As can be seen from Table 4, the polymorphic bit slot save detected by the different populations of half maple load was 31 to 154, with an average of 104.41, and the polymorphic bit ratio (PPB) of 17 populations was distributed in the range of 20.00% to 99.35%, of which the pY population had the highest polymorphic point ratio of 99.35%. The polymorphic site ratio of ZN population is the lowest of 20.00%, the average polymorphic point percentage of the population is 67.36%, it can be seen that the percentage of polymorphic points between the population is large, the pY population's polymorphic point percentage is about 4.97 times the CT population, indicating that the LC population has a wide genetic base and better adaptability. Alleles (Na) and effective alleles (Ne) in different populations ranged from 1.2000 to 1.9935 and 1.2000 to 1.6915, respectively, with averages of 1.6736 and 1.4837, respectively. The various groups Nei's Genetic Diversity Index (H) and Shannon Information Index (I) diversity index ranged from 0.1000 to 0.3912 and 0.1386 to 0.5731, respectively, with averages of 0.2667 and 0.3898, respectively. Liancheng population (LC) in the southern wuyi Mountain Mountains showed the highest genetic diversity index (H.3912, I.5731, PPB s 99.35%), followed by the Sha County population (SX) in the middle of Wuyi Mountain (H-0.3684, I-0.5731, PPB-96.77%). The diversity indices of the remaining populations are in order of large to small: PY-WP, LA-SC-J-Rs-DY-D-Ql-NJ-SW-Ct-ZN. At the species level, semi-maple load showed a higher genetic diversity index (H.4564, I.6478, PPB, 100%).
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