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荔枝隔年结实是我省当前生产上存在的实际问题,为了探索这一现象产生的内在原因,作者于1981—1984年研究了“糯米糍”荔枝在花芽分化期间内源激素的变化。一、花芽分化期间内源激素的含量自1980年以来,我们对东莞县果树研究所的70—80年生“糯米糍”荔枝树进行了研究。秋梢老熟后至3月下旬开花前,每隔25—30天,对大年、小年树分别采样,进行内源激素的定量分析,结果简述如下。 (一)细胞分裂素(BA):大年树枝梢顶
In order to explore the inherent causes of this phenomenon, the author studied the changes of endogenous hormones of litchi during the flower bud differentiation from 1981 to 1984. First, the endogenous hormone content during flower bud differentiation Since 1980, we conducted a study on the 70-80 years old “Glutinous Rice” litchi tree in Dongguan Fruit Tree Research Institute. Before the autumn tip of mature to flowering in late March before, every 25-30 days, the annual, small tree were sampled, quantitative analysis of endogenous hormones, the results are summarized as follows. (A) cytokinin (BA): perennial shoots top