摘要
以NRT1.7突变体(nrt1.7-3)和哥伦比亚野生型植株(col.0)为材料,研究NRT1.7基因对植株产量和氮素利用效率(NUE)的影响。结果表明:在花期、角果期nrt1.7-3突变体叶片SPAD值显著升高,出现滞绿现象;与幼嫩叶片相比,硝酸盐更多地累积在老叶中;nrt1.7-3植株在花期、收获期的生物量、产量和氮效率均显著下降。
The nrt1.7-3 mutant and wild-type (col 0) were used as materials to study the effects of NRT1.7 on plant yield and NUE of Arabidopsis. The results showed that, compared to wild-type, nrt1.7-3 mutant had increased leaf SPAD value and aggravated blade green in flowering and pod stage. Compared to the younger leaves, more nitrate was distributed in the old leaves. biomass, plant yield and nitrogen use efficiency of nrt1.7-3 mutant were significantly reduced in flowering and harvesting stages.
作者
余音
廖琼
吴智敏
宋海星
官春云
张振华
YU Yin;LIAO Qiong;WU Zhi-min;SONG Hai-xing;GUAN Chun-yun;ZHANG Zhen-hua(College of Resources and Environmental Sciences, Hunan Agricultural University, Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Changsha 410128, PRC;National Center of Oilseed Crops Improvement, Hunan Branch, Changsha 410128, PRC)
出处
《湖南农业科学》
2017年第3期1-4,共4页
Hunan Agricultural Sciences
基金
国家自然科学基金项目(31101596)
湖南省自然科学基金青年基金(2016JJ3069)
湖南省百人计划资助项目
湖南农大1515人才资助项目
湖南省研究生科研创新项目(CX2015B268)
