图3 弱光胁迫对不同基因型玉米花粉表面超微结构和淀粉含量的影响 A、B、C和D分别表示豫玉22自然光照、豫玉22遮光处理、郑单958自然光照和郑单958遮光处理的花粉外观扫描结构×800; E、F、G和H分别表示豫玉22自然光照、豫玉22遮光处理、郑单958自然光照和郑单958遮光处理在透射电镜下的花粉淀粉粒数量, 标尺=5 μm。S为淀粉粒。 Fig. 3 Effects of low light stress on super-micro structure of pollen surface and starch grain number of two different maize genotypes A, B, C, and D represent the pollen super-micro structure of pollen surface of Yuyu 22 nature light treatment, Yuyu 22 shade treatment, Zhengdan 958 nature light treatment, and Zhengdan958 shade treatment, respectively, ×800. E, F, G, and H represent the pollen starch grain number of Yuyu 22 nature light treatment, Yuyu 22 shade treatment, Zhengdan 958 nature light treatment, and Zhengdan 958 shade treatment, respectively, bar = 5 μm. S: starch grain. |