IAA、GA<sub>3</sub>和ABA对稻根负向光性和生长的影响

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2 籼稻和粳稻根负向光性生长过程 A: 粳稻品种日本晴种子根的负向光性生长过程; B: 籼稻品种扬稻6号种子根的负向光性生长过程。1: 照光0时刻, 2: 照光1 h, 3: 照光12 h, 4: 照光24 h, 5: 照光48 h, 6: 照光72 h。箭头表示单侧光照的方向, bar = 3 cm。
Fig. 2 Negative phototropism growth of japonicaindica hybrid rice A: Negative phototropism of Nipponbare japonica roots; B: Negative phototropism of Yangdao 6 indica roots. 1: illumination time 0; 2: 1 h; 3: 12 h; 4: 24 h; 5: 48 h; 6: 72 h. Arrows indicate the direction of unilateral illumination, bar = 3 cm.