensis flowering are efficient and continuous chilling temperature.
This study is to clear the relationship between chilling effects and flowering gene expression during inflorescence formation in Yu-Her-Pau litchi.
The potted litchi was placed under day/night temperature 20/15°C and 25/20°C in phytotron.
The leaves were sampled by 3-day interval for LcFT, LcFLC, LcAP1, LcAP2, and LcSOC1 gene analysis.
The results show Yu-Her-Pau litchi emerged visible inflorescence buds that under 20/15°C after 24 days, but no floral transition occurred in 25/20°C. Among the analyzing floral genes, the expression of LcFT upregulated by the chilling temperature accumulating, and has a positive relation to the chilling duration.
The results represent LcFT essentially involved in the litchi inflorescence initiation and the gene expression can reflect the floral transition of the bud in litchi.
This study is to clear the relationship between chilling effects and flowering gene expression during inflorescence formation in Yu-Her-Pau litchi.
The potted litchi was placed under day/night temperature 20/15°C and 25/20°C in phytotron.
The leaves were sampled by 3-day interval for LcFT, LcFLC, LcAP1, LcAP2, and LcSOC1 gene analysis.
The results show Yu-Her-Pau litchi emerged visible inflorescence buds that under 20/15°C after 24 days, but no floral transition occurred in 25/20°C. Among the analyzing floral genes, the expression of LcFT upregulated by the chilling temperature accumulating, and has a positive relation to the chilling duration.
The results represent LcFT essentially involved in the litchi inflorescence initiation and the gene expression can reflect the floral transition of the bud in litchi.
Authors
S.Y. Lin, T.W. Chiu, P.A. Chen
Keywords
FT gene, floral induction, chilling effects, whitish millet
Online Articles (37)