IAA、GA3和ABA对稻根负向光性和生长的影响
刘大同, 荆彦平, 史海翔, 钟婷婷, 王忠*

Impact of IAA, GA3, and ABA on Negative Root Phototropism and Root Growth of Rice
LIU Da-Tong, JING Yan-Ping, SHI Hai-Xiang, ZHONG Ting-Ting, WANG Zhong*
图6 10 #cod#x000b5;mol L -1 ABA处理对扬稻6号根尖发育的影响 A: 体视显微镜下拍摄的根尖特殊形态。1: 处理24 h; 2: 处理2 d; 3: 处理4 d; 4: 处理7 d。右栏为左栏图的局部放大, bar=1 mm。B: 对照和处理后根尖显微结构对比。1: 对照组根尖的树脂半薄切片纵切面; 2: 10 #cod#x000b5;mol L -1 ABA处理48 h后的根尖树脂半薄切片纵切面; 3, 4: 1, 2方框中根尖部位的放大; 5, 6, 7: 扫描电镜下观察的根尖表面形态, 其中5为对照组, 6、7为处理组。
Fig. 6 Impact of 10 #cod#x000b5;mol L -1 ABA on the development of Yangdao 6 root tips A: Map of shoot apex under stereo microscope. 1: 24 h of treatment; 2: 2 d of treatment; 3: 4 d of treatment; 4: 7 d of treatment. The right panel is a magnified diagram of the part of the left panel, bar = 1 mm. B: Microstructure comparison of root tip between control and treatment. 1: Root apical part longitudinal section of control group; 2: Longitudinal section of root apical part after 48 h of treatment by 10 #cod#x000b5;mol L -1 ABA; 3, 4 show the magnified in the square of 1and 2; 5, 6, 7 show the root tip surface under SEM, and 5 shows the control group, 6, 7 show the treatment group.