津丰1号小麦品种是目前我省推广的一过渡性品种,其丰产、适应性较好,只是每小穗只结两个粒,第三小花以上结粒极少。为此我们对其解剖结构进行了观察,并以泰山1号品种做对照,从中发现:①第3小花基部的维管束较第1、第2小花为少,这与以前的报导相同,只是泰山1号的第3朵小花的基部维管束较津丰1号大。②津丰1号第三小花的多数花粉粒在三个细胞期有大液泡存在,而正常的花粉粒是富含内溶物的。③ Jinfeng No. 1 wheat varieties is currently a transitional species to promote our province, its high yield, good adaptability, but only two spikelets per spike, the third floret above very few grain. To this end, we observed its anatomical structure and compared it with that of Taishan No.1. From the results we can find: ① The vascular bundles at the base of the third flower are less than the first and second florets, which is the same as the previous report, The third root of the first small flower on the 1st vascular bundle than Jinfeng 1 large. ② The most pollen grains of the third floret of Jinfeng No.1 had large vacuoles in three cell stages, while the normal pollen grains were rich in soluble material. ③