Relationship between Root and Canopy Apparent Photosynthetic Rate in Rice
Author(s): ZHAO Quan-zhi, XIONG Shu-ping, U Qiang, GAO Tong-mei, YIN Chun-yuan, NING Hui-feng
Pages: 127-130
Year: 2005 Issue: 2
Journal: JOURNAL OF HENAN AGRICULTURAL UNIVERSITY
Keyword: 水稻; 根系; 群体光合速率;
Abstract: 利用水培试验,研究了剪根等处理后水稻群体光合速率的动态变化.结果表明,剪上层根使子粒灌浆盛期的群体光合速率下降24.41%～33.26%,单株产量降低22.17%.说明在经济产量形成期,上层根对群体光合速率的影响最大.
Pages: 127-130
Year: 2005 Issue: 2
Journal: JOURNAL OF HENAN AGRICULTURAL UNIVERSITY
Keyword: 水稻; 根系; 群体光合速率;
Abstract: 利用水培试验,研究了剪根等处理后水稻群体光合速率的动态变化.结果表明,剪上层根使子粒灌浆盛期的群体光合速率下降24.41%～33.26%,单株产量降低22.17%.说明在经济产量形成期,上层根对群体光合速率的影响最大.
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