%0 Journal Article
%A Chen-Rui GU
%A Gui-Feng LIU
%A Hui-Xin GANG
%A Jing JIANG
%A Su CHEN
%A Yi-Di LI
%T Leaf Color and Growth Variation of Transgenic Gold Leaf Poplar
%D 2020
%R 10.7525/j.issn.1673-5102.2020.06.012
%J Bulletin of Botanical Research
%P 897-905
%V 40
%N 6
%X <p>The chlorophyll content of the <i>PaGLK</i> gene<i> Populus alba×P.berolinensis</i> inhibited expression line was significantly reduced， and the leaves showed yellow（named golden leaf silver poplar）. Using <i>PaGLK</i> transgenic <i>Populus alba×P.berolinensis</i>， its leaf color parameters and chlorophyll content were measured in time series， and its growth characteristics were analyzed. The results showed that <i>PaGLK</i> transgenic <i>Populus alba×P.berolinensis</i> changed the leaf color， and the chlorophyll content of the expressing lines was significantly lower than that of WT（<i>P</i>&lt;0.05）， and the leaf brightness was significantly higher than that of WT（<i>P</i>&lt;0.05）. During the growth and development period， the leaves showed dark yellow green. The daily growth height（GD） of seedling height in the Y2 fast-growing stage of the expressing lines was higher than that of the control lines， and the plant height at the seedling stage was not affected. The over-expressing transgenic <i>Populus alba×P.berolinensis</i> plants were significantly lower than the control plants in that year（<i>P</i>&lt;0.05）， and the average daily growth height（GD） of the seedling height in the fast-growing period was also 22.19% of that of the control plants. <i>PaGLK </i>inhibited expression strains have potential application value in urban landscaping.</p>
%U https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2020.06.012